{ "version": "2.2", "instance": { "nvl-20260331.htm": { "nsprefix": "nvl", "nsuri": "http://www.novelis.com/20260331", "dts": { "inline": { "local": [ "nvl-20260331.htm" ] }, "schema": { "local": [ "nvl-20260331.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/2023/calculation-1.1.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd", "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd", "https://xbrl.fasb.org/us-gaap/2025/elts/us-types-2025.xsd", "https://xbrl.sec.gov/country/2025/country-2025.xsd", "https://xbrl.sec.gov/cyd/2025/cyd-2025.xsd", "https://xbrl.sec.gov/cyd/2025/cyd-af-2025.xsd", "https://xbrl.sec.gov/cyd/2025/cyd-af-sub-2025.xsd", "https://xbrl.sec.gov/dei/2025/dei-2025.xsd", "https://xbrl.sec.gov/ecd/2025/ecd-2025.xsd", "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd" ] }, "calculationLink": { "local": [ "nvl-20260331_cal.xml" ] }, "definitionLink": { "local": [ "nvl-20260331_def.xml" ] }, "labelLink": { "local": [ "nvl-20260331_lab.xml" ] }, "presentationLink": { "local": [ "nvl-20260331_pre.xml" ] } }, "keyStandard": 592, "keyCustom": 120, "axisStandard": 42, "axisCustom": 1, "memberStandard": 95, "memberCustom": 75, "hidden": { "total": 27, "http://fasb.org/us-gaap/2025": 23, "http://xbrl.sec.gov/dei/2025": 4 }, "contextCount": 667, "entityCount": 1, "segmentCount": 182, "elementCount": 1213, "unitCount": 17, "baseTaxonomies": { "http://fasb.org/us-gaap/2025": 2546, "http://xbrl.sec.gov/dei/2025": 35, "http://xbrl.sec.gov/cyd/2025": 15, "http://xbrl.sec.gov/ecd/2025": 6 }, "report": { "R1": { "role": "http://www.novelis.com/role/DocumentandEntityInformation", "longName": "0000001 - Document - Document and Entity Information", "shortName": "Document and Entity Information", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R2": { "role": "http://www.novelis.com/role/AuditInformation", "longName": "0000002 - Document - Audit Information", "shortName": "Audit Information", "isDefault": "false", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "2", "firstAnchor": { "contextRef": "c-1", "name": "dei:AuditorName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:AuditorName", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R3": { "role": "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "longName": "9952151 - Statement - Consolidated Statements of Operations", "shortName": "Consolidated Statements of Operations", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "3", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ResearchAndDevelopmentExpense", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R4": { "role": "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss", "longName": "9952152 - Statement - Consolidated Statements of Comprehensive Income (Loss)", "shortName": "Consolidated Statements of Comprehensive Income (Loss)", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "4", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ProfitLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R5": { "role": "http://www.novelis.com/role/ConsolidatedBalanceSheets", "longName": "9952153 - Statement - Consolidated Balance Sheets", "shortName": "Consolidated Balance Sheets", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "5", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DeferredTaxAndOtherLiabilitiesNoncurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R6": { "role": "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "longName": "9952154 - Statement - Consolidated Balance Sheets (Parenthetical)", "shortName": "Consolidated Balance Sheets (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "6", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ActivityInAllowanceForDoubtfulAccountsTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CommonStockSharesAuthorizedUnlimited", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:CommonStockSharesAuthorizedUnlimited", "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R7": { "role": "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "longName": "9952155 - Statement - Consolidated Statements of Cash Flows", "shortName": "Consolidated Statements of Cash Flows", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "7", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ProfitLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:UnrealizedGainLossOnInvestments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R8": { "role": "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "longName": "9952156 - Statement - Consolidated Statement of Shareholder's Equity", "shortName": "Consolidated Statement of Shareholder's Equity", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "8", "firstAnchor": { "contextRef": "c-14", "name": "us-gaap:SharesIssued", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-14", "name": "us-gaap:SharesIssued", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R9": { "role": "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical", "longName": "9952157 - Statement - Consolidated Statement of Shareholder's Equity (Parenthetical)", "shortName": "Consolidated Statement of Shareholder's Equity (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "9", "firstAnchor": { "contextRef": "c-37", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-37", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R10": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPolicies", "longName": "9952158 - Disclosure - Business and Summary of Significant Accounting Policies", "shortName": "Business and Summary of Significant Accounting Policies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R11": { "role": "http://www.novelis.com/role/RestructuringandImpairment", "longName": "9952159 - Disclosure - Restructuring and Impairment", "shortName": "Restructuring and Impairment", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R12": { "role": "http://www.novelis.com/role/AccountsReceivable", "longName": "9952160 - Disclosure - Accounts Receivable", "shortName": "Accounts Receivable", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "12", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AccountsAndNontradeReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:AccountsAndNontradeReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R13": { "role": "http://www.novelis.com/role/Inventories", "longName": "9952161 - Disclosure - Inventories", "shortName": "Inventories", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "13", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:InventoryDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:InventoryDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R14": { "role": "http://www.novelis.com/role/PropertyPlantandEquipment", "longName": "9952162 - Disclosure - Property, Plant and Equipment", "shortName": "Property, Plant and Equipment", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "14", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R15": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssets", "longName": "9952163 - Disclosure - Goodwill and Intangible Assets", "shortName": "Goodwill and Intangible Assets", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "15", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R16": { "role": "http://www.novelis.com/role/Consolidation", "longName": "9952164 - Disclosure - Consolidation", "shortName": "Consolidation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "16", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:VariableInterestEntityDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:VariableInterestEntityDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R17": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactions", "longName": "9952165 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "17", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R18": { "role": "http://www.novelis.com/role/Leases", "longName": "9952166 - Disclosure - Leases", "shortName": "Leases", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "18", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:LesseeFinanceLeasesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R19": { "role": "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilities", "longName": "9952167 - Disclosure - Accrued Expenses and Other Current Liabilities", "shortName": "Accrued Expenses and Other Current Liabilities", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "19", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R20": { "role": "http://www.novelis.com/role/Debt", "longName": "9952168 - Disclosure - Debt", "shortName": "Debt", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "20", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DebtDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DebtDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R21": { "role": "http://www.novelis.com/role/ShareBasedCompensation", "longName": "9952169 - Disclosure - Share-Based Compensation", "shortName": "Share-Based Compensation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "21", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R22": { "role": "http://www.novelis.com/role/PostretirementBenefitPlans", "longName": "9952170 - Disclosure - Postretirement Benefit Plans", "shortName": "Postretirement Benefit Plans", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "22", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R23": { "role": "http://www.novelis.com/role/CurrencyLossesGains", "longName": "9952171 - Disclosure - Currency Losses (Gains)", "shortName": "Currency Losses (Gains)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "23", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ForeignCurrencyDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ForeignCurrencyDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R24": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContracts", "longName": "9952172 - Disclosure - Financial Instruments and Commodity Contracts", "shortName": "Financial Instruments and Commodity Contracts", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "24", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancialInstrumentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:FinancialInstrumentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R25": { "role": "http://www.novelis.com/role/AccumulatedOtherComprehensiveLoss", "longName": "9952173 - Disclosure - Accumulated Other Comprehensive Loss", "shortName": "Accumulated Other Comprehensive Loss", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "25", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ComprehensiveIncomeNoteTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ComprehensiveIncomeNoteTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R26": { "role": "http://www.novelis.com/role/FairValueMeasurements", "longName": "9952174 - Disclosure - Fair Value Measurements", "shortName": "Fair Value Measurements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "26", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R27": { "role": "http://www.novelis.com/role/OtherExpenseIncome", "longName": "9952175 - Disclosure - Other Expense (Income)", "shortName": "Other Expense (Income)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "27", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R28": { "role": "http://www.novelis.com/role/IncomeTaxes", "longName": "9952176 - Disclosure - Income Taxes", "shortName": "Income Taxes", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "28", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R29": { "role": "http://www.novelis.com/role/CommitmentsandContingencies", "longName": "9952177 - Disclosure - Commitments and Contingencies", "shortName": "Commitments and Contingencies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "29", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R30": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation", "longName": "9952178 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "30", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SegmentReportingDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R31": { "role": "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "longName": "995445 - Disclosure - Insider Trading Arrangements", "shortName": "Insider Trading Arrangements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "31", "firstAnchor": { "contextRef": "c-558", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-558", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R32": { "role": "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc", "longName": "995447 - Disclosure - Insider Trading Policies and Procedures", "shortName": "Insider Trading Policies and Procedures", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "32", "firstAnchor": { "contextRef": "c-1", "name": "ecd:InsiderTrdPoliciesProcAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ecd:InsiderTrdPoliciesProcNotAdoptedTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "ecd:InsiderTrdPoliciesProcAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "ecd:InsiderTrdPoliciesProcNotAdoptedTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R33": { "role": "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure", "longName": "995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure", "shortName": "Cybersecurity Risk Management and Strategy Disclosure", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "33", "firstAnchor": { "contextRef": "c-1", "name": "cyd:CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "cyd:CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R34": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies", "longName": "9955511 - Disclosure - Business and Summary of Significant Accounting Policies (Policies)", "shortName": "Business and Summary of Significant Accounting Policies (Policies)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "policies", "menuCat": "Policies", "order": "34", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ConsolidationPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ConsolidationPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R35": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesTables", "longName": "9955512 - Disclosure - Business and Summary of Significant Accounting Policies (Tables)", "shortName": "Business and Summary of Significant Accounting Policies (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "35", "firstAnchor": { "contextRef": "c-1", "name": "nvl:RangeOfEstimatedUsefulLivesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:RangeOfEstimatedUsefulLivesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R36": { "role": "http://www.novelis.com/role/RestructuringandImpairmentTables", "longName": "9955513 - Disclosure - Restructuring and Impairment (Tables)", "shortName": "Restructuring and Impairment (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "36", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R37": { "role": "http://www.novelis.com/role/AccountsReceivableTables", "longName": "9955514 - Disclosure - Accounts Receivable (Tables)", "shortName": "Accounts Receivable (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "37", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R38": { "role": "http://www.novelis.com/role/InventoriesTables", "longName": "9955515 - Disclosure - Inventories (Tables)", "shortName": "Inventories (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "38", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:InventoryDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:InventoryDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R39": { "role": "http://www.novelis.com/role/PropertyPlantandEquipmentTables", "longName": "9955516 - Disclosure - Property, Plant and Equipment (Tables)", "shortName": "Property, Plant and Equipment (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "39", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R40": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssetsTables", "longName": "9955517 - Disclosure - Goodwill and Intangible Assets (Tables)", "shortName": "Goodwill and Intangible Assets (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "40", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfGoodwillTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R41": { "role": "http://www.novelis.com/role/ConsolidationTables", "longName": "9955518 - Disclosure - Consolidation (Tables)", "shortName": "Consolidation (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "41", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:VariableInterestEntityDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfVariableInterestEntitiesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:VariableInterestEntityDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R42": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsTables", "longName": "9955519 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions (Tables)", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "42", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R43": { "role": "http://www.novelis.com/role/LeasesTables", "longName": "9955520 - Disclosure - Leases (Tables)", "shortName": "Leases (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "43", "firstAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:LesseeOperatingLeasesTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:LesseeOperatingLeasesTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R44": { "role": "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables", "longName": "9955521 - Disclosure - Accrued Expenses and Other Current Liabilities (Tables)", "shortName": "Accrued Expenses and Other Current Liabilities (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "44", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R45": { "role": "http://www.novelis.com/role/DebtTables", "longName": "9955522 - Disclosure - Debt (Tables)", "shortName": "Debt (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "45", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R46": { "role": "http://www.novelis.com/role/ShareBasedCompensationTables", "longName": "9955523 - Disclosure - Share-Based Compensation (Tables)", "shortName": "Share-Based Compensation (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "46", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R47": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansTables", "longName": "9955524 - Disclosure - Postretirement Benefit Plans (Tables)", "shortName": "Postretirement Benefit Plans (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "47", "firstAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R48": { "role": "http://www.novelis.com/role/CurrencyLossesGainsTables", "longName": "9955525 - Disclosure - Currency Losses (Gains) (Tables)", "shortName": "Currency Losses (Gains) (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "48", "firstAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:ForeignCurrencyDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:ForeignCurrencyDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R49": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsTables", "longName": "9955526 - Disclosure - Financial Instruments and Commodity Contracts (Tables)", "shortName": "Financial Instruments and Commodity Contracts (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "49", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:FinancialInstrumentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:FinancialInstrumentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R50": { "role": "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossTables", "longName": "9955527 - Disclosure - Accumulated Other Comprehensive Loss (Tables)", "shortName": "Accumulated Other Comprehensive Loss (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "50", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:ComprehensiveIncomeNoteTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:ComprehensiveIncomeNoteTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R51": { "role": "http://www.novelis.com/role/FairValueMeasurementsTables", "longName": "9955528 - Disclosure - Fair Value Measurements (Tables)", "shortName": "Fair Value Measurements (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "51", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R52": { "role": "http://www.novelis.com/role/OtherExpenseIncomeTables", "longName": "9955529 - Disclosure - Other Expense (Income) (Tables)", "shortName": "Other Expense (Income) (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "52", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R53": { "role": "http://www.novelis.com/role/IncomeTaxesTables", "longName": "9955530 - Disclosure - Income Taxes (Tables)", "shortName": "Income Taxes (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "53", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R54": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables", "longName": "9955531 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Tables)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "54", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R55": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "longName": "9955532 - Disclosure - Business and Summary of Significant Accounting Policies - Additional Information (Details)", "shortName": "Business and Summary of Significant Accounting Policies - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "55", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:NumberOfCountriesInWhichEntityOperates", "unitRef": "country", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "nvl:NumberOfContinentsInWhichEntityOperates", "unitRef": "continent", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "us-gaap:BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R56": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "longName": "9955533 - Disclosure - Business and Summary of Significant Accounting Policies - Schedule of Useful Life (Details)", "shortName": "Business and Summary of Significant Accounting Policies - Schedule of Useful Life (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "56", "firstAnchor": { "contextRef": "c-46", "name": "us-gaap:PropertyPlantAndEquipmentUsefulLife", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "td", "tr", "table", "div", "nvl:RangeOfEstimatedUsefulLivesTableTextBlock", "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-46", "name": "us-gaap:PropertyPlantAndEquipmentUsefulLife", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "td", "tr", "table", "div", "nvl:RangeOfEstimatedUsefulLivesTableTextBlock", "us-gaap:PropertyPlantAndEquipmentPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R57": { "role": "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails", "longName": "9955534 - Disclosure - Business and Summary of Significant Accounting Policies - Supplier Finance Programs (Details)", "shortName": "Business and Summary of Significant Accounting Policies - Supplier Finance Programs (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "57", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:SupplierFinanceProgramObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:SupplierFinanceProgramTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SupplierFinanceProgramObligationIncrease", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:SupplierFinanceProgramTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R58": { "role": "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "longName": "9955535 - Disclosure - Restructuring and Impairment - Additional Information (Details)", "shortName": "Restructuring and Impairment - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "58", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RestructuringCostsAndAssetImpairmentCharges", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-144", "name": "us-gaap:RestructuringCosts", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R59": { "role": "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "longName": "9955536 - Disclosure - Restructuring and Impairment - Restructuring Liability (Details)", "shortName": "Restructuring and Impairment - Restructuring Liability (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "59", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:RestructuringReserve", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:RestructuringReserveTranslationAndOtherAdjustment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R60": { "role": "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "longName": "9955537 - Disclosure - Restructuring and Impairment - Restructuring Liability, 2025 Efficiency Plan (Details)", "shortName": "Restructuring and Impairment - Restructuring Liability, 2025 Efficiency Plan (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "60", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RestructuringReserveAcceleratedDepreciation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-111", "name": "us-gaap:SeveranceCosts1", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R61": { "role": "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "longName": "9955538 - Disclosure - Restructuring and Impairment - Employee Related Liability (Details)", "shortName": "Restructuring and Impairment - Employee Related Liability (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "61", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:RestructuringReserve", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-135", "name": "us-gaap:PaymentsForRestructuring", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R62": { "role": "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "longName": "9955539 - Disclosure - Accounts Receivable - Schedule of accounts receivable (Details)", "shortName": "Accounts Receivable - Schedule of accounts receivable (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "62", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ActivityInAllowanceForDoubtfulAccountsTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-8", "name": "us-gaap:AccountsReceivableFairValueDisclosure", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R63": { "role": "http://www.novelis.com/role/AccountsReceivableAdditionalInformationDetails", "longName": "9955540 - Disclosure - Accounts Receivable - Additional Information (Details)", "shortName": "Accounts Receivable - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "63", "firstAnchor": { "contextRef": "c-6", "name": "nvl:AllowanceAsPercentageOfGrossAccountsReceivable", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "4", "ancestors": [ "span", "div", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "nvl:AllowanceAsPercentageOfGrossAccountsReceivable", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "4", "ancestors": [ "span", "div", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R64": { "role": "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails", "longName": "9955541 - Disclosure - Accounts Receivable - Allowance for Doubtful Accounts Activity (Details)", "shortName": "Accounts Receivable - Allowance for Doubtful Accounts Activity (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "64", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ActivityInAllowanceForDoubtfulAccountsTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ProvisionForDoubtfulAccounts", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ActivityInAllowanceForDoubtfulAccountsTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R65": { "role": "http://www.novelis.com/role/AccountsReceivableFactoringActivitiesDetails", "longName": "9955542 - Disclosure - Accounts Receivable - Factoring Activities (Details)", "shortName": "Accounts Receivable - Factoring Activities (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "65", "firstAnchor": { "contextRef": "c-1", "name": "nvl:FactoringExpense", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:SummaryOfAmountsRelatedToForfaitingAndFactoringActivitiesTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:FactoringExpense", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:SummaryOfAmountsRelatedToForfaitingAndFactoringActivitiesTableTextBlock", "us-gaap:AccountsAndNontradeReceivableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R66": { "role": "http://www.novelis.com/role/InventoriesDetails", "longName": "9955543 - Disclosure - Inventories (Details)", "shortName": "Inventories (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "66", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:InventoryFinishedGoods", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "us-gaap:InventoryDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:InventoryFinishedGoods", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfInventoryCurrentTableTextBlock", "us-gaap:InventoryDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R67": { "role": "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails", "longName": "9955544 - Disclosure - Property, Plant and Equipment - Schedule of Property and Equipment (Details)", "shortName": "Property, Plant and Equipment - Schedule of Property and Equipment (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "67", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:Land", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:PropertyPlantAndEquipmentTextBlock", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:Land", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:PropertyPlantAndEquipmentTextBlock", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R68": { "role": "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "longName": "9955545 - Disclosure - Property, Plant and Equipment - Additional Information (Details)", "shortName": "Property, Plant and Equipment - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "68", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:FinanceLeaseRightOfUseAsset", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "ix:continuation", "span", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:InterestCostsCapitalized", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R69": { "role": "http://www.novelis.com/role/PropertyPlantandEquipmentDepreciationExpenseDetails", "longName": "9955546 - Disclosure - Property, Plant and Equipment - Depreciation Expense (Details)", "shortName": "Property, Plant and Equipment - Depreciation Expense (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "69", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:Depreciation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfDepreciationExpenseTableTextBlock", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:Depreciation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfDepreciationExpenseTableTextBlock", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R70": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "longName": "9955547 - Disclosure - Goodwill and Intangible Assets - Schedule of Goodwill (Details)", "shortName": "Goodwill and Intangible Assets - Schedule of Goodwill (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "70", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:Goodwill", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:GoodwillForeignCurrencyTranslationGainLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfGoodwillTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R71": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails", "longName": "9955548 - Disclosure - Goodwill and Intangible Assets - Schedule of Intangible Assets (Details)", "shortName": "Goodwill and Intangible Assets - Schedule of Intangible Assets (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "71", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:IntangibleAssetsDisclosureTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:FiniteLivedIntangibleAssetsGross", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:IntangibleAssetsDisclosureTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R72": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofAmortizationofIntangiblesDetails", "longName": "9955549 - Disclosure - Goodwill and Intangible Assets - Schedule of Amortization of Intangibles (Details)", "shortName": "Goodwill and Intangible Assets - Schedule of Amortization of Intangibles (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "72", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AmortizationOfIntangibleAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:IntangibleAssetAmortizationExpenseTableTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:AmortizationOfIntangibleAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:IntangibleAssetAmortizationExpenseTableTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R73": { "role": "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails", "longName": "9955550 - Disclosure - Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details)", "shortName": "Goodwill and Intangible Assets - Schedule of Future Amortization Expense (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "73", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R74": { "role": "http://www.novelis.com/role/ConsolidationDetails", "longName": "9955551 - Disclosure - Consolidation (Details)", "shortName": "Consolidation (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "74", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:VariableInterestEntityOwnershipPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "1", "ancestors": [ "span", "div", "us-gaap:VariableInterestEntityDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:VariableInterestEntityOwnershipPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "1", "ancestors": [ "span", "div", "us-gaap:VariableInterestEntityDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R75": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "longName": "9955552 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Additional Information (Details)", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "75", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-190", "name": "us-gaap:AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R76": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "longName": "9955553 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Assets, Liabilities and Equity of Equity Method Affiliates (Details)", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Assets, Liabilities and Equity of Equity Method Affiliates (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "76", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:AssetsCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-182", "name": "us-gaap:AssetsCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "us-gaap:EquityMethodInvestmentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R77": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails", "longName": "9955554 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Results of Operations of Equity Method Affiliates (Details)", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Results of Operations of Equity Method Affiliates (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "77", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:PurchaseOfTollingServices", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R78": { "role": "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails", "longName": "9955555 - Disclosure - Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Period-end Account Balances with Non-consolidated Affiliates (Details)", "shortName": "Investment in and Advances to Non-Consolidated Affiliates and Related Party Transactions - Period-end Account Balances with Non-consolidated Affiliates (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "78", "firstAnchor": { "contextRef": "c-10", "name": "us-gaap:AccountsAndOtherReceivablesNetCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": null }, "R79": { "role": "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails", "longName": "9955556 - Disclosure - Leases - Schedule of Assets and Liabilities related to Leases (Details)", "shortName": "Leases - Schedule of Assets and Liabilities related to Leases (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "79", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:OperatingLeaseRightOfUseAsset", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock", "us-gaap:LesseeOperatingLeasesTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OperatingLeaseRightOfUseAsset", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock", "us-gaap:LesseeOperatingLeasesTextBlock", "us-gaap:LesseeFinanceLeasesTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R80": { "role": "http://www.novelis.com/role/LeasesAdditionalInformationDetails", "longName": "9955557 - Disclosure - Leases - Additional Information (Details)", "shortName": "Leases - Additional Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "80", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:FinanceLeaseInterestPaymentOnLiability", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R81": { "role": "http://www.novelis.com/role/LeasesLeasecostDetails", "longName": "9955558 - Disclosure - Leases - Lease cost (Details)", "shortName": "Leases - Lease cost (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "81", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingLeaseCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingLeaseCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LeaseCostTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R82": { "role": "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails", "longName": "9955559 - Disclosure - Leases - Future Minimum Lease Payments (Details)", "shortName": "Leases - Future Minimum Lease Payments (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "82", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R83": { "role": "http://www.novelis.com/role/LeasesScheduleofLeaseInformationDetails", "longName": "9955560 - Disclosure - Leases - Schedule of Lease Information (Details)", "shortName": "Leases - Schedule of Lease Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "83", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfLeaseInformationTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfLeaseInformationTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R84": { "role": "http://www.novelis.com/role/LeasesSupplementalCashflowInformationDetails", "longName": "9955561 - Disclosure - Leases - Supplemental Cashflow Information (Details)", "shortName": "Leases - Supplemental Cashflow Information (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "84", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingLeasePayments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingLeasePayments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R85": { "role": "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails", "longName": "9955562 - Disclosure - Accrued Expenses and Other Current Liabilities (Details)", "shortName": "Accrued Expenses and Other Current Liabilities (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "85", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:AccruedEmployeeBenefitsCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:AccruedEmployeeBenefitsCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock", "us-gaap:AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R86": { "role": "http://www.novelis.com/role/DebtScheduleofDebtDetails", "longName": "9955563 - Disclosure - Debt (Schedule of Debt) (Details)", "shortName": "Debt (Schedule of Debt) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "86", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DebtLongtermAndShorttermCombinedAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R87": { "role": "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails", "longName": "9955564 - Disclosure - Debt (Principal Payment Requirements) (Details)", "shortName": "Debt (Principal Payment Requirements) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "87", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R88": { "role": "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "longName": "9955565 - Disclosure - Debt (Short-term Borrowings (Details)", "shortName": "Debt (Short-term Borrowings (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "88", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-230", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R89": { "role": "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails", "longName": "9955566 - Disclosure - Debt (Senior Secured Credit Facilities) (Details)", "shortName": "Debt (Senior Secured Credit Facilities) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "89", "firstAnchor": { "contextRef": "c-233", "name": "us-gaap:LineOfCreditFacilityPeriodicPaymentPrincipal", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-233", "name": "us-gaap:LineOfCreditFacilityPeriodicPaymentPrincipal", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R90": { "role": "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "longName": "9955567 - Disclosure - Debt (Term Loan Facility) (Details)", "shortName": "Debt (Term Loan Facility) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "90", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:GainsLossesOnExtinguishmentOfDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-238", "name": "us-gaap:DebtInstrumentBasisSpreadOnVariableRate1", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R91": { "role": "http://www.novelis.com/role/DebtABLRevolverDetails", "longName": "9955568 - Disclosure - Debt (ABL Revolver) (Details)", "shortName": "Debt (ABL Revolver) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "91", "firstAnchor": { "contextRef": "c-256", "name": "us-gaap:LettersOfCreditOutstandingAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-255", "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-8", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R92": { "role": "http://www.novelis.com/role/DebtCitiFacilityDetails", "longName": "9955569 - Disclosure - Debt (Citi Facility) (Details)", "shortName": "Debt (Citi Facility) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "92", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:ShortTermBorrowings", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-257", "name": "us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R93": { "role": "http://www.novelis.com/role/DebtSeniorNotesDetails", "longName": "9955570 - Disclosure - Debt (Senior Notes) (Details)", "shortName": "Debt (Senior Notes) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "93", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:LongTermDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-267", "name": "us-gaap:ExtinguishmentOfDebtAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R94": { "role": "http://www.novelis.com/role/DebtLoansDetails", "longName": "9955571 - Disclosure - Debt (Loans) (Details)", "shortName": "Debt (Loans) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "94", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:LongTermDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-273", "name": "us-gaap:ProceedsFromIssuanceOfDebt", "unitRef": "cny", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R95": { "role": "http://www.novelis.com/role/DebtBondsDetails", "longName": "9955572 - Disclosure - Debt (Bonds) (Details)", "shortName": "Debt (Bonds) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "95", "firstAnchor": { "contextRef": "c-220", "name": "us-gaap:DebtInstrumentInterestRateStatedPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDebtTableTextBlock", "us-gaap:DebtDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-282", "name": "us-gaap:DebtInstrumentFaceAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R96": { "role": "http://www.novelis.com/role/ShareBasedCompensationCompensationExpenseDetails", "longName": "9955573 - Disclosure - Share-Based Compensation (Compensation Expense) (Details)", "shortName": "Share-Based Compensation (Compensation Expense) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "96", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AllocatedShareBasedCompensationExpense", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:AllocatedShareBasedCompensationExpense", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R97": { "role": "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "longName": "9955574 - Disclosure - Share-Based Compensation (RSUs Activity) (Details)", "shortName": "Share-Based Compensation (RSUs Activity) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "97", "firstAnchor": { "contextRef": "c-289", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-288", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R98": { "role": "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails", "longName": "9955575 - Disclosure - Share-Based Compensation (SARs Activity) (Details)", "shortName": "Share-Based Compensation (SARs Activity) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "98", "firstAnchor": { "contextRef": "c-301", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-298", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R99": { "role": "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "longName": "9955576 - Disclosure - Share-Based Compensation (Fair Value Assumptions) (Details)", "shortName": "Share-Based Compensation (Fair Value Assumptions) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "99", "firstAnchor": { "contextRef": "c-298", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "4", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-298", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "4", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R100": { "role": "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "longName": "9955577 - Disclosure - Share-Based Compensation (Details Textual)", "shortName": "Share-Based Compensation (Details Textual)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "100", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R101": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "longName": "9955578 - Disclosure - Postretirement Benefit Plans (Details Textual)", "shortName": "Postretirement Benefit Plans (Details Textual)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "101", "firstAnchor": { "contextRef": "c-1", "name": "nvl:PercentageofForeignBenefitObligationtoTotalBenefitObligation", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:PercentageofForeignBenefitObligationtoTotalBenefitObligation", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R102": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "longName": "9955579 - Disclosure - Postretirement Benefit Plans (Employer Contributions to Plans) (Details)", "shortName": "Postretirement Benefit Plans (Employer Contributions to Plans) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "102", "firstAnchor": { "contextRef": "c-1", "name": "nvl:DefinedContributionPlanEmployersContributionToFundedPensionPlan", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:DefinedContributionPlanEmployersContributionToFundedPensionPlan", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R103": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "longName": "9955580 - Disclosure - Postretirement Benefit Plans (Change in Benefit Obligation) (Details)", "shortName": "Postretirement Benefit Plans (Change in Benefit Obligation) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "103", "firstAnchor": { "contextRef": "c-318", "name": "us-gaap:DefinedBenefitPlanBenefitObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-314", "name": "us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R104": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "longName": "9955581 - Disclosure - Postretirement Benefit Plans (Change in Fair Value of Plan Assets) (Details)", "shortName": "Postretirement Benefit Plans (Change in Fair Value of Plan Assets) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "104", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:DefinedBenefitPlanFairValueOfPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-314", "name": "us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R105": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "longName": "9955582 - Disclosure - Postretirement Benefit Plans (Funded Status and Amounts Recognized) (Details)", "shortName": "Postretirement Benefit Plans (Funded Status and Amounts Recognized) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "105", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DefinedBenefitPlanFairValueOfPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNetFundedStatusTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R106": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "longName": "9955583 - Disclosure - Postretirement Benefit Plans (Postretirement Amounts Recognized in AOCI) (Details)", "shortName": "Postretirement Benefit Plans (Postretirement Amounts Recognized in AOCI) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "106", "firstAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R107": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails", "longName": "9955584 - Disclosure - Postretirement Benefit Plans (Postretirement Changes Recognized in AOCI) (Details)", "shortName": "Postretirement Benefit Plans (Postretirement Changes Recognized in AOCI) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "107", "firstAnchor": { "contextRef": "c-318", "name": "us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-314", "name": "nvl:AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetCurtailmentGainLossArisingDuringPeriodBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R108": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "longName": "9955585 - Disclosure - Postretirement Benefit Plans (Pension Plan Obligations) (Details)", "shortName": "Postretirement Benefit Plans (Pension Plan Obligations) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "108", "firstAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanBenefitObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R109": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "longName": "9955586 - Disclosure - Postretirement Benefit Plans (Future Benefit Payments) (Details)", "shortName": "Postretirement Benefit Plans (Future Benefit Payments) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "109", "firstAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R110": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "longName": "9955587 - Disclosure - Postretirement Benefit Plans (Components of Net Periodic Benefit Cost) (Details)", "shortName": "Postretirement Benefit Plans (Components of Net Periodic Benefit Cost) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "110", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-314", "name": "us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNetBenefitCostsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R111": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "longName": "9955588 - Disclosure - Postretirement Benefit Plans (Actuarial Assumptions and Sensitivity Analysis) (Details)", "shortName": "Postretirement Benefit Plans (Actuarial Assumptions and Sensitivity Analysis) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "111", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "3", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-325", "name": "us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAssumptionsUsedTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R112": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails", "longName": "9955589 - Disclosure - Postretirement Benefit Plans (Target and Actual Allocation Percentages) (Details)", "shortName": "Postretirement Benefit Plans (Target and Actual Allocation Percentages) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "112", "firstAnchor": { "contextRef": "c-344", "name": "us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-344", "name": "us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R113": { "role": "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "longName": "9955590 - Disclosure - Postretirement Benefit Plans (Pension Plan Assets) (Details)", "shortName": "Postretirement Benefit Plans (Pension Plan Assets) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "113", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DefinedBenefitPlanFairValueOfPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-386", "name": "us-gaap:DefinedBenefitPlanFairValueOfPlanAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R114": { "role": "http://www.novelis.com/role/CurrencyLossesGainsDetails", "longName": "9955591 - Disclosure - Currency Losses (Gains) (Details)", "shortName": "Currency Losses (Gains) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "114", "firstAnchor": { "contextRef": "c-1", "name": "nvl:GainLossOnRemeasurementOfMonetaryAssetsAndLiabilitiesNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock", "us-gaap:ForeignCurrencyDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:GainLossOnRemeasurementOfMonetaryAssetsAndLiabilitiesNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "nvl:ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock", "us-gaap:ForeignCurrencyDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R115": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails", "longName": "9955592 - Disclosure - Financial Instruments and Commodity Contracts (Summary of Gross Fair Value) (Details)", "shortName": "Financial Instruments and Commodity Contracts (Summary of Gross Fair Value) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "115", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DerivativeAssetsCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DerivativeAssetsNoncurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "us-gaap:FinancialInstrumentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R116": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "longName": "9955593 - Disclosure - Financial Instruments and Commodity Contracts (Details Textual)", "shortName": "Financial Instruments and Commodity Contracts (Details Textual)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "116", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DerivativeAssetsLiabilitiesAtFairValueNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "us-gaap:FinancialInstrumentsDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R117": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "longName": "9955594 - Disclosure - Financial Instruments and Commodity Contracts (Notional Amount (in kt)) (Details)", "shortName": "Financial Instruments and Commodity Contracts (Notional Amount (in kt)) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "117", "firstAnchor": { "contextRef": "c-426", "name": "us-gaap:DerivativeNonmonetaryNotionalAmount", "unitRef": "mg", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-426", "name": "us-gaap:DerivativeNonmonetaryNotionalAmount", "unitRef": "mg", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R118": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "longName": "9955595 - Disclosure - Financial Instruments and Commodity Contracts (Gain (Loss) Recognition) (Details)", "shortName": "Financial Instruments and Commodity Contracts (Gain (Loss) Recognition) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "118", "firstAnchor": { "contextRef": "c-1", "name": "nvl:UnrealizedGainsLossesOnBalanceSheetRemeasurementCurrencyExchangeContractsNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:UnrealizedGainsLossesOnBalanceSheetRemeasurementCurrencyExchangeContractsNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R119": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "longName": "9955596 - Disclosure - Financial Instruments and Commodity Contracts (Impact on AOCI and Earnings) (Details)", "shortName": "Financial Instruments and Commodity Contracts (Impact on AOCI and Earnings) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "119", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R120": { "role": "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "longName": "9955597 - Disclosure - Financial Instruments and Commodity Contracts (Gain (Loss) Reclassification) (Details)", "shortName": "Financial Instruments and Commodity Contracts (Gain (Loss) Reclassification) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "120", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxExpenseBenefit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-482", "name": "nvl:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R121": { "role": "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "longName": "9955598 - Disclosure - Accumulated Other Comprehensive Loss (Details)", "shortName": "Accumulated Other Comprehensive Loss (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "121", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-506", "name": "us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "us-gaap:ComprehensiveIncomeNoteTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R122": { "role": "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "longName": "9955599 - Disclosure - Fair Value Measurements (Derivative Assets and Liabilities) (Details)", "shortName": "Fair Value Measurements (Derivative Assets and Liabilities) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "122", "firstAnchor": { "contextRef": "c-6", "name": "nvl:DerivativeAssetMasterNettingAdjustment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "nvl:DerivativeAssetMasterNettingAdjustment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R123": { "role": "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails", "longName": "9955600 - Disclosure - Fair Value Measurements (Narrative) (Details)", "shortName": "Fair Value Measurements (Narrative) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "123", "firstAnchor": { "contextRef": "c-535", "name": "us-gaap:NotesReceivableGross", "unitRef": "eur", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-535", "name": "us-gaap:NotesReceivableGross", "unitRef": "eur", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R124": { "role": "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails", "longName": "9955601 - Disclosure - Fair Value Measurements (Financial Instruments Not Recorded at Fair Value) (Details)", "shortName": "Fair Value Measurements (Financial Instruments Not Recorded at Fair Value) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "124", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:LongTermDebt", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DebtInstrumentFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R125": { "role": "http://www.novelis.com/role/OtherExpenseIncomeDetails", "longName": "9955602 - Disclosure - Other Expense (Income) (Details)", "shortName": "Other Expense (Income) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "125", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:AssetImpairmentCharges", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:ScheduleOfRestructuringAndRelatedCostsTextBlock", "us-gaap:RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:ForeignCurrencyTransactionGainLossBeforeTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R126": { "role": "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails", "longName": "9955603 - Disclosure - Income Taxes (Domestic and Foreign Components) (Details)", "shortName": "Income Taxes (Domestic and Foreign Components) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "126", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R127": { "role": "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails", "longName": "9955604 - Disclosure - Income Taxes (Income Tax Provision) (Details)", "shortName": "Income Taxes (Income Tax Provision) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "127", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:CurrentFederalTaxExpenseBenefit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R128": { "role": "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "longName": "9955605 - Disclosure - Income Taxes (Reconciliation of Statutory Tax Rates) (Details)", "shortName": "Income Taxes (Reconciliation of Statutory Tax Rates) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "128", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxReconciliationNondeductibleExpenseOther", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxReconciliationNondeductibleExpenseOther", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R129": { "role": "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails", "longName": "9955606 - Disclosure - Income Taxes (Reconciliation of Statutory Tax Rate) (Details)", "shortName": "Income Taxes (Reconciliation of Statutory Tax Rate) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "129", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:IncomeTaxDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-4", "name": "nvl:EffectiveIncomeTaxRateReconciliationAtCanadianStatutoryIncomeTaxRate", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R130": { "role": "http://www.novelis.com/role/IncomeTaxesValuationAllowanceDetails", "longName": "9955607 - Disclosure - Income Taxes (Valuation Allowance) (Details)", "shortName": "Income Taxes (Valuation Allowance) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "130", "firstAnchor": { "contextRef": "c-6", "name": "nvl:ValuationAllowanceDeductions", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "nvl:ValuationAllowanceDeductions", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R131": { "role": "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails", "longName": "9955608 - Disclosure - Income Taxes (Deferred Tax Assets and Liabilities) (Details)", "shortName": "Income Taxes (Deferred Tax Assets and Liabilities) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "131", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R132": { "role": "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails", "longName": "9955609 - Disclosure - Income Taxes (Unrecognized Tax Benefits Reconciliation) (Details)", "shortName": "Income Taxes (Unrecognized Tax Benefits Reconciliation) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "132", "firstAnchor": { "contextRef": "c-7", "name": "us-gaap:UnrecognizedTaxBenefits", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R133": { "role": "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "longName": "9955610 - Disclosure - Income Taxes (Narrative) (Details)", "shortName": "Income Taxes (Narrative) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "133", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-7", "name": "us-gaap:TaxCreditCarryforwardAmount", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R134": { "role": "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails", "longName": "9955611 - Disclosure - Income Taxes (Schedule of Taxes Paid) (Details)", "shortName": "Income Taxes (Schedule of Taxes Paid) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "134", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxPaidFederalAfterRefundReceived", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:IncomeTaxPaidFederalAfterRefundReceived", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R135": { "role": "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "longName": "9955612 - Disclosure - Commitments and Contingencies (Details)", "shortName": "Commitments and Contingencies (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "135", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:AccruedEnvironmentalLossContingenciesCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:AccruedEnvironmentalLossContingenciesCurrent", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R136": { "role": "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails", "longName": "9955613 - Disclosure - Commitments and Contingencies (Brazilian Tax Ruling) (Details)", "shortName": "Commitments and Contingencies (Brazilian Tax Ruling) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "136", "firstAnchor": { "contextRef": "c-573", "name": "nvl:ContributionForFinancingOfSocialSecurityTaxCredit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-573", "name": "nvl:ContributionForFinancingOfSocialSecurityTaxCredit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R137": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "longName": "9955614 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Details Textual)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Details Textual)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "137", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:NumberOfOperatingSegments", "unitRef": "segment", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "us-gaap:NumberOfReportableSegments", "span", "ix:continuation", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:NumberOfReportableSegments", "unitRef": "segment", "xsiNil": "false", "lang": "en-US", "decimals": "INF", "ancestors": [ "span", "div", "us-gaap:SegmentReportingDisclosureTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R138": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails", "longName": "9955615 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Selected Operating Results) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Selected Operating Results) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "138", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap:SegmentExpenditureAdditionToLongLivedAssets", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R139": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "longName": "9955616 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Income Reconciliation) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Income Reconciliation) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "139", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingIncomeLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "nvl:AdjustmentToEliminateProportionalConsolidation", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R140": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "longName": "9955617 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Income From Reportable Segments) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Income From Reportable Segments) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "140", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:OperatingIncomeLoss", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": null }, "R141": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails", "longName": "9955618 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Geographical Information - Net Sales) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Geographical Information - Net Sales) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "141", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-622", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R142": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "longName": "9955619 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Geographical Information - Assets) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Geographical Information - Assets) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "142", "firstAnchor": { "contextRef": "c-6", "name": "us-gaap:PropertyPlantAndEquipmentNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-6", "name": "us-gaap:OtherIntangibleAssetsNet", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R143": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails", "longName": "9955620 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Product Sales) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Product Sales) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "143", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-650", "name": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-6", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "unique": true } }, "R144": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "longName": "9955621 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (3 Largest Customers) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (3 Largest Customers) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "144", "firstAnchor": { "contextRef": "c-662", "name": "us-gaap:ConcentrationRiskPercentage1", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-662", "name": "us-gaap:ConcentrationRiskPercentage1", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap:ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } }, "R145": { "role": "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails", "longName": "9955622 - Disclosure - Segment, Geographical Area, Major Customer and Major Supplier Information (Purchases - RTA) (Details)", "shortName": "Segment, Geographical Area, Major Customer and Major Supplier Information (Purchases - RTA) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "145", "firstAnchor": { "contextRef": "c-665", "name": "us-gaap:ConcentrationRiskPercentage1", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-665", "name": "us-gaap:ConcentrationRiskPercentage1", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "nvl-20260331.htm", "first": true, "unique": true } } }, "tag": { "nvl_A2021TermLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A2021TermLoansMember", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2021 Term Loans", "label": "2021 Term Loans [Member]", "documentation": "2021 Term Loans" } } }, "auth_ref": [] }, "nvl_A2023TermLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A2023TermLoansMember", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2023 Term Loans", "label": "2023 Term Loans [Member]", "documentation": "2023 Term Loans" } } }, "auth_ref": [] }, "nvl_A2025EfficiencyPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A2025EfficiencyPlanMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2025 Efficiency Plan", "label": "2025 Efficiency Plan [Member]", "documentation": "2025 Efficiency Plan" } } }, "auth_ref": [] }, "nvl_A2025TermLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A2025TermLoanMember", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2025 Term Loan", "label": "2025 Term Loan [Member]", "documentation": "2025 Term Loan" } } }, "auth_ref": [] }, "nvl_A3250SeniorNotesDueNovember2026Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A3250SeniorNotesDueNovember2026Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "3.250% Senior Notes, due November 2026", "label": "3.250% Senior Notes, due November 2026 [Member]", "documentation": "3.250% Senior Notes, due November 2026" } } }, "auth_ref": [] }, "nvl_A3875SeniorNotesDueAugust2031Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A3875SeniorNotesDueAugust2031Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "3.875% Senior Notes, due August 2031", "label": "3.875% Senior Notes, due August 2031 [Member]", "documentation": "3.875% Senior Notes, due August 2031" } } }, "auth_ref": [] }, "nvl_A5.875SeniorNotesDueSeptember2026Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A5.875SeniorNotesDueSeptember2026Member", "presentation": [ "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "5.875% Senior Notes due September 2026", "label": "5.875% Senior Notes due September 2026 [Member]", "documentation": "5.875% Senior Notes due September 2026" } } }, "auth_ref": [] }, "nvl_A6.375SeniorNotesDueAugust2033Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A6.375SeniorNotesDueAugust2033Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "6.375% Senior Notes due August 2033", "label": "6.375% Senior Notes due August 2033 [Member]", "documentation": "6.375% Senior Notes due August 2033" } } }, "auth_ref": [] }, "nvl_A6.875SeniorNotesDueJanuary2030Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "A6.875SeniorNotesDueJanuary2030Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "6.875% Senior Notes, due January 2030", "label": "6.875% Senior Notes, due January 2030 [Member]", "documentation": "6.875% Senior Notes, due January 2030" } } }, "auth_ref": [] }, "country_AE": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "AE", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Dubai", "label": "UNITED ARAB EMIRATES" } } }, "auth_ref": [] }, "nvl_AVMineralsNetherlandsN.V.Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AVMineralsNetherlandsN.V.Member", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "AV Minerals (Netherlands) N.V.", "label": "AV Minerals (Netherlands) N.V. [Member]", "documentation": "AV Minerals (Netherlands) N.V." } } }, "auth_ref": [] }, "nvl_AblFacilityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AblFacilityMember", "presentation": [ "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "ABL Facility", "label": "ABL Facility [Member]", "documentation": "ABL Facility." } } }, "auth_ref": [] }, "nvl_AblRevolverMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AblRevolverMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "ABL Revolver", "label": "ABL Revolver [Member]", "documentation": "ABL Revolver [Member]" } } }, "auth_ref": [] }, "us-gaap_AccountsAndNontradeReceivableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsAndNontradeReceivableTextBlock", "presentation": [ "http://www.novelis.com/role/AccountsReceivable" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts Receivable", "label": "Accounts and Nontrade Receivable [Text Block]", "documentation": "The entire disclosure for accounts receivable, contract receivable, receivable held-for-sale, and nontrade receivable." } } }, "auth_ref": [ "r349", "r364" ] }, "us-gaap_AccountsAndOtherReceivablesNetCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsAndOtherReceivablesNetCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 3.0 }, "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts receivable, net", "totalLabel": "Accounts receivable, net \u2014 third parties", "label": "Accounts and Other Receivables, Net, Current", "documentation": "Amount, after allowance, receivable from customers, clients, or other third-parties, and receivables classified as other due within one year or the normal operating cycle, if longer." } } }, "auth_ref": [] }, "us-gaap_AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsPayableAccruedLiabilitiesAndOtherLiabilitiesDisclosureCurrentTextBlock", "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilities" ], "lang": { "en-us": { "role": { "terseLabel": "10. ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES", "label": "Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]", "documentation": "The entire disclosure for accounts payable, accrued expenses, and other liabilities that are classified as current at the end of the reporting period." } } }, "auth_ref": [ "r669" ] }, "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsPayableAndAccruedLiabilitiesCurrentAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Accounts payable", "label": "Accounts Payable and Accrued Liabilities, Current [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccountsPayableCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsPayableCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts payable", "verboseLabel": "Accounts payable", "label": "Accounts Payable, Current", "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r87", "r1336" ] }, "us-gaap_AccountsReceivableFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsReceivableFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails": { "parentTag": "us-gaap_AccountsReceivableGrossCurrent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Trade accounts receivable", "label": "Accounts Receivable, Fair Value Disclosure", "documentation": "Fair value portion of amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties." } } }, "auth_ref": [ "r1839", "r1840", "r1841", "r1842" ] }, "us-gaap_AccountsReceivableGrossCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsReceivableGrossCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails": { "parentTag": "us-gaap_AccountsAndOtherReceivablesNetCurrent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Accounts receivable \u2014 third parties", "label": "Accounts Receivable, before Allowance for Credit Loss, Current", "documentation": "Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current." } } }, "auth_ref": [ "r223", "r351", "r1196" ] }, "us-gaap_AccountsReceivableNetCurrentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccountsReceivableNetCurrentAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Accounts receivable, net", "label": "Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccrualForEnvironmentalLossContingencies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccrualForEnvironmentalLossContingencies", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrual for environmental loss contingencies", "label": "Accrual for Environmental Loss Contingencies", "documentation": "Total costs accrued as of the balance sheet date for environmental loss contingencies." } } }, "auth_ref": [ "r445", "r1232", "r1497", "r1498", "r1668", "r1673" ] }, "us-gaap_AccrualForEnvironmentalLossContingenciesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccrualForEnvironmentalLossContingenciesAbstract", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Accrual for Environmental Loss Contingencies [Abstract]", "label": "Accrual for Environmental Loss Contingencies [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccruedEmployeeBenefitsCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccruedEmployeeBenefitsCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails": { "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued compensation and benefits", "label": "Accrued Employee Benefits, Current", "documentation": "Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r90" ] }, "us-gaap_AccruedEnvironmentalLossContingenciesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccruedEnvironmentalLossContingenciesCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Accrual for environmental loss contingencies, current", "label": "Accrued Environmental Loss Contingencies, Current", "documentation": "Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer." } } }, "auth_ref": [ "r90", "r1230", "r1665", "r1668", "r1673" ] }, "nvl_AccruedExpensesAndOtherCurrentLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AccruedExpensesAndOtherCurrentLiabilitiesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Accrued expenses and other current liabilities", "label": "Accrued Expenses and Other Current Liabilities [Abstract]", "documentation": "Accrued Expenses and Other Current Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccruedIncomeTaxesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccruedIncomeTaxesCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails": { "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued income taxes", "label": "Accrued Income Taxes, Current", "documentation": "Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations." } } }, "auth_ref": [ "r90", "r168" ] }, "us-gaap_AccruedLiabilitiesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccruedLiabilitiesCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued expenses and other current liabilities", "totalLabel": "Accrued expenses and other current liabilities", "label": "Accrued Liabilities, Current", "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r90" ] }, "us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedDefinedBenefitPlansAdjustmentMember", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Postretirement Benefit Plans", "label": "Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]", "documentation": "Accumulated other comprehensive (income) loss related to defined benefit plans attributable to the parent." } } }, "auth_ref": [ "r3", "r4", "r21", "r34", "r115", "r1542", "r1543", "r1544" ] }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "nvl_PropertyPlantAndEquipmentNetExcludingConstructionInProgress", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accumulated depreciation and amortization", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services." } } }, "auth_ref": [ "r58", "r218", "r1015" ] }, "us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedGainLossNetCashFlowHedgeParentMember", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash Flow Hedge", "label": "Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]", "documentation": "Accumulated other comprehensive income (loss) from gain (loss) of derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent." } } }, "auth_ref": [ "r235", "r244", "r245", "r758", "r846", "r847", "r848", "r849", "r1202", "r1542" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedOtherComprehensiveIncomeLossLineItems", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Line Items]", "label": "Accumulated Other Comprehensive Income (Loss) [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r243", "r244", "r846", "r847", "r848", "r849", "r898", "r900", "r901", "r902", "r903", "r904" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Accumulated other comprehensive loss", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "documentation": "Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source." } } }, "auth_ref": [ "r33", "r34", "r116", "r226", "r1009", "r1060", "r1064", "r1822" ] }, "nvl_AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetCurtailmentGainLossArisingDuringPeriodBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetCurtailmentGainLossArisingDuringPeriodBeforeTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Curtailments, settlements, and special termination benefits", "label": "Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Curtailment Gain (Loss) Arising During Period, before Tax", "documentation": "Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Curtailment Gain (Loss) Arising During Period, before Tax" } } }, "auth_ref": [] }, "nvl_AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetEffectOfCurrencyExchangeArisingDuringPeriodBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AccumulatedOtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetEffectOfCurrencyExchangeArisingDuringPeriodBeforeTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Effect of currency exchange", "label": "Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Effect of Currency Exchange Arising During Period, before Tax", "documentation": "Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Effect of Currency Exchange Arising During Period, before Tax" } } }, "auth_ref": [] }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedOtherComprehensiveIncomeLossTable", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated Other Comprehensive Income (Loss) [Table]", "label": "Accumulated Other Comprehensive Income (Loss) [Table]", "documentation": "Disclosure of information about components of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r243", "r244", "r846", "r847", "r848", "r849", "r898", "r900", "r901", "r902", "r903", "r904" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedOtherComprehensiveIncomeMember", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Accumulated Other Comprehensive Loss", "terseLabel": "AOCI Attributable to Parent", "label": "AOCI Attributable to Parent [Member]", "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r1", "r21", "r34", "r839", "r842", "r933", "r1055", "r1056", "r1542", "r1543", "r1544", "r1612", "r1613", "r1614", "r1615" ] }, "us-gaap_AccumulatedTranslationAdjustmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AccumulatedTranslationAdjustmentMember", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Currency Translation", "label": "Accumulated Foreign Currency Adjustment Attributable to Parent [Member]", "documentation": "Accumulated other comprehensive income (loss) resulting from foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to the parent." } } }, "auth_ref": [ "r2", "r21", "r34", "r113", "r114", "r244", "r245", "r900", "r901", "r902", "r903", "r904", "r1542" ] }, "us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AcquiredFiniteLivedIntangibleAssetsLineItems", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Intangible Asset, Acquired, Finite-Lived [Line Items]", "label": "Intangible Asset, Acquired, Finite-Lived [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r396", "r397", "r398", "r399", "r1067", "r1189" ] }, "nvl_ActivityInAllowanceForDoubtfulAccountsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ActivityInAllowanceForDoubtfulAccountsTableTextBlock", "presentation": [ "http://www.novelis.com/role/AccountsReceivableTables" ], "lang": { "en-us": { "role": { "terseLabel": "Activity in the allowance for doubtful accounts", "label": "Activity in the Allowance for Doubtful Accounts [Table Text Block]", "documentation": "Activity in the Allowance for Doubtful Accounts [Table Text Block]" } } }, "auth_ref": [] }, "ecd_Additional402vDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "Additional402vDisclosureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Additional 402(v) Disclosure", "label": "Additional 402(v) Disclosure [Text Block]" } } }, "auth_ref": [ "r1434" ] }, "us-gaap_AdditionalCashFlowElementsAndSupplementalCashFlowInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AdditionalCashFlowElementsAndSupplementalCashFlowInformationAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Supplemental Disclosures:", "label": "Additional Cash Flow Elements and Supplemental Cash Flow Information [Abstract]" } } }, "auth_ref": [] }, "nvl_AdditionalContributionsToFundedPensionPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AdditionalContributionsToFundedPensionPlan", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Expected additional contribution to funded pension plan", "terseLabel": "Additional Contributions To Funded Pension Plan", "label": "Additional Contributions To Funded Pension Plan", "documentation": "Additional contributions to funded pension plan." } } }, "auth_ref": [] }, "nvl_AdditionalContributionsToUnfundedPensionPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AdditionalContributionsToUnfundedPensionPlan", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Expected additional contribution to unfunded pension plan", "terseLabel": "Additional Contributions To Unfunded Pension Plan", "label": "Additional Contributions To Unfunded Pension Plan", "documentation": "Additional contributions to unfunded pension plan." } } }, "auth_ref": [] }, "nvl_AdditionalFreightCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AdditionalFreightCosts", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "nvl_GainLossFromCatastrophes", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Excess costs to fulfill customer contracts", "label": "Additional Freight Costs", "documentation": "Additional Freight Costs" } } }, "auth_ref": [] }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AdditionalPaidInCapitalCommonStock", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Additional paid\u2013in capital", "label": "Additional Paid in Capital, Common Stock", "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital." } } }, "auth_ref": [ "r103" ] }, "us-gaap_AdditionalPaidInCapitalMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AdditionalPaidInCapitalMember", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Additional Paid-in Capital", "label": "Additional Paid-in Capital [Member]", "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders." } } }, "auth_ref": [ "r1078", "r1612", "r1613", "r1614", "r1615", "r1823", "r1911" ] }, "ecd_AdjToCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AdjToCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Compensation, Amount", "label": "Adjustment to Compensation Amount" } } }, "auth_ref": [ "r1447" ] }, "ecd_AdjToCompAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AdjToCompAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Compensation:", "label": "Adjustment to Compensation [Axis]" } } }, "auth_ref": [ "r1447" ] }, "ecd_AdjToNonPeoNeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AdjToNonPeoNeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote", "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]" } } }, "auth_ref": [ "r1447" ] }, "ecd_AdjToPeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AdjToPeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment To PEO Compensation, Footnote", "label": "Adjustment To PEO Compensation, Footnote [Text Block]" } } }, "auth_ref": [ "r1447" ] }, "nvl_AdjustmentToEliminateProportionalConsolidation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AdjustmentToEliminateProportionalConsolidation", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to reconcile proportional consolidation", "label": "Adjustment To Eliminate Proportional Consolidation", "documentation": "Adjustment to eliminate proportional consolidation." } } }, "auth_ref": [] }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Return of capital to our common shareholder", "terseLabel": "Return of capital to our common shareholder", "label": "Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings", "documentation": "Amount of decrease in additional paid in capital (APIC) resulting from dividends legally declared (or paid) in excess of retained earnings balance." } } }, "auth_ref": [ "r22", "r148" ] }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Adjustments to determine net cash provided by operating activities:", "label": "Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]" } } }, "auth_ref": [] }, "nvl_AerospaceProductsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AerospaceProductsMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aerospace and industrial plate", "label": "Aerospace Products [Member]", "documentation": "Aerospace Products" } } }, "auth_ref": [] }, "nvl_AggregateIntrinsicValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AggregateIntrinsicValueAbstract", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value", "label": "Aggregate Intrinsic Value [Abstract]", "documentation": "Aggregate Intrinsic Value [Abstract]" } } }, "auth_ref": [] }, "ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AggtChngPnsnValInSummryCompstnTblForAplblYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table", "label": "Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]" } } }, "auth_ref": [ "r1492" ] }, "ecd_AggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Erroneous Compensation Amount", "label": "Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r1405", "r1416", "r1426", "r1459" ] }, "ecd_AggtErrCompNotYetDeterminedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AggtErrCompNotYetDeterminedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined", "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]" } } }, "auth_ref": [ "r1408", "r1419", "r1429", "r1462" ] }, "ecd_AggtPnsnAdjsSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AggtPnsnAdjsSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Pension Adjustments Service Cost", "label": "Aggregate Pension Adjustments Service Cost [Member]" } } }, "auth_ref": [ "r1493" ] }, "ecd_AllAdjToCompMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AllAdjToCompMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Adjustments to Compensation", "label": "All Adjustments to Compensation [Member]" } } }, "auth_ref": [ "r1447" ] }, "ecd_AllExecutiveCategoriesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AllExecutiveCategoriesMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Executive Categories", "label": "All Executive Categories [Member]" } } }, "auth_ref": [ "r1454" ] }, "ecd_AllIndividualsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AllIndividualsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "All Individuals", "label": "All Individuals [Member]" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1454", "r1463", "r1467", "r1475" ] }, "ecd_AllTradingArrangementsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AllTradingArrangementsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "All Trading Arrangements", "label": "All Trading Arrangements [Member]" } } }, "auth_ref": [ "r1473" ] }, "us-gaap_AllocatedShareBasedCompensationExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AllocatedShareBasedCompensationExpense", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationCompensationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total compensation expense", "label": "Share-Based Payment Arrangement, Expense", "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized." } } }, "auth_ref": [ "r649", "r658", "r667" ] }, "nvl_AllowanceAsPercentageOfGrossAccountsReceivable": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AllowanceAsPercentageOfGrossAccountsReceivable", "presentation": [ "http://www.novelis.com/role/AccountsReceivableAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance as a percentage of gross accounts receivable", "label": "Allowance as a percentage of gross accounts receivable", "documentation": "Allowance as a percentage of gross accounts receivable" } } }, "auth_ref": [] }, "us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AllowanceForDoubtfulAccountsReceivableCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails": { "parentTag": "us-gaap_AccountsAndOtherReceivablesNetCurrent", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails", "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for credit losses", "negatedTerseLabel": "Allowance for credit losses \u2014 third parties", "periodStartLabel": "Balance\u00a0at Beginning of\u00a0Period", "periodEndLabel": "Balance\u00a0at End\u00a0of Period", "label": "Accounts Receivable, Allowance for Credit Loss, Current", "documentation": "Amount of allowance for credit loss on accounts receivable, classified as current." } } }, "auth_ref": [ "r227", "r355", "r369" ] }, "us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease", "presentation": [ "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Exchange and\u00a0Other", "label": "Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease)", "documentation": "Amount of increase (decrease) in allowance for credit loss on accounts receivable." } } }, "auth_ref": [ "r1632" ] }, "us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AllowanceForDoubtfulAccountsReceivableRollforward", "presentation": [ "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Allowance for Doubtful Accounts Receivable [Roll Forward]", "label": "Accounts Receivable, Allowance for Credit Loss [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AllowanceForDoubtfulAccountsReceivableWriteOffs", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Accounts Recovered/(Written-Off)", "label": "Accounts Receivable, Allowance for Credit Loss, Writeoff", "documentation": "Amount of direct write-downs of accounts receivable charged against the allowance." } } }, "auth_ref": [ "r371" ] }, "nvl_AluInfraServicesSAMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AluInfraServicesSAMember", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "AluInfra Services SA", "label": "AluInfra Services SA [Member]", "documentation": "AluInfra Services SA [Member]" } } }, "auth_ref": [] }, "nvl_AluminiumContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AluminiumContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Metal contracts", "terseLabel": "Aluminium Contracts [Member]", "label": "Aluminium Contracts [Member]", "documentation": "Aluminium contracts." } } }, "auth_ref": [] }, "nvl_AluminumFowardSalesContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AluminumFowardSalesContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aluminum Forward Sales Contracts", "label": "Aluminum Foward Sales Contracts [Member]", "documentation": "Aluminum foward sales contracts" } } }, "auth_ref": [] }, "nvl_AluminumNorfGmbhMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AluminumNorfGmbhMember", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Alunorf", "label": "Aluminum Norf GmbH [Member]", "documentation": "Aluminum Norf GmbH [Member]" } } }, "auth_ref": [] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AmendmentFlag", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "us-gaap_AmortizationOfFinancingCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AmortizationOfFinancingCosts", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Amortization of debt issuance costs and carrying value adjustments", "label": "Amortization of Debt Issuance Costs", "documentation": "Amount of amortization expense attributable to debt issuance costs." } } }, "auth_ref": [ "r124", "r485", "r1592", "r1851" ] }, "us-gaap_AmortizationOfIntangibleAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AmortizationOfIntangibleAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofAmortizationofIntangiblesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amortization expense related to intangible assets included in depreciation and amortization", "label": "Amortization of Intangible Assets", "documentation": "The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets." } } }, "auth_ref": [ "r12", "r259", "r395", "r401", "r1193", "r1203", "r1205", "r1207", "r1209" ] }, "nvl_AntidumpingDutiesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AntidumpingDutiesMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Antidumping Duties", "label": "Antidumping Duties [Member]", "documentation": "Antidumping Duties" } } }, "auth_ref": [] }, "nvl_AsiaAndOtherPacificMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AsiaAndOtherPacificMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asia and Other Pacific", "label": "Asia and Other Pacific [Member]", "documentation": "Asia and Other Pacific [Member]" } } }, "auth_ref": [] }, "nvl_AsiaSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AsiaSegmentMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asia Segment", "label": "Asia Segment [Member]", "documentation": "Asia Segment" } } }, "auth_ref": [] }, "us-gaap_AssetImpairmentCharges": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetImpairmentCharges", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "us-gaap_LossFromCatastrophes", "weight": 1.0, "order": 7.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Non-cash restructuring and impairment charges", "verboseLabel": "Fixed asset charges", "label": "Asset Impairment Charges", "documentation": "Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill." } } }, "auth_ref": [ "r12", "r56", "r1350", "r1351" ] }, "us-gaap_AssetRetirementObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetRetirementObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asset retirement obligation", "label": "Asset Retirement Obligation", "documentation": "The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees." } } }, "auth_ref": [ "r428", "r429" ] }, "us-gaap_AssetRetirementObligationForeignCurrencyTranslationGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetRetirementObligationForeignCurrencyTranslationGainLoss", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign currency translation", "label": "Asset Retirement Obligation, Foreign Currency Translation Gain (Loss)", "documentation": "Amount of foreign currency translation gain (loss) which decreases (increases) asset retirement obligations." } } }, "auth_ref": [ "r1663" ] }, "us-gaap_Assets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Assets", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total assets", "terseLabel": "Total assets", "label": "Assets", "documentation": "Amount of asset recognized for present right to economic benefit." } } }, "auth_ref": [ "r166", "r182", "r222", "r271", "r274", "r275", "r304", "r316", "r335", "r339", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r754", "r761", "r885", "r995", "r996", "r1003", "r1115", "r1220", "r1221", "r1243", "r1336", "r1361", "r1363", "r1381", "r1681", "r1682", "r1858" ] }, "us-gaap_AssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "ASSETS", "label": "Assets [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AssetsCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total current assets", "terseLabel": "Assets, Current", "label": "Assets, Current", "documentation": "Amount of asset recognized for present right to economic benefit, classified as current." } } }, "auth_ref": [ "r215", "r229", "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r754", "r761", "r885", "r1336", "r1681", "r1682", "r1858" ] }, "us-gaap_AssetsCurrentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsCurrentAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Current assets:", "label": "Assets, Current [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AssetsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsFairValueDisclosure", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Assets, Fair Value Disclosure", "label": "Assets, Fair Value Disclosure", "documentation": "Fair value portion of asset recognized for present right to economic benefit." } } }, "auth_ref": [ "r863", "r864", "r1326" ] }, "us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsHeldForSaleNotPartOfDisposalGroupCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Assets held for sale", "label": "Asset, Held-for-Sale, Not Part of Disposal Group, Current", "documentation": "Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r139", "r1336" ] }, "us-gaap_AssetsHeldUnderCapitalLeasesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsHeldUnderCapitalLeasesMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equipment under Capital Lease Obligations", "label": "Assets Held under Capital Leases [Member]", "documentation": "Long lived property, plant or equipment assets held by a lessee through a capital lease arrangement." } } }, "auth_ref": [ "r186" ] }, "us-gaap_AssetsNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AssetsNoncurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Assets, Noncurrent", "label": "Assets, Noncurrent", "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer." } } }, "auth_ref": [ "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r754", "r761", "r885", "r1681", "r1682", "r1858" ] }, "nvl_AssetsandLiabilitiesHeldforsalePolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AssetsandLiabilitiesHeldforsalePolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Assets and Liabilities Held for Sale", "label": "Assets and Liabilities Held-for-sale [Policy Text Block]", "documentation": "Assets and Liabilities Held-for-sale [Policy Text Block]" } } }, "auth_ref": [] }, "dei_AuditorFirmId": { "xbrltype": "nonemptySequenceNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AuditorFirmId", "presentation": [ "http://www.novelis.com/role/AuditInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Auditor Firm ID", "label": "Auditor Firm ID", "documentation": "PCAOB issued Audit Firm Identifier" } } }, "auth_ref": [ "r1388", "r1389", "r1412" ] }, "nvl_AuditorInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AuditorInformationAbstract", "lang": { "en-us": { "role": { "label": "Auditor Information [Abstract]", "documentation": "Auditor Information [Abstract]" } } }, "auth_ref": [] }, "dei_AuditorLocation": { "xbrltype": "internationalNameItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AuditorLocation", "presentation": [ "http://www.novelis.com/role/AuditInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Auditor Location", "label": "Auditor Location" } } }, "auth_ref": [ "r1388", "r1389", "r1412" ] }, "dei_AuditorName": { "xbrltype": "internationalNameItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "AuditorName", "presentation": [ "http://www.novelis.com/role/AuditInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Auditor Name", "label": "Auditor Name" } } }, "auth_ref": [ "r1388", "r1389", "r1412" ] }, "nvl_AutomotiveProductsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "AutomotiveProductsMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Automotive", "label": "Automotive Products [Member]", "documentation": "Automotive Products [Member]" } } }, "auth_ref": [] }, "ecd_AwardExrcPrice": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardExrcPrice", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Exercise Price", "label": "Award Exercise Price" } } }, "auth_ref": [ "r1470" ] }, "ecd_AwardGrantDateFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardGrantDateFairValue", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value as of Grant Date", "label": "Award Grant Date Fair Value" } } }, "auth_ref": [ "r1471" ] }, "ecd_AwardTmgDiscLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgDiscLineItems", "lang": { "en-us": { "role": { "label": "Award Timing Disclosures [Line Items]" } } }, "auth_ref": [ "r1466" ] }, "ecd_AwardTmgHowMnpiCnsdrdTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgHowMnpiCnsdrdTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing, How MNPI Considered", "label": "Award Timing, How MNPI Considered [Text Block]" } } }, "auth_ref": [ "r1466" ] }, "ecd_AwardTmgMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing Method", "label": "Award Timing Method [Text Block]" } } }, "auth_ref": [ "r1466" ] }, "ecd_AwardTmgMnpiCnsdrdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgMnpiCnsdrdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing MNPI Considered", "label": "Award Timing MNPI Considered [Flag]" } } }, "auth_ref": [ "r1466" ] }, "ecd_AwardTmgMnpiDiscTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgMnpiDiscTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing MNPI Disclosure", "label": "Award Timing MNPI Disclosure [Text Block]" } } }, "auth_ref": [ "r1466" ] }, "ecd_AwardTmgPredtrmndFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardTmgPredtrmndFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Timing Predetermined", "label": "Award Timing Predetermined [Flag]" } } }, "auth_ref": [ "r1466" ] }, "us-gaap_AwardTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "AwardTypeAxis", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Type [Axis]", "label": "Award Type [Axis]", "documentation": "Information by type of award under share-based payment arrangement." } } }, "auth_ref": [ "r620", "r621", "r622", "r624", "r625", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r641", "r644", "r645", "r646", "r647", "r648" ] }, "ecd_AwardUndrlygSecuritiesAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardUndrlygSecuritiesAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Underlying Securities", "label": "Award Underlying Securities Amount" } } }, "auth_ref": [ "r1469" ] }, "ecd_AwardsCloseToMnpiDiscIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardsCloseToMnpiDiscIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Awards Close in Time to MNPI Disclosures, Individual Name" } } }, "auth_ref": [ "r1468" ] }, "ecd_AwardsCloseToMnpiDiscTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardsCloseToMnpiDiscTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Awards Close in Time to MNPI Disclosures", "label": "Awards Close in Time to MNPI Disclosures [Table]" } } }, "auth_ref": [ "r1467" ] }, "ecd_AwardsCloseToMnpiDiscTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "AwardsCloseToMnpiDiscTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Awards Close in Time to MNPI Disclosures, Table", "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]" } } }, "auth_ref": [ "r1467" ] }, "country_BR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "BR", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails", "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Brazil", "label": "BRAZIL" } } }, "auth_ref": [] }, "us-gaap_BalanceSheetLocationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BalanceSheetLocationAxis", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Balance Sheet Location [Axis]", "label": "Statement of Financial Position Location, Balance [Axis]", "documentation": "Information by location in statement of financial position where disaggregated cumulative balance is reported." } } }, "auth_ref": [ "r419", "r774", "r780", "r781", "r782", "r783", "r804", "r805", "r806", "r807", "r808", "r809", "r810", "r884", "r1321", "r1322", "r1512", "r1873" ] }, "us-gaap_BalanceSheetLocationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BalanceSheetLocationDomain", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Balance Sheet Location [Domain]", "label": "Statement of Financial Position Location, Balance [Domain]", "documentation": "Location in statement of financial position where disaggregated cumulative balance is reported." } } }, "auth_ref": [ "r419", "r774", "r780", "r781", "r782", "r783", "r804", "r805", "r806", "r807", "r808", "r809", "r810", "r884", "r1321", "r1322", "r1512", "r1873" ] }, "nvl_BallMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "BallMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ball", "label": "Ball [Member]", "documentation": "Ball" } } }, "auth_ref": [] }, "us-gaap_BankLoanObligationsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BankLoanObligationsMember", "presentation": [ "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Bank Loan Obligations", "label": "Bank Loan Obligations [Member]", "documentation": "Investments in debentures, bonds and other debt securities issued by a bank holding company, its subsidiaries, or affiliates." } } }, "auth_ref": [] }, "nvl_BankLoansDueThroughAugust2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "BankLoansDueThroughAugust2027Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Bank Loans, Due Through August 2027", "label": "Bank Loans, Due Through August 2027 [Member]", "documentation": "Bank Loans, Due Through August 2027" } } }, "auth_ref": [] }, "us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BasisOfPresentationAndSignificantAccountingPoliciesTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "1. BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES", "label": "Basis of Presentation and Significant Accounting Policies [Text Block]", "documentation": "The entire disclosure for the basis of presentation and significant accounting policies concepts. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Accounting policies describe all significant accounting policies of the reporting entity." } } }, "auth_ref": [ "r1595" ] }, "nvl_BenchmarkConsolidatedEBIDTAAsPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "BenchmarkConsolidatedEBIDTAAsPercent", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidated EBIDTA, percent", "label": "Benchmark Consolidated EBIDTA As Percent", "documentation": "Benchmark Consolidated EBIDTA As Percent" } } }, "auth_ref": [] }, "us-gaap_BondsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BondsMember", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Bonds", "label": "Bonds [Member]", "documentation": "Debt security, in which the authorized issuer owes the holder a debt and is obliged to repay the principal and interest (the coupon)." } } }, "auth_ref": [] }, "nvl_BrazilianTaxAuthoritiesandOtherThirdPartiesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "BrazilianTaxAuthoritiesandOtherThirdPartiesMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Brazilian Tax Authorities and Other Third Parties", "label": "Brazilian Tax Authorities and Other Third Parties [Member]", "documentation": "Brazilian Tax Authorities and Other Third Parties [Member]" } } }, "auth_ref": [] }, "us-gaap_BuildingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BuildingMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Buildings", "label": "Building [Member]", "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities." } } }, "auth_ref": [ "r140" ] }, "us-gaap_BuildingsAndImprovementsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BuildingsAndImprovementsGross", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "nvl_PropertyPlantAndEquipmentGrossExcludingConstructionInProgress", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Buildings", "label": "Buildings and Improvements, Gross", "documentation": "Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing." } } }, "auth_ref": [ "r140" ] }, "us-gaap_BusinessCombinationsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "BusinessCombinationsPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Business Combinations", "label": "Business Combination [Policy Text Block]", "documentation": "Disclosure of accounting policy for business combination." } } }, "auth_ref": [ "r735", "r736", "r737", "r738", "r739", "r740", "r741", "r1271", "r1274", "r1304", "r1305" ] }, "country_CA": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "CA", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Canada", "label": "CANADA" } } }, "auth_ref": [] }, "country_CH": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "CH", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Switzerland", "label": "SWITZERLAND" } } }, "auth_ref": [] }, "country_CN": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "CN", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China", "label": "CHINA" } } }, "auth_ref": [] }, "nvl_CanSalesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "CanSalesMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Beverage packaging(1)", "label": "Can Sales [Member]", "documentation": "Can Sales [Member]" } } }, "auth_ref": [] }, "us-gaap_CapitalExpendituresIncurredButNotYetPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CapitalExpendituresIncurredButNotYetPaid", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued capital expenditures as of March 31", "label": "Capital Expenditures Incurred but Not yet Paid", "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred." } } }, "auth_ref": [ "r44", "r45", "r46" ] }, "us-gaap_Cash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Cash", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash", "label": "Cash", "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation." } } }, "auth_ref": [ "r188", "r1007", "r1080", "r1109", "r1336", "r1361", "r1363", "r1381", "r1519" ] }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashAndCashEquivalentsAtCarryingValue", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and cash equivalents", "verboseLabel": "Cash and cash equivalents", "label": "Cash and Cash Equivalent", "documentation": "Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate." } } }, "auth_ref": [ "r41", "r217", "r1194" ] }, "us-gaap_CashAndCashEquivalentsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashAndCashEquivalentsMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and Cash Equivalents", "label": "Cash and Cash Equivalents [Member]", "documentation": "Currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [] }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashAndCashEquivalentsPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and Cash Equivalents", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value." } } }, "auth_ref": [ "r42" ] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "periodStartLabel": "Cash, cash equivalents and restricted cash \u2014 beginning of period", "periodEndLabel": "Cash, cash equivalents and restricted cash \u2014 end of period", "totalLabel": "Cash, cash equivalents and restricted cash \u2014 end of period", "label": "Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation", "documentation": "Amount of cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate." } } }, "auth_ref": [ "r41", "r131", "r270" ] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "totalLabel": "Net increase (decrease) in cash and cash equivalents and restricted cash", "label": "Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation", "documentation": "Amount, excluding effect from change in exchange rate, of increase (decrease) in cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; including, but not limited to, discontinued operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate." } } }, "auth_ref": [ "r0", "r131" ] }, "us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Expected reclassification of gains (losses) from AOCI to earnings", "label": "Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months", "documentation": "The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months." } } }, "auth_ref": [ "r845" ] }, "us-gaap_CashFlowHedgingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CashFlowHedgingMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Cash flow hedges", "label": "Cash Flow Hedging [Member]", "documentation": "Hedge of the exposure to variability in the cash flows of a recognized asset or liability, or of a forecasted transaction, that is attributable to a particular risk." } } }, "auth_ref": [] }, "nvl_CashFlowSalesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "CashFlowSalesMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cash flow sales", "label": "Cash flow sales [Member]", "documentation": "Cash flow sales" } } }, "auth_ref": [] }, "us-gaap_CatastrophicEventDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CatastrophicEventDomain", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Catastrophic Event [Domain]", "label": "Catastrophic Event [Domain]", "documentation": "Catastrophic event, for example, but not limited to, earthquake, windstorm, fire or explosion." } } }, "auth_ref": [ "r1355" ] }, "us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]", "label": "Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r1355" ] }, "us-gaap_CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTable", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Liability for Unpaid Claim and Claim Adjustment Expense, Change [Table]", "label": "Liability for Unpaid Claim and Claim Adjustment Expense, Change [Table]", "documentation": "Disclosure of information about change in incurred claim and claim adjustment expenses recognized in statement of income and attributable to insured event from prior year. Includes, but is not limited to, reason for change and disclosure of fact whether additional or return premium was accrued as result of prior-year effect." } } }, "auth_ref": [ "r1044", "r1045", "r1046", "r1047", "r1355" ] }, "us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized (gains) losses on change in fair value of derivative instruments, net", "negatedLabel": "Unrealized (losses) gains on change in fair value of derivative instruments, net", "label": "Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments", "documentation": "Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement." } } }, "auth_ref": [ "r254", "r1811" ] }, "ecd_ChangedPeerGroupFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ChangedPeerGroupFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Changed Peer Group, Footnote", "label": "Changed Peer Group, Footnote [Text Block]" } } }, "auth_ref": [ "r1445" ] }, "nvl_ChangzhouPlantMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChangzhouPlantMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Changzhou Plant", "label": "Changzhou Plant [Member]", "documentation": "Changzhou Plant" } } }, "auth_ref": [] }, "nvl_ChinaBankLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChinaBankLoansMember", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China Bank Loans, due August 2027", "label": "China Bank Loans [Member]", "documentation": "China Bank Loans" } } }, "auth_ref": [] }, "nvl_ChinaLoanDueDecember2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChinaLoanDueDecember2027Member", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China Loan, due December 2027", "label": "China Loan, due December 2027 [Member]", "documentation": "China Loan, due December 2027" } } }, "auth_ref": [] }, "nvl_ChinaLoanDueJanuary2029Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChinaLoanDueJanuary2029Member", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China Loan, due January 2029", "label": "China Loan, due January 2029 [Member]", "documentation": "China Loan, due January 2029" } } }, "auth_ref": [] }, "nvl_ChinaLoanDueNovember2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChinaLoanDueNovember2027Member", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China Loan, due November 2027", "label": "China Loan, due November 2027 [Member]", "documentation": "China Loan, due November 2027" } } }, "auth_ref": [] }, "nvl_ChinaLoanDueSeptember2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ChinaLoanDueSeptember2027Member", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "China Loan, Due September 2027", "label": "China Loan, Due September 2027 [Member]", "documentation": "China Loan, Due September 2027" } } }, "auth_ref": [] }, "ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year", "label": "Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]" } } }, "auth_ref": [ "r1442" ] }, "ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested", "label": "Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]" } } }, "auth_ref": [ "r1440" ] }, "nvl_CitiFacilityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "CitiFacilityMember", "presentation": [ "http://www.novelis.com/role/DebtCitiFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Citi Facility", "label": "Citi Facility [Member]", "documentation": "Citi Facility" } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "CityAreaCode", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "ecd_CoSelectedMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CoSelectedMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Company Selected Measure Amount", "label": "Company Selected Measure Amount" } } }, "auth_ref": [ "r1446" ] }, "ecd_CoSelectedMeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CoSelectedMeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Company Selected Measure Name", "label": "Company Selected Measure Name" } } }, "auth_ref": [ "r1446" ] }, "us-gaap_CommitmentsAndContingencies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommitmentsAndContingencies", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments and contingencies", "label": "Commitments and Contingencies", "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur." } } }, "auth_ref": [ "r96", "r171", "r1006", "r1100" ] }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommitmentsAndContingenciesDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Commitments and Contingencies Disclosure [Abstract]", "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingencies" ], "lang": { "en-us": { "role": { "terseLabel": "20. COMMITMENTS AND CONTINGENCIES", "label": "Commitments and Contingencies Disclosure [Text Block]", "documentation": "The entire disclosure for commitments and contingencies." } } }, "auth_ref": [ "r144", "r440", "r441", "r1174", "r1658", "r1672" ] }, "us-gaap_CommitmentsAndContingenciesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommitmentsAndContingenciesPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Litigation Contingencies", "label": "Commitments and Contingencies, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for commitments and contingencies, which may include policies for recognizing and measuring loss and gain contingencies." } } }, "auth_ref": [ "r60", "r1175" ] }, "us-gaap_CommonStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommonStockMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Common Stock", "terseLabel": "Common Stock", "label": "Common Stock [Member]", "documentation": "Stock that is subordinate to all other stock of the issuer." } } }, "auth_ref": [ "r1366", "r1367", "r1368", "r1370", "r1371", "r1372", "r1375", "r1612", "r1613", "r1615", "r1823", "r1904", "r1911" ] }, "us-gaap_CommonStockSharesAuthorizedUnlimited": { "xbrltype": "authorizedUnlimitedItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommonStockSharesAuthorizedUnlimited", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, shares authorized", "label": "Common Stock, Shares Authorized, Unlimited [Fixed List]", "documentation": "Indicates whether number of common shares permitted to be issued is unlimited. Acceptable value is \"Unlimited\"." } } }, "auth_ref": [ "r101" ] }, "us-gaap_CommonStockSharesIssued": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommonStockSharesIssued", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, shares issued (in shares)", "label": "Common Stock, Shares, Issued", "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury." } } }, "auth_ref": [ "r101" ] }, "us-gaap_CommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommonStockSharesOutstanding", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, shares outstanding (in shares)", "label": "Common Stock, Shares, Outstanding", "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation." } } }, "auth_ref": [ "r22", "r101", "r1101", "r1121", "r1911", "r1912" ] }, "us-gaap_CommonStockValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CommonStockValue", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock, no par value; Unlimited number of shares authorized; 606,333,333 and 600,000,000 shares issued and outstanding as of March\u00a031, 2026 and March\u00a031, 2025, respectively", "label": "Common Stock, Value, Issued", "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity." } } }, "auth_ref": [ "r101", "r499", "r504", "r1008", "r1336" ] }, "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Company Selected Measure", "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]" } } }, "auth_ref": [ "r1451" ] }, "ecd_CompActuallyPaidVsNetIncomeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CompActuallyPaidVsNetIncomeTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Net Income", "label": "Compensation Actually Paid vs. Net Income [Text Block]" } } }, "auth_ref": [ "r1450" ] }, "ecd_CompActuallyPaidVsOtherMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CompActuallyPaidVsOtherMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Other Measure", "label": "Compensation Actually Paid vs. Other Measure [Text Block]" } } }, "auth_ref": [ "r1452" ] }, "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return", "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]" } } }, "auth_ref": [ "r1449" ] }, "us-gaap_CompensationAndRetirementDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CompensationAndRetirementDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Retirement Benefits [Abstract]", "label": "Retirement Benefits [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ComprehensiveIncomeNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ComprehensiveIncomeNetOfTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Comprehensive (loss) income attributable to our common shareholder", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r35", "r239", "r241", "r249", "r994", "r1022", "r1024" ] }, "us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "terseLabel": "Comprehensive income (loss) attributable to noncontrolling interest, net of tax", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest", "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income (loss) and other comprehensive income (loss), attributable to noncontrolling interests. Excludes changes in equity resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r7", "r76", "r85", "r239", "r241", "r248", "r993", "r1022", "r1023" ] }, "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Comprehensive (loss) income", "label": "Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest", "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r85", "r164", "r239", "r241", "r247", "r992", "r1022" ] }, "us-gaap_ComprehensiveIncomeNoteTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ComprehensiveIncomeNoteTextBlock", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLoss" ], "lang": { "en-us": { "role": { "terseLabel": "16. ACCUMULATED OTHER COMPREHENSIVE LOSS", "label": "Comprehensive Income (Loss) Note [Text Block]", "documentation": "The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income." } } }, "auth_ref": [ "r112", "r246", "r991", "r1021" ] }, "us-gaap_ConcentrationRiskBenchmarkDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskBenchmarkDomain", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration Risk Benchmark [Domain]", "label": "Concentration Risk Benchmark [Domain]", "documentation": "The denominator in a calculation of a disclosed concentration risk percentage." } } }, "auth_ref": [ "r307", "r346", "r1068", "r1069", "r1173", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskByBenchmarkAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskByBenchmarkAxis", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration Risk Benchmark [Axis]", "label": "Concentration Risk Benchmark [Axis]", "documentation": "Information by benchmark of concentration risk." } } }, "auth_ref": [ "r307", "r346", "r1068", "r1069", "r1173", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskByTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskByTypeAxis", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration Risk Type [Axis]", "label": "Concentration Risk Type [Axis]", "documentation": "Information by type of concentration risk, for example, but not limited to, asset, liability, net assets, geographic, customer, employees, supplier, lender." } } }, "auth_ref": [ "r307", "r346", "r1068", "r1069", "r1173", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskCreditRisk": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskCreditRisk", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Risks and Uncertainties", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for credit risk. Includes, but is not limited to, policy for entering into master netting arrangement or similar agreement to mitigate credit risk of financial instrument." } } }, "auth_ref": [ "r881", "r882" ] }, "us-gaap_ConcentrationRiskLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskLineItems", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revenue, Major Customer [Line Items]", "label": "Concentration Risk [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r307", "r308", "r1173", "r1212", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskPercentage1": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskPercentage1", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Percentage of total net sales", "terseLabel": "Purchases from Rio Tinto as a percentage of total combined metal purchases", "label": "Concentration Risk, Percentage", "documentation": "For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the \"benchmark\" (or denominator) in the equation, this concept represents the concentration percentage derived from the division." } } }, "auth_ref": [ "r307", "r346", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskTable", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration Risk [Table]", "label": "Concentration Risk [Table]", "documentation": "Disclosure of information about concentration risk. Includes, but is not limited to, percentage of concentration risk and benchmark serving as denominator in calculation of percentage of concentration risk." } } }, "auth_ref": [ "r307", "r308", "r1173", "r1212", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "us-gaap_ConcentrationRiskTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConcentrationRiskTypeDomain", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration Risk Type [Domain]", "label": "Concentration Risk Type [Domain]", "documentation": "For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, identifies the type (for example, asset, liability, net assets, geographic, customer, employees, supplier, lender) of the concentration." } } }, "auth_ref": [ "r307", "r346", "r1068", "r1069", "r1173", "r1617", "r1618", "r1619", "r1620", "r1621" ] }, "srt_ConsolidatedEntitiesAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ConsolidatedEntitiesAxis", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidated Entities [Axis]", "label": "Consolidated Entities [Axis]" } } }, "auth_ref": [ "r272", "r283", "r754", "r755", "r760", "r761", "r762", "r938", "r999", "r1180", "r1680", "r1683", "r1684" ] }, "srt_ConsolidatedEntitiesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ConsolidatedEntitiesDomain", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidated Entities [Domain]", "label": "Consolidated Entities [Domain]" } } }, "auth_ref": [ "r272", "r283", "r754", "r755", "r760", "r761", "r762", "r938", "r999", "r1180", "r1680", "r1683", "r1684" ] }, "nvl_ConsolidationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ConsolidationAbstract", "lang": { "en-us": { "role": { "terseLabel": "Consolidation [Abstract]", "label": "Consolidation [Abstract]", "documentation": "Consolidation" } } }, "auth_ref": [] }, "srt_ConsolidationItemsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ConsolidationItemsAxis", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidation Items [Axis]", "label": "Consolidation Items [Axis]" } } }, "auth_ref": [ "r180", "r271", "r272", "r279", "r283", "r304", "r318", "r333", "r334", "r335", "r336", "r337", "r339", "r340", "r341", "r452", "r453", "r454", "r455", "r457", "r458", "r459", "r460", "r461", "r999", "r1220", "r1221", "r1681", "r1682" ] }, "srt_ConsolidationItemsDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ConsolidationItemsDomain", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidation Items [Domain]", "label": "Consolidation Items [Domain]" } } }, "auth_ref": [ "r180", "r271", "r272", "r279", "r283", "r304", "r318", "r333", "r334", "r335", "r336", "r337", "r339", "r340", "r341", "r452", "r453", "r454", "r455", "r457", "r458", "r459", "r460", "r461", "r999", "r1220", "r1221", "r1681", "r1682" ] }, "us-gaap_ConsolidationPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConsolidationPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Consolidation Policy", "label": "Consolidation, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary." } } }, "auth_ref": [ "r77", "r1211" ] }, "us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Noncontrolling Interests in Consolidated Affiliates", "label": "Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for subsidiaries or other investments that are consolidated, including the accounting treatment for intercompany accounts or transactions and any noncontrolling interest." } } }, "auth_ref": [ "r190" ] }, "us-gaap_ConstructionInProgressGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ConstructionInProgressGross", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Construction in progress", "label": "Construction in Progress, Gross", "documentation": "Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service." } } }, "auth_ref": [ "r140" ] }, "nvl_ContributionForFinancingOfSocialSecurityTaxCredit": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ContributionForFinancingOfSocialSecurityTaxCredit", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contribution for financing of social security, tax credit", "label": "Contribution For Financing of Social Security, Tax Credit", "documentation": "Contribution For Financing of Social Security, Tax Credit" } } }, "auth_ref": [] }, "nvl_ContributionsToEquityMethodInvestee": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ContributionsToEquityMethodInvestee", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions to equity method investee", "label": "Contributions To Equity Method Investee", "documentation": "Contributions To Equity Method Investee" } } }, "auth_ref": [] }, "us-gaap_CorporateNonSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CorporateNonSegmentMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Corporate, Non-Segment", "label": "Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]", "documentation": "Corporate headquarters or functional department that may not earn revenues or may earn revenues that are only incidental to the activities of the entity and is not considered an operating segment." } } }, "auth_ref": [ "r29", "r334", "r335", "r336", "r337", "r340", "r1624" ] }, "us-gaap_CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails": { "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of goods sold (exclusive of depreciation and amortization)", "label": "Cost of Goods and Service, Excluding Depreciation, Depletion, and Amortization", "documentation": "Cost of product sold and service rendered, excluding depreciation, depletion, and amortization." } } }, "auth_ref": [ "r1206", "r1207", "r1515", "r1516" ] }, "us-gaap_CostOfGoodsTotalMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostOfGoodsTotalMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of Goods Sold", "label": "Cost of Goods and Service Benchmark [Member]", "documentation": "Cost of product sold and service rendered, when it serves as benchmark in concentration of risk calculation." } } }, "auth_ref": [ "r1618", "r1620" ] }, "us-gaap_CostOfRevenue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostOfRevenue", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of Revenue", "label": "Cost of Revenue", "documentation": "The aggregate cost of goods produced and sold and services rendered during the reporting period." } } }, "auth_ref": [ "r120", "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r885", "r1220", "r1681" ] }, "us-gaap_CostOfSalesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostOfSalesMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of goods sold", "label": "Cost of Sales [Member]", "documentation": "Primary financial statement caption encompassing cost of sales." } } }, "auth_ref": [ "r1322" ] }, "us-gaap_CostOfSalesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostOfSalesPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of Goods Sold (Exclusive of Depreciation and Amortization)", "label": "Cost of Goods and Service [Policy Text Block]", "documentation": "Disclosure of accounting policy for cost of product sold and service rendered." } } }, "auth_ref": [ "r1517" ] }, "us-gaap_CostsAndExpenses": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostsAndExpenses", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations" ], "lang": { "en-us": { "role": { "totalLabel": "Total expenses", "label": "Costs and Expenses", "documentation": "Total costs of sales and operating expenses for the period." } } }, "auth_ref": [ "r126" ] }, "us-gaap_CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CostsAssociatedWithExitOrDisposalActivitiesOrRestructuringsPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Activities", "label": "Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for recognizing and reporting costs associated with exiting, disposing of, and restructuring certain operations." } } }, "auth_ref": [ "r31", "r141", "r142" ] }, "srt_CounterpartyNameAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "CounterpartyNameAxis", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Counterparty Name [Axis]", "label": "Counterparty Name [Axis]" } } }, "auth_ref": [ "r271", "r280", "r281", "r467", "r506", "r937", "r947", "r1002", "r1198", "r1200", "r1201", "r1531", "r1532", "r1533", "r1534", "r1535", "r1536", "r1537", "r1538", "r1539", "r1817", "r1818", "r1819", "r1820" ] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "us-gaap_CreditFacilityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CreditFacilityAxis", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Facility [Axis]", "label": "Credit Facility [Axis]", "documentation": "Information by type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing." } } }, "auth_ref": [ "r451", "r1678" ] }, "us-gaap_CreditFacilityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CreditFacilityDomain", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Facility [Domain]", "label": "Credit Facility [Domain]", "documentation": "Type of credit facility. Credit facilities provide capital to borrowers without the need to structure a loan for each borrowing." } } }, "auth_ref": [ "r451", "r1678" ] }, "nvl_CurrencyGainsLossesIncludedInOtherIncomeExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "CurrencyGainsLossesIncludedInOtherIncomeExpenseAbstract", "presentation": [ "http://www.novelis.com/role/CurrencyLossesGainsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Currency (gains) losses included in other income expense", "label": "Currency Gains Losses Included In Other Income Expense [Abstract]", "documentation": "Currency gains losses included in other income expense." } } }, "auth_ref": [] }, "nvl_CurrencyGainsLossesIncludedInOtherIncomeExpenseNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "CurrencyGainsLossesIncludedInOtherIncomeExpenseNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/CurrencyLossesGainsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/CurrencyLossesGainsDetails" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Currency losses, net", "label": "Currency Gains (Losses) Included in Other Income Expense, Net", "documentation": "Currency gains (losses) included in other income expense, net." } } }, "auth_ref": [] }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CurrentFederalTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Domestic (Canada)", "label": "Current Federal Tax Expense (Benefit)", "documentation": "Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1514", "r1596", "r1602", "r1800" ] }, "dei_CurrentFiscalYearEndDate": { "xbrltype": "gMonthDayItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "CurrentFiscalYearEndDate", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Current Fiscal Year End Date", "label": "Current Fiscal Year End Date", "documentation": "End date of current fiscal year in the format --MM-DD." } } }, "auth_ref": [] }, "us-gaap_CurrentForeignTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CurrentForeignTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign (all other countries)", "label": "Current Foreign Tax Expense (Benefit)", "documentation": "Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations." } } }, "auth_ref": [ "r1514", "r1596", "r1602" ] }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CurrentIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total current", "label": "Current Income Tax Expense (Benefit)", "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations." } } }, "auth_ref": [ "r713", "r1596", "r1602" ] }, "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current provision:", "label": "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CurrentStateAndLocalTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CurrentStateAndLocalTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "State tax expense, net", "label": "Current State and Local Tax Expense (Benefit)", "documentation": "Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1514", "r1596", "r1602", "r1800" ] }, "us-gaap_CustomerConcentrationRiskMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CustomerConcentrationRiskMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Customer Concentration Risk", "label": "Customer Concentration Risk [Member]", "documentation": "Reflects the percentage that revenues in the period from one or more significant customers is to net revenues, as defined by the entity, such as total net revenues, product line revenues, segment revenues. The risk is the materially adverse effects of loss of a significant customer." } } }, "auth_ref": [ "r346", "r1618" ] }, "us-gaap_CustomerRelationshipsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "CustomerRelationshipsMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Customer-related Intangible Assets", "label": "Customer Relationships [Member]", "documentation": "Customer relationship that exists between an entity and its customer, for example, but not limited to, tenant relationships." } } }, "auth_ref": [ "r1285", "r1646", "r1647", "r1648", "r1649", "r1651", "r1652", "r1655", "r1656" ] }, "cyd_CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]" } } }, "auth_ref": [ "r1397", "r1486" ] }, "cyd_CybersecurityRiskBoardOfDirectorsOversightTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskBoardOfDirectorsOversightTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Board of Directors Oversight [Text Block]" } } }, "auth_ref": [ "r1397", "r1486" ] }, "cyd_CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementExpertiseOfManagementResponsibleTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Expertise of Management Responsible [Text Block]" } } }, "auth_ref": [ "r1399", "r1488" ] }, "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Positions or Committees Responsible [Flag]" } } }, "auth_ref": [ "r1399", "r1488" ] }, "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleReportToBoardFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]" } } }, "auth_ref": [ "r1401", "r1490" ] }, "cyd_CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementPositionsOrCommitteesResponsibleTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Positions or Committees Responsible [Text Block]" } } }, "auth_ref": [ "r1399", "r1488" ] }, "cyd_CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementProcessesForAssessingIdentifyingAndManagingThreatsTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]" } } }, "auth_ref": [ "r1392", "r1481" ] }, "cyd_CybersecurityRiskManagementProcessesIntegratedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementProcessesIntegratedFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Processes Integrated [Flag]" } } }, "auth_ref": [ "r1393", "r1482" ] }, "cyd_CybersecurityRiskManagementProcessesIntegratedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementProcessesIntegratedTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Processes Integrated [Text Block]" } } }, "auth_ref": [ "r1393", "r1482" ] }, "cyd_CybersecurityRiskManagementStrategyAndGovernanceAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementStrategyAndGovernanceAbstract", "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management, Strategy, and Governance [Abstract]" } } }, "auth_ref": [ "r1391", "r1480" ] }, "cyd_CybersecurityRiskManagementStrategyAndGovernanceLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementStrategyAndGovernanceLineItems", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management, Strategy, and Governance [Line Items]" } } }, "auth_ref": [ "r1391", "r1480" ] }, "cyd_CybersecurityRiskManagementStrategyAndGovernanceTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementStrategyAndGovernanceTable", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management, Strategy, and Governance [Table]" } } }, "auth_ref": [ "r1391", "r1480" ] }, "cyd_CybersecurityRiskManagementThirdPartyEngagedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskManagementThirdPartyEngagedFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Management Third Party Engaged [Flag]" } } }, "auth_ref": [ "r1394", "r1483" ] }, "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]" } } }, "auth_ref": [ "r1396", "r1485" ] }, "cyd_CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskMateriallyAffectedOrReasonablyLikelyToMateriallyAffectRegistrantTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]" } } }, "auth_ref": [ "r1396", "r1485" ] }, "cyd_CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskProcessForInformingBoardCommitteeOrSubcommitteeResponsibleForOversightTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]" } } }, "auth_ref": [ "r1397", "r1486" ] }, "cyd_CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskProcessForInformingManagementOrCommitteesResponsibleTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]" } } }, "auth_ref": [ "r1400", "r1489" ] }, "cyd_CybersecurityRiskRoleOfManagementTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskRoleOfManagementTextBlock", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Role of Management [Text Block]" } } }, "auth_ref": [ "r1398", "r1487" ] }, "cyd_CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/cyd/2025", "localname": "CybersecurityRiskThirdPartyOversightAndIdentificationProcessesFlag", "presentation": [ "http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure" ], "lang": { "en-us": { "role": { "label": "Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]" } } }, "auth_ref": [ "r1395", "r1484" ] }, "country_DE": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "DE", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Germany", "label": "GERMANY" } } }, "auth_ref": [] }, "us-gaap_DebtAndCapitalLeaseObligations": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtAndCapitalLeaseObligations", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt and Lease Obligation", "label": "Debt and Lease Obligation", "documentation": "Amount of short-term and long-term debt and lease obligation." } } }, "auth_ref": [ "r167", "r170" ] }, "us-gaap_DebtDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Debt Disclosure [Abstract]", "label": "Debt Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DebtDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/Debt" ], "lang": { "en-us": { "role": { "verboseLabel": "11. DEBT", "label": "Debt Disclosure [Text Block]", "documentation": "The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants." } } }, "auth_ref": [ "r145", "r271", "r273", "r414", "r415", "r416", "r417", "r418", "r450", "r451", "r463", "r469", "r470", "r471", "r472", "r473", "r474", "r479", "r486", "r487", "r489", "r831", "r909" ] }, "us-gaap_DebtInstrumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentAxis", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument [Axis]", "label": "Debt Instrument [Axis]", "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities." } } }, "auth_ref": [ "r32", "r89", "r90", "r167", "r170", "r464", "r465", "r466", "r467", "r468", "r470", "r475", "r476", "r477", "r478", "r480", "r481", "r482", "r483", "r484", "r485", "r1238", "r1239", "r1240", "r1241", "r1242", "r1334", "r1596", "r1597", "r1599", "r1606", "r1659", "r1660", "r1661", "r1850", "r1852", "r1867" ] }, "us-gaap_DebtInstrumentBasisSpreadOnVariableRate1": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentBasisSpreadOnVariableRate1", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable rate", "label": "Debt Instrument, Basis Spread on Variable Rate", "documentation": "Percentage points added to the reference rate to compute the variable rate on the debt instrument." } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentCarryingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentCarryingAmount", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtScheduleofDebtDetails": { "parentTag": "us-gaap_DebtLongtermAndShorttermCombinedAmount", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term debt, principal", "label": "Long-Term Debt, Gross", "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt." } } }, "auth_ref": [ "r32", "r170", "r490" ] }, "nvl_DebtInstrumentCovenantMaximumFixedChargeCoverageRatio": { "xbrltype": "pureItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentCovenantMaximumFixedChargeCoverageRatio", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum fixed charge coverage ratio", "label": "Debt Instrument, Covenant, Maximum Fixed Charge Coverage Ratio", "documentation": "Maximum fixed charge coverage ratio required under certain terms of debt covenant." } } }, "auth_ref": [] }, "nvl_DebtInstrumentCovenantMinimumAmountForExcessAvailabilityUnderAblRevolver": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentCovenantMinimumAmountForExcessAvailabilityUnderAblRevolver", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum amount for excess availability", "label": "Debt Instrument, Covenant, Minimum Amount for Excess Availability under ABL Revolver", "documentation": "Debt Instrument, Covenant, Minimum Amount for Excess Availability under ABL Revolver" } } }, "auth_ref": [] }, "nvl_DebtInstrumentCovenantPercentageAppliedOnLesserOfAblRevolverCommitmentAndApplicableBorrowingBase": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentCovenantPercentageAppliedOnLesserOfAblRevolverCommitmentAndApplicableBorrowingBase", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Commitment and applicable borrowing base", "label": "Debt Instrument, Covenant, Percentage Applied on Lesser of ABL Revolver Commitment and Applicable Borrowing Base", "documentation": "Debt Instrument, Covenant, Percentage Applied on Lesser of ABL Revolver Commitment and Applicable Borrowing Base" } } }, "auth_ref": [] }, "nvl_DebtInstrumentCovenantSeniorNetLeverageRatio": { "xbrltype": "pureItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentCovenantSeniorNetLeverageRatio", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt covenant, senior net leverage ratio", "label": "Debt Instrument, Covenant, Senior Net Leverage Ratio", "documentation": "Debt Instrument, Covenant, Senior Net Leverage Ratio" } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentFaceAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentFaceAmount", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Principal amount", "label": "Debt Instrument, Face Amount", "documentation": "Face (par) amount of debt instrument at time of issuance." } } }, "auth_ref": [ "r464", "r909", "r910", "r1239", "r1240", "r1334" ] }, "us-gaap_DebtInstrumentFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentFairValue", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument, Fair Value Disclosure", "label": "Debt Instrument, Fair Value Disclosure", "documentation": "Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable." } } }, "auth_ref": [ "r477", "r878", "r879", "r880", "r883", "r1239", "r1240", "r1825", "r1826", "r1827", "r1828", "r1835" ] }, "us-gaap_DebtInstrumentInterestRateDuringPeriod": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentInterestRateDuringPeriod", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate at period end", "label": "Debt Instrument, Interest Rate During Period", "documentation": "The average effective interest rate during the reporting period." } } }, "auth_ref": [ "r92", "r482", "r1850" ] }, "us-gaap_DebtInstrumentInterestRateEffectivePercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentInterestRateEffectivePercentage", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rates", "label": "Debt Instrument, Interest Rate, Effective Percentage", "documentation": "Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium." } } }, "auth_ref": [ "r92", "r493", "r909", "r910", "r1334" ] }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentInterestRateStatedPercentage", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate", "label": "Debt Instrument, Interest Rate, Stated Percentage", "documentation": "Contractual interest rate for funds borrowed, under the debt agreement." } } }, "auth_ref": [ "r92", "r465" ] }, "us-gaap_DebtInstrumentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentLineItems", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument [Line Items]", "label": "Debt Instrument [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r464", "r465", "r466", "r467", "r468", "r470", "r475", "r476", "r477", "r478", "r480", "r481", "r482", "r483", "r484", "r485", "r488", "r831", "r999", "r1238", "r1239", "r1240", "r1241", "r1242", "r1334", "r1596", "r1597", "r1599", "r1606", "r1850", "r1852" ] }, "nvl_DebtInstrumentModificationAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentModificationAmount", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Modification amount", "label": "Debt Instrument, Modification Amount", "documentation": "Debt Instrument, Modification Amount" } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentNameDomain", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument, Name [Domain]", "label": "Debt Instrument, Name [Domain]", "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities." } } }, "auth_ref": [ "r32", "r464", "r465", "r466", "r467", "r468", "r470", "r475", "r476", "r477", "r478", "r480", "r481", "r482", "r483", "r484", "r485", "r1238", "r1239", "r1240", "r1241", "r1242", "r1334", "r1596", "r1597", "r1599", "r1606", "r1659", "r1660", "r1661", "r1850", "r1852", "r1867" ] }, "nvl_DebtInstrumentPercentageoftheLesserofTotalRevolverCommitmenttoApplicableBorrowingBase": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentPercentageoftheLesserofTotalRevolverCommitmenttoApplicableBorrowingBase", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Applicable borrowing base", "label": "Debt Instrument, Percentage of the Lesser of Total Revolver Commitment to Applicable Borrowing Base", "documentation": "Debt Instrument, Percentage of the Lesser of Total Revolver Commitment to Applicable Borrowing Base" } } }, "auth_ref": [] }, "nvl_DebtInstrumentPeriodOfIndebtedness": { "xbrltype": "durationItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentPeriodOfIndebtedness", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Period of indebtedness", "label": "Debt Instrument, Period of Indebtedness", "documentation": "Debt Instrument, Period of Indebtedness" } } }, "auth_ref": [] }, "nvl_DebtInstrumentQuarterlyAmortizationPaymentsPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentQuarterlyAmortizationPaymentsPercent", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Quarterly amortization payments, percent", "label": "Debt Instrument, Quarterly Amortization Payments, Percent", "documentation": "Debt Instrument, Quarterly Amortization Payments, Percent" } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentTable", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Long-term Debt Instruments [Table]", "label": "Schedule of Long-Term Debt Instruments [Table]", "documentation": "Disclosure of information about long-term debt instrument or arrangement." } } }, "auth_ref": [ "r32", "r64", "r65", "r86", "r146", "r147", "r464", "r465", "r466", "r467", "r468", "r470", "r475", "r476", "r477", "r478", "r480", "r481", "r482", "r483", "r484", "r485", "r488", "r831", "r999", "r1238", "r1239", "r1240", "r1241", "r1242", "r1334", "r1596", "r1597", "r1599", "r1606", "r1850", "r1852" ] }, "nvl_DebtInstrumentUnamortizedCarryingValueAdjustment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtInstrumentUnamortizedCarryingValueAdjustment", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unamortized Carrying Value Adjustments, total debt", "label": "Debt Instrument, Unamortized Carrying Value Adjustment", "documentation": "Unamortized carrying value adjustment of debt instrument (including both long-term debt and capital lease obligations)." } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentUnamortizedDiscount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentUnamortizedDiscount", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt discount", "label": "Debt Instrument, Unamortized Discount", "documentation": "Amount, after accumulated amortization, of debt discount." } } }, "auth_ref": [ "r1686", "r1849", "r1850", "r1852" ] }, "us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net", "label": "Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net", "documentation": "Amount of unamortized debt discount (premium) and debt issuance costs." } } }, "auth_ref": [ "r475", "r491", "r908", "r909", "r910", "r1239", "r1240", "r1334" ] }, "us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtInstrumentUnamortizedDiscountPremiumNet", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unamortized Carrying Value Adjustments", "label": "Debt Instrument, Unamortized Discount (Premium), Net", "documentation": "Amount, after accumulated amortization, of debt discount (premium)." } } }, "auth_ref": [ "r1686", "r1849", "r1850", "r1852" ] }, "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total debt", "label": "Debt, Long-term and Short-term, Combined Amount, Principal Amount", "documentation": "Including short-term borrowing and current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any)." } } }, "auth_ref": [] }, "us-gaap_DebtLongtermAndShorttermCombinedAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DebtLongtermAndShorttermCombinedAmount", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtScheduleofDebtDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total debt, carrying value", "label": "Debt, Long-Term and Short-Term, Combined Amount", "documentation": "Represents the aggregate of total long-term debt, including current maturities and short-term debt." } } }, "auth_ref": [] }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredFederalIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Domestic (Canada)", "label": "Deferred Federal Income Tax Expense (Benefit)", "documentation": "Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1596", "r1602", "r1799", "r1800" ] }, "us-gaap_DeferredFinanceCostsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredFinanceCostsGross", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt issuance costs, gross", "label": "Debt Issuance Costs, Gross", "documentation": "Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs." } } }, "auth_ref": [ "r1850", "r1852" ] }, "us-gaap_DeferredFinanceCostsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredFinanceCostsNet", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt issuance costs, net", "label": "Debt Issuance Costs, Net", "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs." } } }, "auth_ref": [ "r1686", "r1849", "r1850", "r1852" ] }, "us-gaap_DeferredForeignIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredForeignIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign (all other countries)", "label": "Deferred Foreign Income Tax Expense (Benefit)", "documentation": "Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations." } } }, "auth_ref": [ "r1596", "r1602", "r1799" ] }, "us-gaap_DeferredIncomeTaxAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredIncomeTaxAssetsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred income tax assets", "label": "Deferred Income Tax Assets, Net", "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting." } } }, "auth_ref": [ "r677", "r678" ] }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred income taxes", "totalLabel": "Total deferred", "label": "Deferred Income Tax Expense (Benefit)", "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations." } } }, "auth_ref": [ "r12", "r196", "r1596", "r1602" ] }, "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred provision:", "label": "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DeferredIncomeTaxLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredIncomeTaxLiabilities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total deferred income tax liabilities", "label": "Deferred Tax Liabilities, Gross", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences." } } }, "auth_ref": [ "r97", "r98", "r169", "r704" ] }, "us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAndOtherLiabilitiesNoncurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred income tax liabilities", "label": "Deferred Tax and Other Liabilities, Noncurrent", "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting, and liabilities classified as noncurrent and other." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsGross", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total deferred income tax assets", "label": "Deferred Tax Assets, Gross", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards." } } }, "auth_ref": [ "r705" ] }, "us-gaap_DeferredTaxAssetsGrossAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsGrossAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred income tax assets:", "label": "Deferred Tax Assets, Gross [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsLiabilitiesNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Net deferred income tax (assets) liabilities", "label": "Deferred Tax Assets, Net", "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting." } } }, "auth_ref": [ "r1792" ] }, "us-gaap_DeferredTaxAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net deferred income tax assets", "label": "Deferred Tax Assets, Net of Valuation Allowance", "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards." } } }, "auth_ref": [ "r1792" ] }, "nvl_DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DeferredTaxAssetsOperatingLossAndTaxCreditCarryforwards", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax losses/benefit carryforwards, net", "label": "Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards and to other deductible tax credit carryforwards not separately disclosed." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsOther", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails", "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other assets", "verboseLabel": "Other deferred tax assets", "label": "Deferred Tax Assets, Other", "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other." } } }, "auth_ref": [ "r1797" ] }, "nvl_DeferredTaxAssetsOtherValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DeferredTaxAssetsOtherValuationAllowance", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other deferred taxes, valuation allowance", "label": "Deferred Tax Assets, Other, Valuation Allowance", "documentation": "Deferred Tax Assets, Other, Valuation Allowance" } } }, "auth_ref": [] }, "nvl_DeferredTaxAssetsPropertyPlantAndEquipmentAndIntangibles": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DeferredTaxAssetsPropertyPlantAndEquipmentAndIntangibles", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation and amortization", "label": "Deferred Tax Assets, Property, Plant and Equipment and Intangibles", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment and intangible assets." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Provisions not currently deductible for tax purposes", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other", "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves and accruals, classified as other." } } }, "auth_ref": [ "r1797" ] }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxAssetsValuationAllowance", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails", "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesValuationAllowanceDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Valuation allowance, beginning of period", "periodEndLabel": "Valuation allowance, end of period", "negatedTerseLabel": "Less: valuation allowance", "negatedLabel": "Deferred tax assets, valuation allowance", "label": "Deferred Tax Assets, Valuation Allowance", "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized." } } }, "auth_ref": [ "r706" ] }, "us-gaap_DeferredTaxLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxLiabilities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net deferred income tax (assets) liabilities", "label": "Deferred Tax Liabilities, Net", "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting." } } }, "auth_ref": [ "r1792" ] }, "us-gaap_DeferredTaxLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxLiabilitiesAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred income tax liabilities:", "label": "Deferred Tax Liabilities, Gross [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Inventory valuation reserves", "label": "Deferred Tax Liabilities, Inventory", "documentation": "Amount of deferred tax consequences attributable to taxable temporary differences derived from inventory." } } }, "auth_ref": [ "r1797" ] }, "nvl_DeferredTaxLiabilitiesMonetaryExchangeGainsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DeferredTaxLiabilitiesMonetaryExchangeGainsNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Monetary exchange gains, net", "label": "Deferred Tax Liabilities, Monetary Exchange Gains, net", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from net monetary exchange gains" } } }, "auth_ref": [] }, "us-gaap_DeferredTaxLiabilitiesOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DeferredTaxLiabilitiesOther", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other liabilities", "label": "Deferred Tax Liabilities, Other", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences classified as other." } } }, "auth_ref": [ "r1797" ] }, "nvl_DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndIntangibles": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DeferredTaxLiabilitiesPropertyPlantAndEquipmentAndIntangibles", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails": { "parentTag": "us-gaap_DeferredIncomeTaxLiabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDeferredTaxAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation and amortization", "label": "Deferred Tax Liabilities, Property, Plant and Equipment and Intangibles", "documentation": "Amount of deferred tax liabilities attributable to taxable temporary differences from property, plant, and equipment and intangible assets." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAccumulatedBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Accumulated Benefit Obligation", "label": "Defined Benefit Plan, Accumulated Benefit Obligation", "documentation": "Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level." } } }, "auth_ref": [ "r547", "r582" ] }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total postretirement amounts recognized in accumulated other comprehensive loss", "periodStartLabel": "Beginning balance in accumulated other comprehensive loss", "periodEndLabel": "Total postretirement amounts recognized in accumulated other comprehensive loss", "label": "Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax", "documentation": "Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit)." } } }, "auth_ref": [ "r3", "r4", "r34", "r115", "r1733" ] }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails": { "parentTag": "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Net actuarial gains (losses)", "label": "Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax", "documentation": "Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit." } } }, "auth_ref": [ "r34", "r559", "r587" ] }, "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails": { "parentTag": "us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Prior service credit", "label": "Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax", "documentation": "Amount, before tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit)." } } }, "auth_ref": [ "r34", "r559", "r587" ] }, "us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanActualReturnOnPlanAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Actual return on plan assets", "label": "Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)", "documentation": "Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses." } } }, "auth_ref": [ "r529", "r1258" ] }, "us-gaap_DefinedBenefitPlanActuarialGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanActuarialGainLoss", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Actuarial gains", "label": "Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)", "documentation": "Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan." } } }, "auth_ref": [ "r522" ] }, "us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAmortizationOfGainsLosses", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Amortization \u2014 losses (gains), net (gains (losses), net)", "label": "Defined Benefit Plan, Amortization of Gain (Loss)", "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan." } } }, "auth_ref": [ "r516", "r554", "r601", "r1258", "r1259" ] }, "us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAmortizationOfPriorServiceCostCredit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amortization \u2014 prior service credit", "label": "Defined Benefit Plan, Amortization of Prior Service Cost (Credit)", "documentation": "Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan." } } }, "auth_ref": [ "r516", "r555", "r602", "r1258", "r1259" ] }, "us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossNetGainLossBeforeTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net actuarial gains (losses)", "label": "Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Reclassification Adjustment, before Tax", "documentation": "Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan." } } }, "auth_ref": [ "r115", "r116", "r149" ] }, "us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Prior service cost", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), after Reclassification Adjustment, before Tax", "documentation": "Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income from prior service cost (credit) of defined benefit plan." } } }, "auth_ref": [ "r3", "r116", "r149" ] }, "us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails": { "parentTag": "us-gaap_DefinedBenefitPlanFundedStatusOfPlan", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other long\u2013term assets", "label": "Assets for Plan Benefits, Defined Benefit Plan", "documentation": "Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans." } } }, "auth_ref": [ "r165", "r513", "r514", "r537", "r585", "r1114", "r1258", "r1868" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average assumptions used to determine benefit obligations, Discount rate", "label": "Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate", "documentation": "Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan." } } }, "auth_ref": [ "r561", "r589" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average assumptions used to determine benefit obligations, Average compensation growth", "label": "Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase", "documentation": "Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan." } } }, "auth_ref": [ "r562", "r590" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average assumptions used to determine net periodic benefit cost, Discount rate", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate", "documentation": "Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan." } } }, "auth_ref": [ "r561", "r589" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Expected long-term rate of return on plan assets", "terseLabel": "Weighted average assumptions used to determine net periodic benefit cost, Expected return on plan assets", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets", "documentation": "Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan." } } }, "auth_ref": [ "r563", "r591", "r607" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average assumptions used to determine net periodic benefit cost, Average compensation growth", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase", "documentation": "Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan." } } }, "auth_ref": [ "r562", "r590" ] }, "us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostWeightedAverageInterestCreditingRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostWeightedAverageInterestCreditingRate", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate", "label": "Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate", "documentation": "Weighted-average interest crediting rate used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate." } } }, "auth_ref": [ "r564", "r592" ] }, "us-gaap_DefinedBenefitPlanBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Benefit obligation at beginning of period", "periodEndLabel": "Benefit obligation at end of period", "negatedTerseLabel": "Benefit obligation of unfunded plans", "terseLabel": "Defined Benefit Plan, Benefit Obligation", "label": "Defined Benefit Plan, Benefit Obligation", "documentation": "Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan." } } }, "auth_ref": [ "r517", "r576" ] }, "us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanBenefitObligationBenefitsPaid", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Benefits paid", "negatedLabel": "Benefits paid", "label": "Defined Benefit Plan, Benefit Obligation, Benefits Paid", "documentation": "Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services." } } }, "auth_ref": [ "r524", "r577", "r610" ] }, "us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Members' contributions", "label": "Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant", "documentation": "Amount of contributions received by defined benefit plan from participant which increase benefit obligation." } } }, "auth_ref": [ "r521" ] }, "us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanBenefitObligationPaymentForSettlement", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Payment for settlement", "label": "Defined Benefit Plan, Benefit Obligation, Payment for Settlement", "documentation": "Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement." } } }, "auth_ref": [ "r1695" ] }, "us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanByPlanAssetCategoriesAxis", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Asset Categories [Axis]", "label": "Defined Benefit Plan, Plan Assets, Category [Axis]", "documentation": "Information by defined benefit plan asset investment." } } }, "auth_ref": [ "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r566", "r578", "r579", "r580", "r594", "r1253", "r1254", "r1255", "r1256", "r1258" ] }, "us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanChangeInBenefitObligationRollForward", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]", "label": "Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]", "label": "Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanContributionsByEmployer": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanContributionsByEmployer", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Company contributions", "label": "Defined Benefit Plan, Plan Assets, Contributions by Employer", "documentation": "Amount of contribution received by defined benefit plan from employer which increases plan assets." } } }, "auth_ref": [ "r531", "r541", "r577", "r579", "r605", "r1253", "r1254", "r1255", "r1256", "r1258", "r1259" ] }, "nvl_DefinedBenefitPlanCurtailmentsSettlementsAndSpecialTerminationBenefits": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedBenefitPlanCurtailmentsSettlementsAndSpecialTerminationBenefits", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Curtailments, settlements and special termination benefits", "label": "Defined Benefit Plan, Curtailments, Settlements, and Special Termination Benefits", "documentation": "The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services. And/or The amount of decrease that relates to an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include (a) making lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and (b) purchasing nonparticipating annuity contracts. And/or The amount of increase related to special termination benefits offered to and accepted by employees in connection with their termination of employment that are only offered for a short period of time. A situation involving termination benefits may also involve a curtailment." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanDisclosureLineItems", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan Disclosure [Line Items]", "label": "Defined Benefit Plan Disclosure [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r575", "r576", "r577", "r578", "r580", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r606" ] }, "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedBenefitPlanExpectedFutureBenefitPayment", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Defined Benefit Plan, Expected Future Benefit Payment", "documentation": "Defined Benefit Plan, Expected Future Benefit Payment" } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2032 through 2036", "label": "Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years", "documentation": "Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year One", "documentation": "Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2031", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Five", "documentation": "Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2030", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Four", "documentation": "Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2029", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Three", "documentation": "Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails": { "parentTag": "nvl_DefinedBenefitPlanExpectedFutureBenefitPayment", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Defined Benefit Plan, Expected Future Benefit Payment, Year Two", "documentation": "Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year." } } }, "auth_ref": [ "r548", "r583" ] }, "us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanExpectedReturnOnPlanAssets", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Expected return on assets", "label": "Defined Benefit Plan, Expected Return (Loss) on Plan Assets", "documentation": "Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan." } } }, "auth_ref": [ "r516", "r553", "r600", "r1258", "r1259" ] }, "us-gaap_DefinedBenefitPlanFairValueOfPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanFairValueOfPlanAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Fair value of plan assets at beginning of period", "periodEndLabel": "Fair value of plan assets at end of period", "terseLabel": "Defined Benefit Plan, Fair Value of Plan Assets", "verboseLabel": "Pension plan assets", "label": "Defined Benefit Plan, Plan Assets, Amount", "documentation": "Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee." } } }, "auth_ref": [ "r528", "r539", "r541", "r542", "r576", "r578", "r579", "r1253", "r1254", "r1255", "r1256", "r1258" ] }, "us-gaap_DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanForeignCurrencyExchangeRateChangesBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Currency losses (gains)", "label": "Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss)", "documentation": "Amount of foreign currency translation gain (loss) which (increases) decreases benefit obligation of defined benefit plan." } } }, "auth_ref": [ "r523" ] }, "us-gaap_DefinedBenefitPlanFundedStatusOfPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanFundedStatusOfPlan", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Defined Benefit Plan, Funded (Unfunded) Status of Plan, Total", "label": "Defined Benefit Plan, Funded (Unfunded) Status of Plan", "documentation": "Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status." } } }, "auth_ref": [ "r513", "r537", "r576", "r1258" ] }, "us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Health care cost trend rate assumed", "label": "Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year", "documentation": "Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status." } } }, "auth_ref": [ "r565" ] }, "us-gaap_DefinedBenefitPlanInterestCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanInterestCost", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest cost", "label": "Defined Benefit Plan, Interest Cost", "documentation": "Amount of cost recognized for passage of time related to defined benefit plan." } } }, "auth_ref": [ "r516", "r520", "r552", "r599", "r1258", "r1259" ] }, "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanNetPeriodicBenefitCost", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "nvl_DefinedBenefitPlanNetPeriodicBenefitCostIncludingProportionateShareOfNonConsolidatedAffiliates", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net periodic benefit cost", "terseLabel": "Non-operating net periodic benefit cost", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit)", "documentation": "Amount of net periodic benefit cost (credit) for defined benefit plan." } } }, "auth_ref": [ "r550", "r596", "r597", "r1258", "r1259" ] }, "nvl_DefinedBenefitPlanNetPeriodicBenefitCostAttributableToProportionateShareOfNonConsolidatedAffiliates": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedBenefitPlanNetPeriodicBenefitCostAttributableToProportionateShareOfNonConsolidatedAffiliates", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "nvl_DefinedBenefitPlanNetPeriodicBenefitCostIncludingProportionateShareOfNonConsolidatedAffiliates", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Proportionate share of non-consolidated affiliates' pension costs", "label": "Defined Benefit Plan, Net Periodic Benefit Cost, Attributable to Proportionate Share of Non-consolidated Affiliates", "documentation": "Defined Benefit Plan, Net Periodic Benefit Cost, Attributable to Proportionate Share of Non-consolidated Affiliates" } } }, "auth_ref": [] }, "nvl_DefinedBenefitPlanNetPeriodicBenefitCostIncludingProportionateShareOfNonConsolidatedAffiliates": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedBenefitPlanNetPeriodicBenefitCostIncludingProportionateShareOfNonConsolidatedAffiliates", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total net periodic benefit cost recognized", "label": "Defined Benefit Plan, Net Periodic Benefit Cost, Including Proportionate Share of Non-consolidated Affiliates", "documentation": "Defined Benefit Plan, Net Periodic Benefit Cost, Including Proportionate Share of Non-consolidated Affiliates" } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanOtherCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanOtherCosts", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Other", "label": "Defined Benefit Plan, Other Cost (Credit)", "documentation": "Amount of defined benefit plan cost (credit), classified as other." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsPlanAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets", "label": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets", "documentation": "Amount of plan asset for defined benefit pension plan with projected benefit obligation in excess of plan assets." } } }, "auth_ref": [ "r573", "r1258" ] }, "us-gaap_DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPensionPlanWithProjectedBenefitObligationInExcessOfPlanAssetsProjectedBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation", "label": "Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation", "documentation": "Amount of projected benefit obligation for defined benefit pension plan with projected benefit obligation in excess of plan assets." } } }, "auth_ref": [ "r573", "r1258" ] }, "us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pension plans with accumulated benefit obligations in excess of plan assets, accumulated benefit obligation", "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation", "documentation": "Amount of accumulated benefit obligation for defined benefit plan with accumulated benefit obligation in excess of plan assets." } } }, "auth_ref": [ "r573", "r574", "r1258" ] }, "us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pension plans with accumulated benefit obligations in excess of plan assets, fair value of plan assets", "label": "Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets", "documentation": "Amount of plan asset for defined benefit plan with accumulated benefit obligation in excess of plan assets." } } }, "auth_ref": [ "r573", "r574", "r1258" ] }, "us-gaap_DefinedBenefitPlanPlanAmendments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPlanAmendments", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Amendments", "label": "Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment", "documentation": "Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan." } } }, "auth_ref": [ "r525", "r1257" ] }, "us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPlanAssetsBenefitsPaid", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Benefits paid", "negatedLabel": "Benefits paid", "label": "Defined Benefit Plan, Plan Assets, Benefits Paid", "documentation": "Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services." } } }, "auth_ref": [ "r533", "r577", "r1757" ] }, "us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Members' contributions", "label": "Defined Benefit Plan, Plan Assets, Contributions by Plan Participant", "documentation": "Amount of contributions received by defined benefit plan from participant which increases plan assets." } } }, "auth_ref": [ "r532", "r577" ] }, "us-gaap_DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPlanAssetsForeignCurrencyTranslationGainLoss", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Currency gains", "label": "Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss)", "documentation": "Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan." } } }, "auth_ref": [ "r530" ] }, "us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanPlanAssetsTargetAllocationPercentage", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Target Allocation Ranges", "label": "Defined Benefit Plan, Plan Assets, Target Allocation, Percentage", "documentation": "Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan." } } }, "auth_ref": [ "r538", "r1258" ] }, "us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Gain (loss) due to settlement", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement", "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement." } } }, "auth_ref": [ "r515", "r557", "r604" ] }, "us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Settlement/curtailment (gain) loss", "terseLabel": "Settlement/curtailment gain", "label": "Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment", "documentation": "Amount of gain (loss) recognized in net periodic benefit (cost) credit from settlement and curtailment." } } }, "auth_ref": [ "r1692", "r1731", "r1754" ] }, "us-gaap_DefinedBenefitPlanServiceCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanServiceCost", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails": { "parentTag": "us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Service cost", "label": "Defined Benefit Plan, Service Cost", "documentation": "Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan." } } }, "auth_ref": [ "r518", "r551", "r598", "r1258", "r1259" ] }, "us-gaap_DefinedBenefitPlanSettlementsPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanSettlementsPlanAssets", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plan, Plan Assets, Payment for Settlement", "negatedLabel": "Settlements", "label": "Defined Benefit Plan, Plan Assets, Payment for Settlement", "documentation": "Amount of payment, which decreases plan assets of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract." } } }, "auth_ref": [ "r536" ] }, "us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanUltimateHealthCareCostTrendRate1", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Ultimate health care cost trend rate", "label": "Defined Benefit Plan, Ultimate Health Care Cost Trend Rate", "documentation": "Ultimate trend rate for health care cost for defined benefit postretirement plan." } } }, "auth_ref": [ "r565", "r593" ] }, "us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlanWeightedAverageAssetAllocations", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Asset allocation", "verboseLabel": "Allocation in aggregate", "label": "Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage", "documentation": "Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan." } } }, "auth_ref": [ "r1714" ] }, "us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]", "label": "Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table]", "documentation": "Disclosure of information about defined benefit pension plans or other postretirement defined benefit plans. The arrangements are generally based on terms and conditions stipulated by the entity, and which contain a promise by the employer to pay certain amounts or awards at designated future dates, including a period after retirement, upon compliance with stipulated requirements. Excludes disclosures pertaining to defined contribution plans." } } }, "auth_ref": [ "r17", "r67", "r68", "r69", "r70" ] }, "us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]", "label": "Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "nvl_DefinedBenefitPlansothercosts": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedBenefitPlansothercosts", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Other", "label": "Defined Benefit Plans, other costs", "documentation": "Defined Benefit Plans, other costs" } } }, "auth_ref": [] }, "us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DefinedContributionPlanEmployerDiscretionaryContributionAmount", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Employer discretionary contribution amount", "label": "Defined Contribution Plan, Employer Discretionary Contribution Amount", "documentation": "Amount of discretionary contributions made by an employer to a defined contribution plan." } } }, "auth_ref": [] }, "nvl_DefinedContributionPlanEmployersContributionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedContributionPlanEmployersContributionAbstract", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Contributions to employee benefit plans", "label": "Defined Contribution Plan Employers Contribution [Abstract]", "documentation": "Defined contribution plan employers contribution." } } }, "auth_ref": [] }, "nvl_DefinedContributionPlanEmployersContributionToFundedPensionPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedContributionPlanEmployersContributionToFundedPensionPlan", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails": { "parentTag": "us-gaap_PensionAndOtherPostretirementBenefitContributions", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Funded pension plans", "label": "Defined Contribution Plan Employers Contribution To Funded Pension Plan", "documentation": "Defined contribution plan employers contribution to funded pension plan." } } }, "auth_ref": [] }, "nvl_DefinedContributionPlanEmployersContributionToSavingsAndDefinedContributionPensionPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedContributionPlanEmployersContributionToSavingsAndDefinedContributionPensionPlan", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails": { "parentTag": "us-gaap_PensionAndOtherPostretirementBenefitContributions", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Savings and defined contribution pension plans", "label": "Defined Contribution Plan Employers Contribution To Savings And Defined Contribution Pension Plan", "documentation": "Defined contribution plan employers contribution to savings and defined contribution pension plan." } } }, "auth_ref": [] }, "nvl_DefinedContributionPlanEmployersContributionToUnfundedPensionPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DefinedContributionPlanEmployersContributionToUnfundedPensionPlan", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails": { "parentTag": "us-gaap_PensionAndOtherPostretirementBenefitContributions", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Unfunded pension plans", "label": "Defined Contribution Plan Employers Contribution To Unfunded Pension Plan", "documentation": "Defined contribution plan employer's contribution to unfunded pension plan." } } }, "auth_ref": [] }, "us-gaap_Depreciation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Depreciation", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentDepreciationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation expense related to property, plant and equipment, net included in depreciation and amortization", "label": "Depreciation", "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation." } } }, "auth_ref": [ "r12", "r57", "r258", "r1203", "r1205", "r1207", "r1209" ] }, "us-gaap_DepreciationDepletionAndAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DepreciationDepletionAndAmortization", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation and amortization", "verboseLabel": "Depreciation and amortization", "negatedLabel": "Depreciation and amortization", "label": "Depreciation, Depletion and Amortization", "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets." } } }, "auth_ref": [ "r12", "r260", "r304", "r321", "r339", "r1203", "r1220", "r1221" ] }, "nvl_DepreciationandAmortizationMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DepreciationandAmortizationMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Depreciation and amortization", "label": "Depreciation and Amortization [Member]", "documentation": "Depreciation and Amortization [Member]" } } }, "auth_ref": [] }, "nvl_DerivativeAssetMasterNettingAdjustment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DerivativeAssetMasterNettingAdjustment", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Assets, Netting Adjustment", "label": "Derivative Asset, Master Netting Adjustment", "documentation": "Derivative Asset, Master Netting Adjustment" } } }, "auth_ref": [] }, "us-gaap_DerivativeAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Asset", "label": "Derivative Asset", "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r230", "r231", "r827", "r863", "r864", "r871", "r878", "r879", "r880", "r1082", "r1083", "r1084", "r1085", "r1086", "r1088", "r1089", "r1090", "r1091", "r1092", "r1107", "r1108", "r1155", "r1158", "r1159", "r1160", "r1161", "r1162", "r1190", "r1197", "r1199", "r1200", "r1201", "r1326", "r1329", "r1333", "r1368", "r1826", "r1827", "r1828", "r1905" ] }, "us-gaap_DerivativeAssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssetsAbstract", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Assets", "label": "Derivative Asset [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeAssetsCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssetsCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Fair value of derivative instruments", "terseLabel": "Derivative Assets, Current", "label": "Derivative Asset, Current", "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r231" ] }, "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssetsLiabilitiesAtFairValueNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Derivative Assets (Liabilities), at Fair Value, Net", "terseLabel": "Derivative asset (liability)", "label": "Derivative Assets (Liabilities), at Fair Value, Net", "documentation": "Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments." } } }, "auth_ref": [ "r1826", "r1827", "r1828" ] }, "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssetsLiabilitiesAtFairValueNetByBalanceSheetClassificationAbstract", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Fair value of financial instruments and commodity contracts", "label": "Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeAssetsNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAssetsNoncurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Asset, Noncurrent", "label": "Derivative Asset, Noncurrent", "documentation": "Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r231" ] }, "us-gaap_DerivativeAverageFixedInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeAverageFixedInterestRate", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Average Fixed Interest Rate", "label": "Derivative, Average Fixed Interest Rate", "documentation": "Average fixed interest rate related to the group of interest rate derivatives." } } }, "auth_ref": [] }, "us-gaap_DerivativeContractTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeContractTypeDomain", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Contract Type [Domain]", "label": "Derivative Contract [Domain]", "documentation": "Financial instrument or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset." } } }, "auth_ref": [ "r254", "r774", "r776", "r777", "r780", "r781", "r782", "r783", "r785", "r786", "r787", "r788", "r789", "r790", "r791", "r792", "r793", "r794", "r795", "r796", "r797", "r798", "r799", "r800", "r801", "r1090", "r1092", "r1106", "r1107", "r1108", "r1110", "r1111", "r1112", "r1113", "r1116", "r1117", "r1118", "r1119", "r1131", "r1132", "r1133", "r1134", "r1137", "r1138", "r1139", "r1140", "r1155", "r1156", "r1159", "r1161", "r1197", "r1198", "r1201", "r1321", "r1322", "r1366", "r1368", "r1531", "r1532", "r1533", "r1534", "r1535", "r1536", "r1537", "r1538", "r1539", "r1817", "r1818", "r1819", "r1820", "r1829", "r1830", "r1831", "r1832", "r1833", "r1834", "r1836", "r1837" ] }, "us-gaap_DerivativeGainLossOnDerivativeNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeGainLossOnDerivativeNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total loss (gain) recognized in other expenses (income), net", "label": "Derivative, Gain (Loss) on Derivative, Net", "documentation": "Amount of increase (decrease) in the fair value of derivatives recognized in the income statement." } } }, "auth_ref": [ "r1190", "r1812" ] }, "us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]", "label": "Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]", "documentation": "Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative." } } }, "auth_ref": [ "r1812" ] }, "us-gaap_DerivativeInstrumentRiskAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentRiskAxis", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instrument Risk [Axis]", "label": "Derivative Instrument [Axis]", "documentation": "Information by type of derivative contract." } } }, "auth_ref": [ "r254", "r774", "r776", "r777", "r780", "r781", "r782", "r783", "r785", "r786", "r787", "r788", "r789", "r790", "r791", "r792", "r793", "r794", "r795", "r796", "r797", "r798", "r799", "r800", "r801", "r1090", "r1092", "r1106", "r1107", "r1108", "r1110", "r1111", "r1112", "r1113", "r1116", "r1117", "r1118", "r1119", "r1131", "r1132", "r1133", "r1134", "r1137", "r1138", "r1139", "r1140", "r1155", "r1156", "r1159", "r1161", "r1197", "r1198", "r1201", "r1321", "r1322", "r1366", "r1368", "r1531", "r1532", "r1533", "r1534", "r1535", "r1536", "r1537", "r1538", "r1539", "r1817", "r1818", "r1819", "r1820", "r1829", "r1830", "r1831", "r1832", "r1833", "r1834", "r1836", "r1837" ] }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments and Hedging Activities Disclosure [Abstract]", "label": "Derivative Instruments and Hedging Activities Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/FairValueMeasurements" ], "lang": { "en-us": { "role": { "terseLabel": "17. FAIR VALUE MEASUREMENTS", "label": "Derivative Instruments and Hedging Activities Disclosure [Text Block]", "documentation": "The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts." } } }, "auth_ref": [ "r763", "r764", "r765", "r766", "r767", "r768", "r769", "r770", "r771", "r772", "r773", "r813", "r814", "r815", "r816", "r817", "r818", "r819", "r820", "r821", "r822", "r823", "r824", "r825", "r834", "r850", "r1321", "r1322", "r1323", "r1324", "r1325" ] }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipAxis", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Relationship [Axis]", "label": "Hedging Relationship [Axis]", "documentation": "Information by type of hedging relationship." } } }, "auth_ref": [] }, "us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Derivative Instruments, Gain (Loss) [Table]", "label": "Derivative Instruments, Gain (Loss) [Table]", "documentation": "Disclosure of information about the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments." } } }, "auth_ref": [ "r776", "r777", "r785", "r786", "r787", "r788", "r789", "r790", "r791", "r792", "r793", "r794", "r795", "r796", "r797", "r798", "r799", "r800", "r801", "r802", "r1322" ] }, "us-gaap_DerivativeInstrumentsGainLossLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeInstrumentsGainLossLineItems", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments, Gain (Loss) [Line Items]", "label": "Derivative Instruments, Gain (Loss) [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r776", "r777", "r785", "r786", "r787", "r788", "r789", "r790", "r791", "r792", "r793", "r794", "r795", "r796", "r797", "r798", "r799", "r800", "r801", "r802", "r803", "r1322" ] }, "nvl_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortion", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income before income tax provision", "label": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion", "documentation": "Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion" } } }, "auth_ref": [] }, "nvl_DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTesting": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DerivativeInstrumentsGainLossRecognizedInIncomeIneffectivePortionAndAmountExcludedFromEffectivenessTesting", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Amount of Gain (Loss) Recognized in Other expenses (income), net (Ineffective and Excluded Portion)", "label": "Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing", "documentation": "Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing" } } }, "auth_ref": [] }, "us-gaap_DerivativeLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeLiabilities", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Liability", "negatedLabel": "Derivative Liability", "label": "Derivative Liability", "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r230", "r231", "r827", "r863", "r864", "r871", "r878", "r879", "r880", "r1082", "r1083", "r1084", "r1085", "r1088", "r1089", "r1090", "r1091", "r1092", "r1116", "r1118", "r1119", "r1156", "r1157", "r1158", "r1159", "r1160", "r1161", "r1162", "r1197", "r1199", "r1200", "r1201", "r1826", "r1827", "r1828", "r1905" ] }, "us-gaap_DerivativeLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeLiabilitiesAbstract", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Liabilities", "label": "Derivative Liability [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DerivativeLiabilitiesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeLiabilitiesCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": -1.0, "order": 3.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Fair value of derivative instruments", "negatedTerseLabel": "Derivative Liabilities, Current", "label": "Derivative Liability, Current", "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r231" ] }, "us-gaap_DerivativeLiabilitiesNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeLiabilitiesNoncurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails": { "parentTag": "us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Derivative Liabilities, Noncurrent", "label": "Derivative Liability, Noncurrent", "documentation": "Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset." } } }, "auth_ref": [ "r231" ] }, "nvl_DerivativeLiabilityMasterNettingAdjustment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DerivativeLiabilityMasterNettingAdjustment", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Liabilities, Netting Adjustment", "label": "Derivative Liability, Master Netting Adjustment", "documentation": "Derivative Liability, Master Netting Adjustment" } } }, "auth_ref": [] }, "us-gaap_DerivativeLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeLineItems", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative [Line Items]", "label": "Derivative [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r850", "r1821" ] }, "us-gaap_DerivativeNonmonetaryNotionalAmount": { "xbrltype": "decimalItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeNonmonetaryNotionalAmount", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Nonmonetary Notional Amount", "negatedLabel": "Derivative, Nonmonetary Notional Amount", "label": "Derivative, Nonmonetary Notional Amount", "documentation": "Nominal number of units used to calculate payment on derivative." } } }, "auth_ref": [ "r488", "r507", "r831", "r850", "r1808", "r1809" ] }, "us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure": { "xbrltype": "energyItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeNonmonetaryNotionalAmountEnergyMeasure", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Nonmonetary Notional Amount, Energy Measure", "label": "Derivative, Nonmonetary Notional Amount, Energy Measure", "documentation": "Nominal energy measure used to calculate payments on a derivative instrument." } } }, "auth_ref": [] }, "us-gaap_DerivativeNotionalAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeNotionalAmount", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Notional Amount", "label": "Derivative, Notional Amount", "documentation": "Nominal or face amount used to calculate payment on derivative." } } }, "auth_ref": [ "r1321", "r1808", "r1809" ] }, "us-gaap_DerivativeRemainingMaturity1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeRemainingMaturity1", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative, Remaining Maturity", "label": "Derivative, Remaining Maturity", "documentation": "Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [] }, "us-gaap_DerivativeTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativeTable", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative [Table]", "label": "Derivative [Table]", "documentation": "Disclosure of information about derivative instrument or group of derivative instruments, including, but not limited to, type of derivative instrument, risk being hedged, notional amount, hedge designation, related hedged item, inception date, and maturity date." } } }, "auth_ref": [ "r850", "r1821" ] }, "us-gaap_DerivativesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DerivativesPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Derivative Instruments", "label": "Derivatives, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for its derivative instruments and hedging activities." } } }, "auth_ref": [ "r271", "r282", "r300", "r763", "r811", "r826", "r828", "r829", "r830", "r832", "r833" ] }, "us-gaap_DesignatedAsHedgingInstrumentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DesignatedAsHedgingInstrumentMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivatives designated as hedging instruments:", "label": "Designated as Hedging Instrument [Member]", "documentation": "Derivative instrument designated as hedging instrument under Generally Accepted Accounting Principles (GAAP)." } } }, "auth_ref": [] }, "us-gaap_DisaggregationOfRevenueLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisaggregationOfRevenueLineItems", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disaggregation of Revenue [Line Items]", "label": "Disaggregation of Revenue [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r510", "r511", "r1246", "r1247", "r1248", "r1249", "r1250", "r1251", "r1252" ] }, "us-gaap_DisaggregationOfRevenueTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisaggregationOfRevenueTable", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disaggregation of Revenue [Table]", "label": "Disaggregation of Revenue [Table]", "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor." } } }, "auth_ref": [ "r510", "r511", "r1246", "r1247", "r1248", "r1249", "r1250", "r1251", "r1252" ] }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensation" ], "lang": { "en-us": { "role": { "verboseLabel": "12. SHARE-BASED COMPENSATION", "label": "Share-Based Payment Arrangement [Text Block]", "documentation": "The entire disclosure for share-based payment arrangement." } } }, "auth_ref": [ "r616", "r619", "r650", "r651", "r653", "r1267" ] }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Disclosure of Compensation Related Costs, Share-based Payments [Abstract]", "label": "Share-Based Payment Arrangement [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DisposalGroupClassificationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisposalGroupClassificationAxis", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disposal Group Classification [Axis]", "label": "Disposal Group Classification [Axis]", "documentation": "Information by disposal group classification." } } }, "auth_ref": [ "r213" ] }, "us-gaap_DisposalGroupClassificationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisposalGroupClassificationDomain", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disposal Group Classification [Domain]", "label": "Disposal Group Classification [Domain]", "documentation": "Component or group of components disposed of, including but not limited to, disposal group held-for-sale or disposed of by sale, disposed of by means other than sale, and discontinued operations." } } }, "auth_ref": [] }, "us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disposed of by Sale", "label": "Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]", "documentation": "Disposal group that has been sold. Excludes disposals classified as discontinued operations." } } }, "auth_ref": [ "r13", "r28" ] }, "us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "DisposalGroupsIncludingDiscontinuedOperationsNameDomain", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disposal Group Name [Domain]", "label": "Disposal Group Name [Domain]", "documentation": "Name of disposal group." } } }, "auth_ref": [ "r412", "r413", "r1260", "r1263" ] }, "dei_DocumentAnnualReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentAnnualReport", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Annual Report", "label": "Document Annual Report", "documentation": "Boolean flag that is true only for a form used as an annual report." } } }, "auth_ref": [ "r1388", "r1389", "r1412" ] }, "dei_DocumentFinStmtErrorCorrectionFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentFinStmtErrorCorrectionFlag", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Financial Statement Error Correction", "label": "Document Financial Statement Error Correction [Flag]", "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction." } } }, "auth_ref": [ "r1388", "r1389", "r1412", "r1455" ] }, "dei_DocumentFiscalPeriodFocus": { "xbrltype": "fiscalPeriodItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentFiscalPeriodFocus", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Period Focus", "label": "Document Fiscal Period Focus", "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY." } } }, "auth_ref": [] }, "dei_DocumentFiscalYearFocus": { "xbrltype": "gYearItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentFiscalYearFocus", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Year Focus", "label": "Document Fiscal Year Focus", "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentTransitionReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentTransitionReport", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Transition Report", "label": "Document Transition Report", "documentation": "Boolean flag that is true only for a form used as a transition report." } } }, "auth_ref": [ "r1433" ] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentType", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "DocumentsIncorporatedByReferenceTextBlock", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Documents Incorporated by Reference", "label": "Documents Incorporated by Reference [Text Block]", "documentation": "Documents incorporated by reference." } } }, "auth_ref": [ "r1387" ] }, "nvl_DuffelMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "DuffelMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Duffel", "label": "Duffel [Member]", "documentation": "Duffel" } } }, "auth_ref": [] }, "ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year", "label": "Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]" } } }, "auth_ref": [ "r1444" ] }, "us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Effect of exchange rate changes on cash", "label": "Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation", "documentation": "Amount of increase (decrease) from effect of exchange rate change on cash and cash equivalent, and cash and cash equivalent restricted to withdrawal or usage; held in foreign currency; attributable to continuing operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate." } } }, "auth_ref": [ "r896" ] }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateContinuingOperations", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Effective Income Tax Rate Reconciliation, Percent", "verboseLabel": "Effective tax rate", "label": "Effective Income Tax Rate Reconciliation, Percent", "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations." } } }, "auth_ref": [ "r681", "r1270" ] }, "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percent", "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]" } } }, "auth_ref": [] }, "nvl_EffectiveIncomeTaxRateReconciliationAtCanadianStatutoryIncomeTaxRate": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EffectiveIncomeTaxRateReconciliationAtCanadianStatutoryIncomeTaxRate", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Canadian statutory tax rate", "label": "Effective Income Tax Rate Reconciliation, at Canadian Statutory Income Tax Rate", "documentation": "The Canadian statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period." } } }, "auth_ref": [] }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Canada Statutory Tax Rate", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss)." } } }, "auth_ref": [ "r271", "r277", "r681", "r719", "r1270" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Allowance", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets." } } }, "auth_ref": [ "r689", "r1270", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 13.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Legislative changes including enacted tax rates", "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the income tax rates." } } }, "auth_ref": [ "r686", "r1270", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectAmount", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign exchange translation and remeasurement", "label": "Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount", "documentation": "Amount of reported income tax expense (benefit) from difference to expected income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to cross-border tax law." } } }, "auth_ref": [ "r687", "r692" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationCrossBorderTaxEffectPercent", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign exchange translation and remeasurement", "label": "Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent", "documentation": "Percentage of reported income tax expense (benefit) from difference to expected income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to cross-border tax law." } } }, "auth_ref": [ "r687", "r692" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationDeductionsDividends", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0, "order": 14.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Nontaxable dividends", "label": "Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend." } } }, "auth_ref": [ "r1596", "r1603", "r1788", "r1789" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax rate differential", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile." } } }, "auth_ref": [ "r682", "r685", "r1270", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Nontaxable or nondeductible items", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses." } } }, "auth_ref": [ "r1270", "r1596", "r1603", "r1788", "r1790" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Adjustments", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments." } } }, "auth_ref": [ "r1270", "r1596", "r1603", "r1788", "r1789" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 10.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Prior year adjustments", "label": "Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense." } } }, "auth_ref": [ "r1596", "r1603", "r1788", "r1789" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "State and Local Income Taxes, net", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit)." } } }, "auth_ref": [ "r684", "r1270", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxContingencies": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationTaxContingencies", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 15.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Changes in unrecognized tax benefits", "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies." } } }, "auth_ref": [ "r691", "r1270", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationTaxCredits", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0, "order": 9.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits." } } }, "auth_ref": [ "r688", "r692", "r1596", "r1603", "r1788" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationTaxCreditsAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Percent [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsForeign": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationTaxCreditsForeign", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Foreign tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit." } } }, "auth_ref": [ "r1596", "r1603", "r1788", "r1790" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EffectiveIncomeTaxRateReconciliationTaxExemptIncome", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Imputed income", "label": "Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes." } } }, "auth_ref": [ "r690", "r692", "r1596", "r1603", "r1788" ] }, "nvl_EffectiveIncomeTaxRateReconciliationWithholdingTaxExpenseAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EffectiveIncomeTaxRateReconciliationWithholdingTaxExpenseAmount", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Withholding tax expense", "label": "Effective Income Tax Rate Reconciliation, Withholding Tax Expense, Amount", "documentation": "Effective Income Tax Rate Reconciliation, Withholding Tax Expense, Amount" } } }, "auth_ref": [] }, "nvl_EffectiveIncomeTaxRateReconciliationWithholdingTaxExpensePercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EffectiveIncomeTaxRateReconciliationWithholdingTaxExpensePercent", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Withholding tax expense", "label": "Effective Income Tax Rate Reconciliation, Withholding Tax Expense, Percent", "documentation": "Effective Income Tax Rate Reconciliation, Withholding Tax Expense, Percent" } } }, "auth_ref": [] }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition", "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r652" ] }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options", "label": "Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount", "documentation": "Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options." } } }, "auth_ref": [ "r1784" ] }, "us-gaap_EmployeeSeveranceMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EmployeeSeveranceMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Employees", "label": "Employee Severance [Member]", "documentation": "Termination of an employee associated with exit from or disposal of business activities or restructurings pursuant to a plan." } } }, "auth_ref": [] }, "us-gaap_EmployeeStockOptionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EmployeeStockOptionMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Employee Stock Option", "label": "Share-Based Payment Arrangement, Option [Member]", "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time." } } }, "auth_ref": [ "r1758", "r1759", "r1760", "r1761", "r1762", "r1763", "r1764", "r1765", "r1766", "r1767", "r1768", "r1769", "r1770", "r1771", "r1772", "r1773", "r1774", "r1775", "r1776", "r1777", "r1778", "r1779", "r1780", "r1781", "r1782", "r1783" ] }, "us-gaap_EnergyRelatedDerivativeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnergyRelatedDerivativeMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Energy contracts", "label": "Energy Related Derivative [Member]", "documentation": "Derivative instrument whose primary underlying risk is tied to energy, for example, but not limited to, crude oil, electricity and natural gas." } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityCommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCommonStockSharesOutstanding", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Common Stock, Shares Outstanding", "label": "Entity Common Stock, Shares Outstanding", "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument." } } }, "auth_ref": [] }, "dei_EntityCurrentReportingStatus": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityCurrentReportingStatus", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Current Reporting Status", "label": "Entity Current Reporting Status", "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityFileNumber", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityFilerCategory": { "xbrltype": "filerCategoryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityFilerCategory", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Filer Category", "label": "Entity Filer Category", "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityInteractiveDataCurrent": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityInteractiveDataCurrent", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Interactive Data Current", "label": "Entity Interactive Data Current", "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)." } } }, "auth_ref": [ "r1495" ] }, "dei_EntityPublicFloat": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityPublicFloat", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Public Float", "label": "Entity Public Float", "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityRegistrantName", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityShellCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityShellCompany", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Shell Company", "label": "Entity Shell Company", "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act." } } }, "auth_ref": [ "r1386" ] }, "dei_EntitySmallBusiness": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntitySmallBusiness", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Small Business", "label": "Entity Small Business", "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r1386" ] }, "dei_EntityVoluntaryFilers": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityVoluntaryFilers", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Voluntary Filers", "label": "Entity Voluntary Filers", "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act." } } }, "auth_ref": [] }, "dei_EntityWellKnownSeasonedIssuer": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "EntityWellKnownSeasonedIssuer", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Well-known Seasoned Issuer", "label": "Entity Well-known Seasoned Issuer", "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A." } } }, "auth_ref": [ "r1496" ] }, "us-gaap_EntityWideRevenueMajorCustomerLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EntityWideRevenueMajorCustomerLineItems", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revenue, Major Customer [Line Items]", "label": "Revenue, Major Customer [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_EnvironmentalCostsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnvironmentalCostsPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Environmental Liabilities", "label": "Environmental Costs, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for obligations that resulted from improper or other-than normal operation of a long-lived asset in the past. This accounting policy may address (1) whether the related remediation costs are expensed or capitalized, (2) whether the obligation is measured on a discounted basis, (3) the event, situation, or set of circumstances that generally triggers recognition of loss contingencies arising from the entity's environmental remediation-related obligations, and (4) the timing of recognition of any recoveries." } } }, "auth_ref": [ "r430", "r431", "r447", "r1231", "r1499" ] }, "us-gaap_EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnvironmentalLossContingencyCurrentStatementOfFinancialPositionExtensibleEnumeration", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]", "label": "Environmental Loss Contingency, Current, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes accrual for environmental loss contingency classified as current." } } }, "auth_ref": [ "r447" ] }, "nvl_EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag", "label": "EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag", "documentation": "EnvironmentalLossContingencyStatementOfFinancialPositionExtensibleEnumerationNotDisclosedFlag" } } }, "auth_ref": [] }, "us-gaap_EnvironmentalRemediationContingencyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnvironmentalRemediationContingencyAxis", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Environmental Remediation Contingency [Axis]", "label": "Environmental Remediation Contingency [Axis]", "documentation": "Information by type of environmental remediation contingency." } } }, "auth_ref": [ "r1665", "r1666", "r1667", "r1677" ] }, "us-gaap_EnvironmentalRemediationContingencyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnvironmentalRemediationContingencyDomain", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Environmental Remediation Contingency [Domain]", "label": "Environmental Remediation Contingency [Domain]", "documentation": "Environmental remediation contingency, for example, but not limited to, asbestos, air emissions and mercury emissions." } } }, "auth_ref": [ "r1665", "r1666", "r1667", "r1677" ] }, "us-gaap_EnvironmentalRestorationCostsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EnvironmentalRestorationCostsMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Environmental Restoration Costs [Member]", "label": "Environmental Restoration Costs [Member]", "documentation": "Rate action of a regulator resulting in capitalization or accrual of costs associated with site remediation or other environmental exit costs that may occur on the sale, disposal, abandonment or decommissioning of a property." } } }, "auth_ref": [ "r178" ] }, "ecd_EqtyAwrdsAdjFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "EqtyAwrdsAdjFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments, Footnote", "label": "Equity Awards Adjustments, Footnote [Text Block]" } } }, "auth_ref": [ "r1438" ] }, "ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments, Excluding Value Reported in Compensation Table", "label": "Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]" } } }, "auth_ref": [ "r1491" ] }, "ecd_EqtyAwrdsAdjsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "EqtyAwrdsAdjsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Awards Adjustments", "label": "Equity Awards Adjustments [Member]" } } }, "auth_ref": [ "r1491" ] }, "ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "EqtyAwrdsInSummryCompstnTblForAplblYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table", "label": "Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]" } } }, "auth_ref": [ "r1491" ] }, "us-gaap_EquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityAbstract", "lang": { "en-us": { "role": { "terseLabel": "Equity [Abstract]", "label": "Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EquityComponentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityComponentDomain", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Component [Domain]", "label": "Equity Component [Domain]", "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc." } } }, "auth_ref": [ "r22", "r203", "r210", "r211", "r243", "r244", "r245", "r284", "r285", "r286", "r289", "r297", "r298", "r300", "r305", "r365", "r368", "r409", "r496", "r508", "r656", "r714", "r715", "r729", "r730", "r731", "r734", "r751", "r752", "r837", "r839", "r840", "r841", "r842", "r844", "r846", "r847", "r848", "r849", "r859", "r898", "r900", "r901", "r902", "r903", "r904", "r911", "r914", "r933", "r1021", "r1055", "r1056", "r1057", "r1078", "r1144" ] }, "nvl_EquityIncreaseFromContributionAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EquityIncreaseFromContributionAmount", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Equity contribution from our common shareholder", "label": "Equity, Increase From Contribution, Amount", "documentation": "Equity, Increase From Contribution, Amount" } } }, "auth_ref": [] }, "nvl_EquityIncreaseFromContributionShares": { "xbrltype": "sharesItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EquityIncreaseFromContributionShares", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Equity contribution from our common shareholder (in shares)", "label": "Equity, Increase From Contribution, Shares", "documentation": "Equity, Increase From Contribution, Shares" } } }, "auth_ref": [] }, "srt_EquityMethodInvesteeNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "EquityMethodInvesteeNameDomain", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investment, Name [Domain]", "label": "Investment, Name [Domain]" } } }, "auth_ref": [ "r358", "r359", "r361", "r725", "r885", "r1503", "r1504", "r1505", "r1801", "r1802", "r1803", "r1804" ] }, "us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Difference between carrying amount and underlying equity", "label": "Equity Method Investment, Difference Between Carrying Amount and Underlying Equity", "documentation": "Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee." } } }, "auth_ref": [ "r360" ] }, "us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentNonconsolidatedInvesteeAxis", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Method Investment, Nonconsolidated Investee [Axis]", "label": "Equity Method Investment, Nonconsolidated Investee [Axis]", "documentation": "Information by nonconsolidated equity method investee. Excludes information consolidated by reporting entity." } } }, "auth_ref": [ "r214", "r271", "r275", "r362", "r885", "r952", "r953", "r959", "r967", "r974", "r975", "r986", "r988", "r1338", "r1339", "r1340", "r1341", "r1342", "r1343", "r1344", "r1345", "r1346", "r1347", "r1348", "r1349" ] }, "us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentNonconsolidatedInvesteeDomain", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Method Investment, Nonconsolidated Investee [Domain]", "label": "Equity Method Investment, Nonconsolidated Investee [Domain]", "documentation": "Nonconsolidated equity method investee. Excludes information consolidated by reporting entity." } } }, "auth_ref": [ "r214", "r271", "r275", "r362", "r885", "r952", "r953", "r959", "r967", "r974", "r975", "r986", "r988", "r1338", "r1339", "r1340", "r1341", "r1342", "r1343", "r1344", "r1345", "r1346", "r1347", "r1348", "r1349" ] }, "us-gaap_EquityMethodInvestmentOwnershipPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentOwnershipPercentage", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ownership percentage", "label": "Equity Method Investment, Ownership Percentage", "documentation": "The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting." } } }, "auth_ref": [ "r358", "r885" ] }, "nvl_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of condensed results of operations of equity method affiliates", "label": "Equity Method Investment, Summarized Financial Information, Income Statement [Table Text Block]", "documentation": "Tabular disclosure of the entity's share of earnings (losses) of equity method investments." } } }, "auth_ref": [] }, "us-gaap_EquityMethodInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestments", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Investment in and advances to non\u2013consolidated affiliates", "label": "Equity Method Investments", "documentation": "This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized." } } }, "auth_ref": [ "r304", "r327", "r339", "r357", "r1520", "r1629" ] }, "us-gaap_EquityMethodInvestmentsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentsDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactions" ], "lang": { "en-us": { "role": { "terseLabel": "8. INVESTMENT IN AND ADVANCES TO NON-CONSOLIDATED AFFILIATES AND RELATED PARTY TRANSACTIONS", "label": "Equity Method Investments and Joint Ventures Disclosure [Text Block]", "documentation": "The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group." } } }, "auth_ref": [ "r198", "r360", "r363", "r1505" ] }, "us-gaap_EquityMethodInvestmentsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentsMember", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Method Investments", "label": "Equity Method Investments [Member]", "documentation": "Investment in the stock of an investee which is adjusted for the investor's share of the earnings or losses of the investee after the date of acquisition." } } }, "auth_ref": [ "r1190", "r1333" ] }, "us-gaap_EquityMethodInvestmentsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquityMethodInvestmentsPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Investments in and Advances to Non-Consolidated Affiliates", "label": "Equity Method Investments [Policy Text Block]", "documentation": "Disclosure of accounting policy for equity method of accounting for investments and other interests. Investment includes, but is not limited to, unconsolidated subsidiary, corporate joint venture, noncontrolling interest in real estate venture, limited partnership, and limited liability company. Information includes, but is not limited to, ownership percentage, reason equity method is or is not considered appropriate, and accounting policy election for distribution received." } } }, "auth_ref": [ "r9", "r359", "r885" ] }, "us-gaap_EquitySecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "EquitySecuritiesMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Equity [Member]", "label": "Equity Securities [Member]", "documentation": "Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants." } } }, "auth_ref": [ "r55", "r1337", "r1376", "r1377", "r1378", "r1914" ] }, "ecd_EquityValuationAssumptionDifferenceFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "EquityValuationAssumptionDifferenceFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Equity Valuation Assumption Difference, Footnote", "label": "Equity Valuation Assumption Difference, Footnote [Text Block]" } } }, "auth_ref": [ "r1448" ] }, "ecd_ErrCompAnalysisTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ErrCompAnalysisTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Erroneous Compensation Analysis", "label": "Erroneous Compensation Analysis [Text Block]" } } }, "auth_ref": [ "r1405", "r1416", "r1426", "r1459" ] }, "ecd_ErrCompRecoveryTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ErrCompRecoveryTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Erroneously Awarded Compensation Recovery", "label": "Erroneously Awarded Compensation Recovery [Table]" } } }, "auth_ref": [ "r1402", "r1413", "r1423", "r1456" ] }, "srt_EuropeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "EuropeMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Europe", "label": "Europe [Member]" } } }, "auth_ref": [ "r1913", "r1915", "r1916", "r1917" ] }, "nvl_EuropePremiumDutyPaidECDPContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EuropePremiumDutyPaidECDPContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Europe Premium Duty Paid (\"ECDP\") Contracts", "label": "Europe Premium Duty Paid (\"ECDP\") Contracts [Member]", "documentation": "Europe Premium Duty Paid (\"ECDP\") Contracts" } } }, "auth_ref": [] }, "nvl_EuropeSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "EuropeSegmentMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Europe Segment", "label": "Europe Segment [Member]", "documentation": "Europe Segment" } } }, "auth_ref": [] }, "ecd_ExecutiveCategoryAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ExecutiveCategoryAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Executive Category:", "label": "Executive Category [Axis]" } } }, "auth_ref": [ "r1454" ] }, "us-gaap_ExtinguishmentOfDebtAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ExtinguishmentOfDebtAmount", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Extinguishment of debt", "label": "Extinguishment of Debt, Amount", "documentation": "Gross amount of debt extinguished." } } }, "auth_ref": [] }, "country_FR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "FR", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "France", "label": "FRANCE" } } }, "auth_ref": [] }, "us-gaap_FacilityClosingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FacilityClosingMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Facility Closing", "label": "Facility Closing [Member]", "documentation": "Closing of a facility associated with exit from or disposal of business activities or restructurings pursuant to a plan." } } }, "auth_ref": [] }, "nvl_FactoringExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FactoringExpense", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/AccountsReceivableFactoringActivitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Factoring expense", "label": "Factoring Expense", "documentation": "Factoring Expense" } } }, "auth_ref": [] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r863", "r864", "r871", "r1326" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurements, Recurring and Nonrecurring [Table]", "label": "Fair Value, Recurring and Nonrecurring [Table]", "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis." } } }, "auth_ref": [ "r863", "r864", "r871", "r1326" ] }, "us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueAssetsMeasuredOnNonrecurringBasisTextBlock", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Estimated fair value of certain financial instruments that are not recorded at fair value on a recurring basis", "label": "Fair Value Measurements, Nonrecurring [Table Text Block]", "documentation": "Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3)." } } }, "auth_ref": [ "r1824", "r1825" ] }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueByFairValueHierarchyLevelAxis", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Hierarchy [Axis]", "label": "Fair Value Hierarchy and NAV [Axis]", "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient." } } }, "auth_ref": [ "r477", "r541", "r542", "r543", "r544", "r545", "r546", "r579", "r580", "r862", "r864", "r865", "r866", "r867", "r870", "r871", "r873", "r878", "r939", "r940", "r941", "r1190", "r1239", "r1240", "r1253", "r1254", "r1255", "r1256", "r1258", "r1326", "r1329", "r1333" ] }, "us-gaap_FairValueDisclosuresAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueDisclosuresAbstract", "lang": { "en-us": { "role": { "terseLabel": "Fair Value Disclosures [Abstract]", "label": "Fair Value Disclosures [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FairValueInputsLevel1Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueInputsLevel1Member", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 1 [Member]", "label": "Fair Value, Inputs, Level 1 [Member]", "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date." } } }, "auth_ref": [ "r477", "r541", "r546", "r579", "r864", "r871", "r878", "r939", "r1190", "r1253", "r1254", "r1255", "r1256", "r1258", "r1326", "r1333" ] }, "us-gaap_FairValueInputsLevel2Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueInputsLevel2Member", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 2 [Member]", "verboseLabel": "Level 2 Instruments [Member]", "label": "Fair Value, Inputs, Level 2 [Member]", "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets." } } }, "auth_ref": [ "r477", "r541", "r546", "r579", "r581", "r864", "r865", "r871", "r878", "r940", "r1190", "r1239", "r1240", "r1253", "r1254", "r1255", "r1256", "r1258", "r1326", "r1333" ] }, "us-gaap_FairValueInputsLevel3Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueInputsLevel3Member", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 3 [Member]", "label": "Fair Value, Inputs, Level 3 [Member]", "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing." } } }, "auth_ref": [ "r477", "r541", "r542", "r543", "r544", "r545", "r546", "r579", "r580", "r864", "r865", "r866", "r867", "r871", "r878", "r941", "r1190", "r1239", "r1240", "r1253", "r1254", "r1255", "r1256", "r1258", "r1326", "r1329", "r1333" ] }, "us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueMeasuredAtNetAssetValuePerShareMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investments measured at net asset value(1)", "label": "Fair Value Measured at Net Asset Value Per Share [Member]", "documentation": "Fair value measured at net asset value per share as practical expedient." } } }, "auth_ref": [ "r541", "r579", "r862", "r873", "r1326" ] }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueMeasurementsFairValueHierarchyDomain", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy [Domain]", "label": "Fair Value Hierarchy and NAV [Domain]", "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value." } } }, "auth_ref": [ "r477", "r541", "r542", "r543", "r544", "r545", "r546", "r579", "r580", "r862", "r864", "r865", "r866", "r867", "r870", "r871", "r873", "r878", "r939", "r940", "r941", "r1190", "r1239", "r1240", "r1253", "r1254", "r1255", "r1256", "r1258", "r1326", "r1329", "r1333" ] }, "us-gaap_FairValueOfFinancialInstrumentsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FairValueOfFinancialInstrumentsPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value of Financial Instruments", "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments." } } }, "auth_ref": [ "r1838" ] }, "nvl_FairmontPensionPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FairmontPensionPlanMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Fairmont Pension Plan", "label": "Fairmont Pension Plan [Member]", "documentation": "Fairmont Pension Plan" } } }, "auth_ref": [] }, "us-gaap_FinanceLeaseInterestPaymentOnLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseInterestPaymentOnLiability", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Interest Payment on Liability", "label": "Finance Lease, Interest Payment on Liability", "documentation": "Amount of interest paid on finance lease liability." } } }, "auth_ref": [ "r919", "r922" ] }, "us-gaap_FinanceLeaseLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiability", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Present value of lease liabilities", "label": "Finance Lease, Liability", "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease." } } }, "auth_ref": [ "r916", "r926" ] }, "us-gaap_FinanceLeaseLiabilityCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Liability, Current", "label": "Finance Lease, Liability, Current", "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as current." } } }, "auth_ref": [ "r916" ] }, "us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]", "label": "Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes current finance lease liability." } } }, "auth_ref": [ "r917" ] }, "us-gaap_FinanceLeaseLiabilityMaturityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityMaturityTableTextBlock", "presentation": [ "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Liability, Fiscal Year Maturity", "label": "Finance Lease, Liability, to be Paid, Maturity [Table Text Block]", "documentation": "Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position." } } }, "auth_ref": [ "r1854" ] }, "us-gaap_FinanceLeaseLiabilityNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityNoncurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Liability, Noncurrent", "label": "Finance Lease, Liability, Noncurrent", "documentation": "Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent." } } }, "auth_ref": [ "r916" ] }, "us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]", "label": "Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes noncurrent finance lease liability." } } }, "auth_ref": [ "r917" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDue", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total minimum lease payments", "label": "Finance Lease, Liability, to be Paid", "documentation": "Amount of lessee's undiscounted obligation for lease payments for finance lease." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueAfterYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Finance Lease, Liability, to be Paid, after Year Five", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueNextTwelveMonths", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Finance Lease, Liability, to be Paid, Year One", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2031", "label": "Finance Lease, Liability, to be Paid, Year Five", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueYearFour", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2030", "label": "Finance Lease, Liability, to be Paid, Year Four", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueYearThree", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2029", "label": "Finance Lease, Liability, to be Paid, Year Three", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityPaymentsDueYearTwo", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Finance Lease, Liability, to be Paid, Year Two", "documentation": "Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseLiabilityUndiscountedExcessAmount", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": "us-gaap_FinanceLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Less: interest", "label": "Finance Lease, Liability, Undiscounted Excess Amount", "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease." } } }, "auth_ref": [ "r926" ] }, "us-gaap_FinanceLeasePrincipalPayments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeasePrincipalPayments", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesSupplementalCashflowInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Principal Payments", "label": "Finance Lease, Principal Payments", "documentation": "Amount of cash outflow for principal payment on finance lease." } } }, "auth_ref": [ "r918", "r922" ] }, "us-gaap_FinanceLeaseRightOfUseAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseRightOfUseAsset", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance lease, right-of-use asset", "label": "Finance Lease, Right-of-Use Asset, after Accumulated Amortization", "documentation": "Amount, after accumulated amortization, of right-of-use asset from finance lease." } } }, "auth_ref": [ "r915" ] }, "us-gaap_FinanceLeaseRightOfUseAssetAccumulatedAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseRightOfUseAssetAccumulatedAmortization", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Right-of-Use Asset, Accumulated Amortization", "label": "Finance Lease, Right-of-Use Asset, Accumulated Amortization", "documentation": "Amount of accumulated amortization of right-of-use asset from finance lease." } } }, "auth_ref": [ "r1509", "r1513" ] }, "us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance lease, ROU assets", "label": "Finance Lease, Right-of-Use Asset, before Accumulated Amortization", "documentation": "Amount, before accumulated amortization, of right-of-use asset from finance lease." } } }, "auth_ref": [ "r1507" ] }, "us-gaap_FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]", "label": "Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes finance lease right-of-use asset." } } }, "auth_ref": [ "r917" ] }, "us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseWeightedAverageDiscountRatePercent", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofLeaseInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Weighted Average Discount Rate, Percent", "label": "Finance Lease, Weighted Average Discount Rate, Percent", "documentation": "Weighted average discount rate for finance lease calculated at point in time." } } }, "auth_ref": [ "r925", "r1335" ] }, "us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinanceLeaseWeightedAverageRemainingLeaseTerm1", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofLeaseInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finance Lease, Weighted Average Remaining Lease Term", "label": "Finance Lease, Weighted Average Remaining Lease Term", "documentation": "Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r924", "r1335" ] }, "nvl_FinancialInstrumentsAndCommodityContractsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FinancialInstrumentsAndCommodityContractsAbstract", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Financial Instruments And Commodity Contracts [Abstract]", "label": "Financial Instruments And Commodity Contracts [Abstract]", "documentation": "Financial Instruments and Commodity Contracts." } } }, "auth_ref": [] }, "us-gaap_FinancialInstrumentsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinancialInstrumentsDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContracts" ], "lang": { "en-us": { "role": { "terseLabel": "15. FINANCIAL INSTRUMENTS AND COMMODITY CONTRACTS", "label": "Financial Instruments Disclosure [Text Block]", "documentation": "The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures." } } }, "auth_ref": [ "r876" ] }, "us-gaap_FinancialLiabilitiesFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FinancialLiabilitiesFairValueDisclosure", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Financial Liabilities Fair Value Disclosure", "label": "Financial Liabilities Fair Value Disclosure", "documentation": "Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities." } } }, "auth_ref": [ "r1824", "r1825", "r1835", "r1839", "r1840", "r1841", "r1842" ] }, "nvl_FinancingReceivablePrinciplePayable": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FinancingReceivablePrinciplePayable", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Principle payable", "label": "Financing Receivable, Principle Payable", "documentation": "Financing Receivable, Principle Payable" } } }, "auth_ref": [] }, "nvl_FinancingReceivableWeightedAverageInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FinancingReceivableWeightedAverageInterestRate", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate", "label": "Financing Receivable, Weighted-Average Interest Rate", "documentation": "Financing Receivable, Weighted-Average Interest Rate" } } }, "auth_ref": [] }, "us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAccumulatedAmortization", "crdr": "credit", "calculation": { "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accumulated Amortization", "label": "Finite-Lived Intangible Assets, Accumulated Amortization", "documentation": "Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r220", "r376", "r400", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r402", "r1189", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2031", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Five", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r402", "r1189", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2030", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r402", "r1189", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2029", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r402", "r1189", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofFutureAmortizationExpenseDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r402", "r1189", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsByMajorClassAxis", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finite-Lived Intangible Assets by Major Class [Axis]", "label": "Finite-Lived Intangible Assets by Major Class [Axis]", "documentation": "Information by major type or class of finite-lived intangible assets." } } }, "auth_ref": [ "r394", "r396", "r397", "r398", "r399", "r400", "r403", "r404", "r950", "r951", "r1067", "r1189", "r1193", "r1277", "r1278", "r1279", "r1280", "r1281", "r1282", "r1283", "r1284", "r1285", "r1286", "r1287", "r1288", "r1289", "r1290", "r1291", "r1292", "r1293", "r1294", "r1295", "r1296", "r1297", "r1298", "r1299", "r1300", "r1301", "r1302", "r1303" ] }, "us-gaap_FiniteLivedIntangibleAssetsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsGross", "crdr": "debit", "calculation": { "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Gross Carrying Amount", "label": "Finite-Lived Intangible Assets, Gross", "documentation": "Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r376", "r400", "r951", "r1193" ] }, "us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsMajorClassNameDomain", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "label": "Finite-Lived Intangible Assets, Major Class Name [Domain]", "documentation": "The major class of finite-lived intangible asset (for example, patents, trademarks, copyrights, etc.) A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company." } } }, "auth_ref": [ "r394", "r396", "r397", "r398", "r399", "r400", "r403", "r404", "r1067", "r1189", "r1193", "r1277", "r1278", "r1279", "r1280", "r1281", "r1282", "r1283", "r1284", "r1285", "r1286", "r1287", "r1288", "r1289", "r1290", "r1291", "r1292", "r1293", "r1294", "r1295", "r1296", "r1297", "r1298", "r1299", "r1300", "r1301", "r1302", "r1303" ] }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FiniteLivedIntangibleAssetsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 3.0 }, "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Intangible assets, net", "totalLabel": "Net Carrying Amount", "label": "Finite-Lived Intangible Assets, Net", "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r950", "r1652" ] }, "us-gaap_FireMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FireMember", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fire", "label": "Fire [Member]", "documentation": "Oxidation process that releases energy in the form of light and heat (flames) and often creates smoke." } } }, "auth_ref": [] }, "us-gaap_FixedIncomeFundsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FixedIncomeFundsMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fixed Income [Member]", "label": "Fixed Income Funds [Member]", "documentation": "Investment that pools funds from investors to invest in a combination of underlying investments, primarily fixed income investments." } } }, "auth_ref": [ "r1715", "r1743" ] }, "nvl_FloatingRateTermLoansDueMarch2032Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "FloatingRateTermLoansDueMarch2032Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Floating rate Term Loans, due March 2032", "label": "Floating rate Term Loans, due March 2032 [Member]", "documentation": "Floating rate Term Loans, due March 2032" } } }, "auth_ref": [] }, "us-gaap_FloodMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FloodMember", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sierre flood", "label": "Flood [Member]", "documentation": "Overflowing of a body of water." } } }, "auth_ref": [] }, "us-gaap_ForeignCurrencyAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignCurrencyAbstract", "lang": { "en-us": { "role": { "terseLabel": "Foreign Currency [Abstract]", "label": "Foreign Currency [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ForeignCurrencyDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignCurrencyDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/CurrencyLossesGains" ], "lang": { "en-us": { "role": { "verboseLabel": "14. CURRENCY LOSSES (GAINS)", "label": "Foreign Currency Disclosure [Text Block]", "documentation": "The entire disclosure for foreign currency transactions and translation. This may include description of foreign currency transactions, foreign currency gains and losses, explanation of change in cumulative translation adjustment, description of effect of subsequent foreign currency exchange rate change, cumulative translation adjustment movement, foreign currency translation adjustment by component movement, translation adjustment for net investment hedge movement, adjustment for long-term intercompany transactions, schedule of long-term intercompany balances and any other foreign currency transactions and translation related items." } } }, "auth_ref": [ "r889", "r905", "r1382", "r1383", "r1384", "r1385", "r1506" ] }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Currency losses, net", "label": "Gain (Loss), Foreign Currency Transaction, before Tax", "documentation": "Amount, before tax, of realized and unrealized gain (loss) from foreign currency transaction." } } }, "auth_ref": [ "r256", "r890", "r892", "r894", "r895", "r1141" ] }, "us-gaap_ForeignCurrencyTransactionGainLossUnrealized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignCurrencyTransactionGainLossUnrealized", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 10.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Loss (gain) on foreign exchange remeasurement of debt", "label": "Unrealized Gain (Loss), Foreign Currency Transaction, before Tax", "documentation": "Amount, before tax, of unrealized gain (loss) from foreign currency transaction." } } }, "auth_ref": [ "r134", "r1122", "r1379", "r1844", "r1845", "r1910" ] }, "us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Currency Translation", "label": "Foreign Currency Transactions and Translations Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for (1) transactions denominated in a currency other than the reporting enterprise's functional currency, (2) translating foreign currency financial statements that are incorporated into the financial statements of the reporting enterprise by consolidation, combination, or the equity method of accounting, and (3) remeasurement of the financial statements of a foreign reporting enterprise in a hyperinflationary economy." } } }, "auth_ref": [ "r889" ] }, "us-gaap_ForeignExchangeContractMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignExchangeContractMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Currency exchange contracts", "label": "Foreign Exchange Contract [Member]", "documentation": "Derivative instrument whose primary underlying risk is tied to foreign exchange rates." } } }, "auth_ref": [ "r1201", "r1253", "r1255", "r1309", "r1310", "r1312", "r1313", "r1314", "r1315", "r1316", "r1317", "r1318", "r1319", "r1320", "r1322", "r1326", "r1531", "r1532", "r1533", "r1534", "r1535", "r1536", "r1537", "r1538", "r1539", "r1540", "r1541", "r1817" ] }, "us-gaap_ForeignTaxJurisdictionOtherMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForeignTaxJurisdictionOtherMember", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Foreign Jurisdictions", "label": "Foreign Tax Jurisdiction, Other [Member]", "documentation": "Designated foreign jurisdiction entitled to levy and collect income tax outside country of domicile, classified as other." } } }, "auth_ref": [ "r1270", "r1593", "r1795" ] }, "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount", "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1463" ] }, "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount", "label": "Forgone Recovery due to Expense of Enforcement, Amount" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1463" ] }, "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount", "label": "Forgone Recovery due to Violation of Home Country Law, Amount" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1463" ] }, "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Forgone Recovery, Explanation of Impracticability", "label": "Forgone Recovery, Explanation of Impracticability [Text Block]" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1463" ] }, "ecd_ForgoneRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "ForgoneRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Forgone Recovery, Individual Name" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1463" ] }, "us-gaap_ForwardContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ForwardContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Forward Contracts", "label": "Forward Contracts [Member]", "documentation": "Contracts negotiated between two parties to purchase and sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date." } } }, "auth_ref": [] }, "ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year", "label": "Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]" } } }, "auth_ref": [ "r1443" ] }, "nvl_From2008To2014Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "From2008To2014Member", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "From 2008 to 2014", "label": "From 2008 to 2014 [Member]", "documentation": "From 2008 to 2014" } } }, "auth_ref": [] }, "nvl_From2015To2017Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "From2015To2017Member", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails" ], "lang": { "en-us": { "role": { "terseLabel": "From 2015 to 2017", "label": "From 2015 to 2017 [Member]", "documentation": "From 2015 to 2017" } } }, "auth_ref": [] }, "srt_FuelMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "FuelMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Fuel", "label": "Fuel [Member]" } } }, "auth_ref": [] }, "us-gaap_FundedPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FundedPlanMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Funded Plan [Member]", "label": "Defined Benefit Plan, Funded Plan [Member]", "documentation": "Defined benefit plan in which retirement benefits are payable directly from plan assets segregated and restricted to provide such benefits." } } }, "auth_ref": [ "r1510", "r1693", "r1694", "r1695", "r1696", "r1697", "r1698", "r1699", "r1700", "r1701", "r1702", "r1703", "r1704", "r1705", "r1706", "r1707", "r1708", "r1709", "r1710", "r1711", "r1712", "r1713", "r1714", "r1715", "r1716", "r1717", "r1718", "r1719", "r1720", "r1721", "r1722", "r1723", "r1724", "r1725", "r1726", "r1727", "r1728", "r1729", "r1730", "r1731", "r1732", "r1733", "r1734", "r1735", "r1736", "r1737", "r1738", "r1739", "r1740", "r1741", "r1742", "r1747", "r1748", "r1749", "r1750", "r1751", "r1752", "r1753", "r1754", "r1755", "r1756" ] }, "us-gaap_FurnitureAndFixturesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "FurnitureAndFixturesMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Furniture, Fixtures and Equipment", "label": "Furniture and Fixtures [Member]", "documentation": "Equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases." } } }, "auth_ref": [] }, "country_GB": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "GB", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "United Kingdom", "label": "UNITED KINGDOM" } } }, "auth_ref": [] }, "nvl_GainLossFromCatastrophes": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "GainLossFromCatastrophes", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Sierre flood losses, net of recoveries", "label": "(Gain) Loss From Catastrophes", "documentation": "(Gain) Loss From Catastrophes" } } }, "auth_ref": [] }, "nvl_GainLossFromInsuranceSettlement": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "GainLossFromInsuranceSettlement", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sierre flood losses, net of recoveries", "label": "Gain (Loss) From Insurance Settlement", "documentation": "Gain (Loss) From Insurance Settlement" } } }, "auth_ref": [] }, "nvl_GainLossOnChangeInFairValueOfOtherRealizedDerivativeInstrumentsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "GainLossOnChangeInFairValueOfOtherRealizedDerivativeInstrumentsNet", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Realized losses (gains) on change in fair value of derivative instruments, net", "label": "Gain Loss On Change In Fair Value Of Other Realized Derivative Instruments Net", "documentation": "(Gain) loss on change in fair value of other realized derivative instruments, net." } } }, "auth_ref": [] }, "us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments", "crdr": "credit", "calculation": { "http://www.novelis.com/role/CurrencyLossesGainsDetails": { "parentTag": "nvl_CurrencyGainsLossesIncludedInOtherIncomeExpenseNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/CurrencyLossesGainsDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Losses recognized on balance sheet remeasurement currency exchange contracts, net", "label": "Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments", "documentation": "Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments." } } }, "auth_ref": [ "r1812", "r1814" ] }, "nvl_GainLossOnRemeasurementOfMonetaryAssetsAndLiabilitiesNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "GainLossOnRemeasurementOfMonetaryAssetsAndLiabilitiesNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/CurrencyLossesGainsDetails": { "parentTag": "nvl_CurrencyGainsLossesIncludedInOtherIncomeExpenseNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/CurrencyLossesGainsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "(Gains) losses on remeasurement of monetary assets and liabilities, net", "label": "Gain (Loss) on Remeasurement of Monetary Assets and Liabilities, Net", "documentation": "Gain (loss) on remeasurement of monetary assets and liabilities net." } } }, "auth_ref": [] }, "us-gaap_GainLossOnSaleOfBusiness": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GainLossOnSaleOfBusiness", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Gain on sale of business", "terseLabel": "Gain on sale of business", "label": "Gain (Loss) on Disposition of Business", "documentation": "Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant." } } }, "auth_ref": [ "r759", "r1592" ] }, "us-gaap_GainLossOnSaleOfPropertyPlantEquipment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GainLossOnSaleOfPropertyPlantEquipment", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "(Gain) loss on sale or disposal of assets, net", "terseLabel": "(Gain) loss on sale or disposal of assets, net", "verboseLabel": "(Gain) loss on sale or disposal of assets, net", "label": "Gain (Loss) on Disposition of Property Plant Equipment", "documentation": "Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property." } } }, "auth_ref": [ "r12" ] }, "us-gaap_GainsLossesOnExtinguishmentOfDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GainsLossesOnExtinguishmentOfDebt", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 7.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Loss on extinguishment of debt, net", "verboseLabel": "Loss on extinguishment of debt, net", "label": "Gain (Loss) on Extinguishment of Debt", "documentation": "Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity." } } }, "auth_ref": [ "r12", "r62", "r63" ] }, "us-gaap_Goodwill": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Goodwill", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Goodwill", "terseLabel": "Goodwill", "periodStartLabel": "Goodwill, Beginning Balance", "periodEndLabel": "Goodwill, Ending Balance", "label": "Goodwill", "documentation": "Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized." } } }, "auth_ref": [ "r219", "r378", "r989", "r1221", "r1228", "r1271", "r1272", "r1273", "r1306", "r1327", "r1336", "r1635", "r1642", "r1807" ] }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillAndIntangibleAssetsDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Goodwill and Intangible Assets Disclosure [Abstract]", "label": "Goodwill and Intangible Assets Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillAndIntangibleAssetsDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssets" ], "lang": { "en-us": { "role": { "terseLabel": "GOODWILL AND INTANGIBLE ASSETS", "label": "Goodwill and Intangible Assets Disclosure [Text Block]", "documentation": "The entire disclosure for goodwill and intangible assets." } } }, "auth_ref": [ "r1633", "r1645" ] }, "us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillAndIntangibleAssetsGoodwillPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill", "label": "Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for goodwill. This accounting policy also may address how an entity assesses and measures impairment of goodwill, how reporting units are determined, how goodwill is allocated to such units, and how the fair values of the reporting units are determined." } } }, "auth_ref": [ "r377", "r390", "r1228" ] }, "us-gaap_GoodwillForeignCurrencyTranslationGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillForeignCurrencyTranslationGainLoss", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign currency translation adjustment", "label": "Goodwill, Foreign Currency Translation, Gain (Loss)", "documentation": "Amount of foreign currency translation gain (loss) which increases (decreases) asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized." } } }, "auth_ref": [ "r386", "r747" ] }, "us-gaap_GoodwillImpairedAccumulatedImpairmentLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillImpairedAccumulatedImpairmentLoss", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accumulated Impairment", "label": "Goodwill, Impaired, Accumulated Impairment Loss", "documentation": "Amount of accumulated impairment loss for asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized." } } }, "auth_ref": [ "r381", "r388", "r391", "r747", "r1228" ] }, "us-gaap_GoodwillImpairmentLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillImpairmentLoss", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill, impairment loss", "label": "Goodwill, Impairment Loss", "documentation": "Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized." } } }, "auth_ref": [ "r12", "r379", "r385", "r390", "r392", "r747", "r1228", "r1327" ] }, "us-gaap_GoodwillLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillLineItems", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill [Line Items]", "label": "Goodwill [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r389", "r390", "r1228" ] }, "us-gaap_GoodwillRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "GoodwillRollForward", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Goodwill [Roll Forward]", "label": "Goodwill [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "country_HK": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "HK", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hong Kong", "label": "HONG KONG" } } }, "auth_ref": [] }, "us-gaap_HedgingDesignationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "HedgingDesignationAxis", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Designation [Axis]", "label": "Hedging Designation [Axis]", "documentation": "Information by designation of purpose of derivative instrument." } } }, "auth_ref": [ "r1812", "r1814" ] }, "us-gaap_HedgingDesignationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "HedgingDesignationDomain", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Designation [Domain]", "label": "Hedging Designation [Domain]", "documentation": "Designation of purpose of derivative instrument." } } }, "auth_ref": [ "r1812", "r1814" ] }, "us-gaap_HedgingRelationshipDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "HedgingRelationshipDomain", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hedging Relationship [Domain]", "label": "Hedging Relationship [Domain]", "documentation": "Nature or intent of a hedge." } } }, "auth_ref": [] }, "nvl_HindalcoRSUsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "HindalcoRSUsMember", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Hindalco RSUs [Member]", "label": "Hindalco RSUs [Member]", "documentation": "Hindalco RSUs" } } }, "auth_ref": [] }, "nvl_HindalcoSARsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "HindalcoSARsMember", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Hindalco SARs [Member]", "label": "Hindalco SARs [Member]", "documentation": "Hindalco SARs [Member]" } } }, "auth_ref": [] }, "country_IT": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "IT", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Italy", "label": "ITALY" } } }, "auth_ref": [] }, "dei_IcfrAuditorAttestationFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "IcfrAuditorAttestationFlag", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "ICFR Auditor Attestation Flag", "label": "ICFR Auditor Attestation Flag" } } }, "auth_ref": [ "r1388", "r1389", "r1412" ] }, "nvl_IfAdditionalTermLoansToBeIssuedMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IfAdditionalTermLoansToBeIssuedMember", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "If Additional Term Loans to be Issued", "label": "If Additional Term Loans to be Issued [Member]", "documentation": "If Additional Term Loans to be Issued" } } }, "auth_ref": [] }, "nvl_ImpactOfMetalPriceLag": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ImpactOfMetalPriceLag", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Metal price lag", "label": "Impact Of Metal Price Lag", "documentation": "Impact Of Metal Price Lag" } } }, "auth_ref": [] }, "us-gaap_ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ImpairmentOrDisposalOfLongLivedAssetsIncludingIntangibleAssetsPolicyPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Long-Lived Assets and Other Intangible Assets", "label": "Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for the impairment and disposal of long-lived assets including goodwill and other intangible assets." } } }, "auth_ref": [] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Domestic (Canada)", "label": "Income (Loss) from Continuing Operations before Income Taxes, Domestic", "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations." } } }, "auth_ref": [ "r271", "r276", "r680" ] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_ProfitLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Income before income tax provision", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest." } } }, "auth_ref": [ "r118", "r176", "r181", "r995", "r997", "r1018", "r1206", "r1208", "r1210", "r1215", "r1220", "r1616", "r1623", "r1625", "r1626", "r1627" ] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign (all other countries)", "label": "Income (Loss) from Continuing Operations before Income Taxes, Foreign", "documentation": "The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile." } } }, "auth_ref": [ "r271", "r276", "r680" ] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesDomesticandForeignComponentsDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Pre-tax income before equity in net loss (income) of non-consolidated affiliates", "verboseLabel": "Pre-tax income before equity in net loss (income) of non-consolidated affiliates", "label": "Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest", "documentation": "Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments." } } }, "auth_ref": [ "r181", "r1025", "r1215", "r1361", "r1363", "r1616", "r1623", "r1625", "r1626", "r1627" ] }, "us-gaap_IncomeLossFromEquityMethodInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeLossFromEquityMethodInvestments", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 9.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/ConsolidatedStatementsofOperations" ], "lang": { "en-us": { "role": { "negatedLabel": "Equity in net loss (income) of non-consolidated affiliates", "negatedTerseLabel": "Equity in net loss (income) of non-consolidated affiliates", "label": "Income (Loss) from Equity Method Investments", "documentation": "Amount of income (loss) for proportionate share of equity method investee's income (loss)." } } }, "auth_ref": [ "r12", "r119", "r174", "r304", "r323", "r339", "r357", "r1017" ] }, "us-gaap_IncomeStatementAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeStatementAbstract", "lang": { "en-us": { "role": { "terseLabel": "Income Statement [Abstract]", "label": "Income Statement [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Disposal Group Name [Axis]", "label": "Disposal Group Name [Axis]", "documentation": "Information by name of disposal group." } } }, "auth_ref": [ "r412", "r413", "r1260", "r1263" ] }, "us-gaap_IncomeStatementLocationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeStatementLocationAxis", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Statement Location [Axis]", "label": "Statement of Income Location, Balance [Axis]", "documentation": "Information by location in statement of income where disaggregated amount is reported." } } }, "auth_ref": [ "r410", "r419", "r434", "r776", "r785", "r802", "r812", "r868", "r869", "r872", "r886", "r887", "r888", "r1050", "r1052", "r1128", "r1189", "r1190", "r1271", "r1273", "r1322", "r1324", "r1328", "r1333", "r1805", "r1806", "r1874" ] }, "us-gaap_IncomeStatementLocationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeStatementLocationDomain", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Statement Location [Domain]", "label": "Statement of Income Location, Balance [Domain]", "documentation": "Location in statement of income where disaggregated amount is reported." } } }, "auth_ref": [ "r419", "r434", "r776", "r785", "r802", "r812", "r868", "r869", "r872", "r886", "r887", "r888", "r1050", "r1052", "r1128", "r1189", "r1190", "r1271", "r1273", "r1322", "r1324", "r1328", "r1333", "r1805", "r1806", "r1874" ] }, "us-gaap_IncomeTaxAuthorityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxAuthorityAxis", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Authority [Axis]", "label": "Income Tax Jurisdiction [Axis]", "documentation": "Information by income tax jurisdiction." } } }, "auth_ref": [ "r269", "r681", "r682", "r697", "r710", "r1270", "r1796" ] }, "us-gaap_IncomeTaxAuthorityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxAuthorityDomain", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Authority [Domain]", "label": "Income Tax Jurisdiction [Domain]", "documentation": "Income tax jurisdiction." } } }, "auth_ref": [ "r269", "r681", "r682", "r697", "r710", "r1270", "r1796" ] }, "us-gaap_IncomeTaxContingencyLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxContingencyLineItems", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Details [Line Items]", "label": "Income Tax Contingency [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxContingencyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxContingencyTable", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Details [Table]", "label": "Income Tax Contingency [Table]", "documentation": "Disclosure of information about tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months." } } }, "auth_ref": [ "r1791" ] }, "us-gaap_IncomeTaxCreditsAndAdjustments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxCreditsAndAdjustments", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax credits and adjustments", "label": "Income Tax Credits and Adjustments", "documentation": "A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions." } } }, "auth_ref": [ "r134" ] }, "us-gaap_IncomeTaxDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Income Tax Disclosure [Abstract]", "label": "Income Tax Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxes" ], "lang": { "en-us": { "role": { "verboseLabel": "19. INCOME TAXES", "label": "Income Tax Disclosure [Text Block]", "documentation": "The entire disclosure for income tax." } } }, "auth_ref": [ "r271", "r277", "r672", "r681", "r693", "r694", "r695", "r702", "r708", "r720", "r722", "r723", "r724", "r1001", "r1066", "r1075", "r1270" ] }, "us-gaap_IncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_ProfitLoss", "weight": -1.0, "order": 2.0 }, "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/IncomeTaxesIncomeTaxProvisionDetails", "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax provision", "negatedLabel": "Income tax provision (benefit)", "totalLabel": "Income tax provision", "verboseLabel": "Income tax provision (benefit)", "negatedTerseLabel": "Income tax provision", "label": "Income Tax Expense (Benefit)", "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations." } } }, "auth_ref": [ "r187", "r197", "r271", "r299", "r300", "r304", "r324", "r339", "r679", "r681", "r721", "r1026", "r1206", "r1208", "r1210", "r1270" ] }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount", "label": "Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxPaidByIndividualJurisdictionLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPaidByIndividualJurisdictionLineItems", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Paid, by Individual Jurisdiction [Line Items]", "label": "Income Tax Paid, by Individual Jurisdiction [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r269", "r710" ] }, "nvl_IncomeTaxPaidByIndividualJurisdictionPercentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxPaidByIndividualJurisdictionPercentAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percent", "label": "Income Tax Paid, by Individual Jurisdiction, Percent [Abstract]", "documentation": "Income Tax Paid, by Individual Jurisdiction, Percent" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxPaidByIndividualJurisdictionTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPaidByIndividualJurisdictionTable", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income Tax Paid, by Individual Jurisdiction [Table]", "label": "Income Tax Paid, by Individual Jurisdiction [Table]", "documentation": "Disclosure of information about income tax paid by jurisdiction." } } }, "auth_ref": [ "r269", "r710" ] }, "us-gaap_IncomeTaxPaidFederalAfterRefundReceived": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPaidFederalAfterRefundReceived", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": "us-gaap_IncomeTaxesPaidNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Domestic - Federal Tax", "label": "Income Tax Paid, Federal, after Refund Received", "documentation": "Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income." } } }, "auth_ref": [ "r269", "r709" ] }, "nvl_IncomeTaxPaidFederalAfterRefundReceivedPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxPaidFederalAfterRefundReceivedPercent", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": "nvl_IncomeTaxesPaidNetPercent", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Domestic - Federal Tax", "label": "Income Tax Paid, Federal, after Refund Received, Percent", "documentation": "Income Tax Paid, Federal, after Refund Received, Percent" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxPaidForeignAfterRefundReceived": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPaidForeignAfterRefundReceived", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": "us-gaap_IncomeTaxesPaidNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Tax", "label": "Income Tax Paid, Foreign, after Refund Received", "documentation": "Amount, after income tax refund received, of cash paid to foreign tax jurisdiction for tax on income." } } }, "auth_ref": [ "r269", "r709" ] }, "us-gaap_IncomeTaxPaidForeignAfterRefundReceivedAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPaidForeignAfterRefundReceivedAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Tax", "label": "Income Tax Paid, Foreign, after Refund Received [Abstract]" } } }, "auth_ref": [] }, "nvl_IncomeTaxPaidForeignAfterRefundReceivedPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxPaidForeignAfterRefundReceivedPercent", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": "nvl_IncomeTaxesPaidNetPercent", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Tax", "label": "Income Tax Paid, Foreign, after Refund Received, Percent", "documentation": "Income Tax Paid, Foreign, after Refund Received, Percent" } } }, "auth_ref": [] }, "nvl_IncomeTaxPaidForeignAfterRefundReceivedPercentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxPaidForeignAfterRefundReceivedPercentAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign Tax", "label": "Income Tax Paid, Foreign, after Refund Received, Percent [Abstract]", "documentation": "Income Tax Paid, Foreign, after Refund Received, Percent" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Income Taxes", "label": "Income Tax, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements." } } }, "auth_ref": [ "r242", "r675", "r676", "r702", "r703", "r707", "r712", "r1072" ] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateChangeInDeferredTaxAssetsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateChangeInDeferredTaxAssetsValuationAllowance", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Change in valuation allowances", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Change in Deferred Tax Assets Valuation Allowance", "documentation": "The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateExchangeRemeasurementOfDeferredIncomeTaxes": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateExchangeRemeasurementOfDeferredIncomeTaxes", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Exchange remeasurement of deferred income taxes", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Exchange Remeasurement of Deferred Income Taxes", "documentation": "The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to exchange remeasurement of deferred income taxes." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateExchangeTranslationAdjustments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateExchangeTranslationAdjustments", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Exchange translation items", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Exchange Translation Adjustments", "documentation": "The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to exchange translation adjustments." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateNondeductibleExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateNondeductibleExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Expense (income) items not subject to tax", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Nondeductible Expense", "documentation": "The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxContingencies": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxContingencies", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 10.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Uncertain tax positions", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Tax Contingencies", "documentation": "The sum of the differences between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations attributable to changes in all income tax contingencies, whether recorded or adjusted, during the period." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxCreditsAndOtherAllowances": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxCreditsAndOtherAllowances", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax credits", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Tax Credits and other allowances", "documentation": "The sum of the differences between the effective income tax rate and Canadian statutory income tax rate that can be explained by all tax credits generated or utilized under enacted tax laws during the period and other allowances." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxRateDifferencesOnForeignEarnings": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryIncomeTaxRateTaxRateDifferencesOnForeignEarnings", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Tax rate differences on foreign earnings", "label": "Income Tax Reconciliation, Canadian Statutory Income Tax Rate, Tax Rate Differences on Foreign Earnings", "documentation": "The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the year/accounting period and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to tax rate differences on foreign earnings.." } } }, "auth_ref": [] }, "nvl_IncomeTaxReconciliationCanadianStatutoryRateChangeInEnactedTaxRate": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationCanadianStatutoryRateChangeInEnactedTaxRate", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Enacted tax rate changes", "label": "Income tax reconciliation, Canadian Statutory Rate, Change in Enacted Tax Rate", "documentation": "The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the Canadian statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Allowance", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets." } } }, "auth_ref": [ "r689", "r1270", "r1788" ] }, "us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationChangeInEnactedTaxRate", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 13.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Legislative changes including enacted tax rates", "label": "Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates." } } }, "auth_ref": [ "r674", "r681", "r686", "r1270" ] }, "us-gaap_IncomeTaxReconciliationDeductionsDividends": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationDeductionsDividends", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0, "order": 14.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Nontaxable dividends", "label": "Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for dividend." } } }, "auth_ref": [ "r1788", "r1789" ] }, "us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationForeignIncomeTaxRateDifferential", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax rate differential", "label": "Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit)." } } }, "auth_ref": [ "r682", "r685", "r1270", "r1788" ] }, "nvl_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtCanadianStatutoryIncomeTaxRate": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtCanadianStatutoryIncomeTaxRate", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Provision at the Canadian statutory rate", "label": "Income Tax Reconciliation, Income Tax Expense (Benefit), at Canadian Statutory Income Tax Rate", "documentation": "The amount of income tax expense or benefit for the period computed by applying the Canadian statutory tax rates to pretax income from continuing operations." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Canada Statutory Tax Rate", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations." } } }, "auth_ref": [ "r681", "r1270" ] }, "us-gaap_IncomeTaxReconciliationNondeductibleExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationNondeductibleExpenseAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Nontaxable or nondeductible items", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationNondeductibleExpenseOther", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses." } } }, "auth_ref": [ "r1270", "r1788", "r1790" ] }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationOtherAdjustments", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 7.0 }, "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 13.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Other Adjustments", "terseLabel": "Non-deductible expenses and other, net", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments." } } }, "auth_ref": [ "r1270", "r1788", "r1789" ] }, "us-gaap_IncomeTaxReconciliationPriorYearIncomeTaxes": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationPriorYearIncomeTaxes", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 10.0 }, "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Prior year adjustments", "label": "Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit)." } } }, "auth_ref": [ "r1788", "r1789" ] }, "us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationStateAndLocalIncomeTaxes", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "State and Local Income Taxes, net", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit)." } } }, "auth_ref": [ "r684", "r1270", "r1788" ] }, "us-gaap_IncomeTaxReconciliationTaxContingencies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxContingencies", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 15.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Changes in unrecognized tax benefits", "label": "Effective Income Tax Rate Reconciliation, Tax Contingency, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies." } } }, "auth_ref": [ "r691", "r1270", "r1788" ] }, "us-gaap_IncomeTaxReconciliationTaxCredits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxCredits", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0, "order": 9.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits." } } }, "auth_ref": [ "r688", "r692", "r1788" ] }, "us-gaap_IncomeTaxReconciliationTaxCreditsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxCreditsAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Amount [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxReconciliationTaxCreditsForeign": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxCreditsForeign", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Foreign tax credits", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit." } } }, "auth_ref": [ "r1788", "r1790" ] }, "us-gaap_IncomeTaxReconciliationTaxExemptIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxExemptIncome", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Imputed income", "label": "Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes." } } }, "auth_ref": [ "r690", "r692", "r1788" ] }, "us-gaap_IncomeTaxReconciliationTaxSettlements": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxReconciliationTaxSettlements", "crdr": "debit", "calculation": { "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax settlements", "label": "Effective Income Tax Rate Reconciliation, Tax Settlement, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements." } } }, "auth_ref": [ "r1788", "r1789" ] }, "us-gaap_IncomeTaxesPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxesPaid", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Income taxes paid", "label": "Income Taxes Paid", "documentation": "Amount, before refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax." } } }, "auth_ref": [ "r43", "r133", "r1593", "r1794", "r1795" ] }, "us-gaap_IncomeTaxesPaidNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncomeTaxesPaidNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Taxes Paid", "label": "Income Taxes Paid, Net", "documentation": "Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax." } } }, "auth_ref": [ "r43", "r269", "r709", "r710" ] }, "nvl_IncomeTaxesPaidNetPercent": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncomeTaxesPaidNetPercent", "calculation": { "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Taxes Paid", "label": "Income Taxes Paid, Net, Percent", "documentation": "Income Taxes Paid, Net, Percent" } } }, "auth_ref": [] }, "nvl_IncreaseDecreaseForTaxesOnIncomeLossAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IncreaseDecreaseForTaxesOnIncomeLossAbstract", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRateDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Increase (decrease) for taxes on income (loss) resulting from:", "label": "Increase Decrease For Taxes On Income Loss [Abstract]", "documentation": "Increase (decrease) for taxes on income (loss) resulting." } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInAccountsPayable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInAccountsPayable", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 17.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts payable", "label": "Increase (Decrease) in Accounts Payable", "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business." } } }, "auth_ref": [ "r11" ] }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInAccountsReceivable", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 15.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accounts receivable", "label": "Increase (Decrease) in Accounts Receivable", "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services." } } }, "auth_ref": [ "r11" ] }, "us-gaap_IncreaseDecreaseInInventories": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInInventories", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 16.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Inventories", "label": "Increase (Decrease) in Inventories", "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities." } } }, "auth_ref": [ "r11" ] }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Changes in assets and liabilities including assets and liabilities held for sale:", "label": "Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInOtherOperatingAssets", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 18.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Other assets", "label": "Increase (Decrease) in Other Operating Assets", "documentation": "Amount of increase (decrease) in operating assets classified as other." } } }, "auth_ref": [ "r11" ] }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 19.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Other liabilities", "label": "Increase (Decrease) in Other Operating Liabilities", "documentation": "Amount of increase (decrease) in operating liabilities classified as other." } } }, "auth_ref": [ "r11" ] }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Increase (Decrease) in Stockholder's Equity [Roll Forward]", "verboseLabel": "Increase (Decrease) in AOCI [Roll Forward]", "label": "Increase (Decrease) in Stockholders' Equity [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "ecd_IndividualAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "IndividualAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Individual:", "label": "Individual [Axis]" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1454", "r1463", "r1467", "r1475" ] }, "ecd_InsiderTradingArrLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "InsiderTradingArrLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Arrangements [Line Items]" } } }, "auth_ref": [ "r1473" ] }, "ecd_InsiderTradingPoliciesProcLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "InsiderTradingPoliciesProcLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Policies and Procedures [Line Items]" } } }, "auth_ref": [ "r1390", "r1479" ] }, "ecd_InsiderTrdPoliciesProcAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "InsiderTrdPoliciesProcAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "terseLabel": "Insider Trading Policies and Procedures Adopted", "label": "Insider Trading Policies and Procedures Adopted [Flag]" } } }, "auth_ref": [ "r1390", "r1479" ] }, "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "terseLabel": "Insider Trading Policies and Procedures Not Adopted", "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]" } } }, "auth_ref": [ "r1390", "r1479" ] }, "us-gaap_InsuranceRecoveries": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InsuranceRecoveries", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sierre business interruption insurance recoveries", "label": "Insurance Recoveries", "documentation": "The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses." } } }, "auth_ref": [ "r122" ] }, "nvl_IntangibleAssetAmortizationExpenseTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "IntangibleAssetAmortizationExpenseTableTextBlock", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of amortization expense", "label": "Intangible Asset Amortization Expense [Table Text Block]", "documentation": "[Table Text Block] for Intangible Asset Amortization Expense [Table]" } } }, "auth_ref": [] }, "us-gaap_IntangibleAssetsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IntangibleAssetsDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of intangible assets, net", "label": "Intangible Assets Disclosure [Text Block]", "documentation": "The entire disclosure for all or part of the information related to intangible assets." } } }, "auth_ref": [ "r393", "r405", "r407", "r1188", "r1189" ] }, "us-gaap_InterestCostsCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestCostsCapitalized", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Capitalized interest costs", "label": "Interest Costs Capitalized", "documentation": "Amount of interest capitalized during the period." } } }, "auth_ref": [ "r907" ] }, "us-gaap_InterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest expense and amortization of debt issuance costs", "negatedTerseLabel": "Interest expense and amortization of debt issuance costs", "label": "Interest Expense, Operating and Nonoperating", "documentation": "Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense." } } }, "auth_ref": [ "r304", "r316", "r320", "r326", "r339", "r906", "r1220", "r1221", "r1907" ] }, "us-gaap_InterestExpensePolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestExpensePolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Costs", "label": "Interest Expense, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for recognizing interest expense, including the method of amortizing debt issuance costs." } } }, "auth_ref": [ "r1848", "r1852" ] }, "us-gaap_InterestIncomeExpenseNonoperatingNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestIncomeExpenseNonoperatingNet", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest income", "label": "Interest Income (Expense), Nonoperating", "documentation": "Amount of interest income (expense) classified as nonoperating." } } }, "auth_ref": [ "r1220", "r1311", "r1546", "r1623" ] }, "us-gaap_InterestPaidNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestPaidNet", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Interest paid", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activity", "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount." } } }, "auth_ref": [ "r264", "r267", "r268" ] }, "us-gaap_InterestPayableCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestPayableCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails": { "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest payable", "label": "Interest Payable, Current", "documentation": "Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r90" ] }, "us-gaap_InterestRateSwapMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InterestRateSwapMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate swap contracts", "label": "Interest Rate Swap [Member]", "documentation": "Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period." } } }, "auth_ref": [ "r1321", "r1373", "r1374", "r1815" ] }, "us-gaap_IntersegmentEliminationMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "IntersegmentEliminationMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Intersegment eliminations", "label": "Intersegment Eliminations [Member]", "documentation": "Eliminating entries used in operating segment consolidation." } } }, "auth_ref": [ "r180", "r304", "r318", "r333", "r334", "r335", "r336", "r337", "r339", "r340", "r1220" ] }, "us-gaap_InventoryDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryDisclosureAbstract", "lang": { "en-us": { "role": { "terseLabel": "Inventory Disclosure [Abstract]", "label": "Inventory Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InventoryDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/Inventories" ], "lang": { "en-us": { "role": { "verboseLabel": "4. INVENTORIES", "label": "Inventory Disclosure [Text Block]", "documentation": "The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory." } } }, "auth_ref": [ "r374" ] }, "us-gaap_InventoryFinishedGoods": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryFinishedGoods", "crdr": "debit", "calculation": { "http://www.novelis.com/role/InventoriesDetails": { "parentTag": "us-gaap_InventoryNet", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Finished goods", "label": "Inventory, Finished Goods, Gross", "documentation": "Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer." } } }, "auth_ref": [ "r1525" ] }, "us-gaap_InventoryNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 6.0 }, "http://www.novelis.com/role/InventoriesDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Inventories", "totalLabel": "Inventories", "label": "Inventory, Net", "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer." } } }, "auth_ref": [ "r228", "r1195", "r1336" ] }, "us-gaap_InventoryNetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryNetAbstract", "presentation": [ "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Schedule of inventories", "label": "Inventory, Net [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InventoryRawMaterials": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryRawMaterials", "crdr": "debit", "calculation": { "http://www.novelis.com/role/InventoriesDetails": { "parentTag": "us-gaap_InventoryNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Raw materials", "label": "Inventory, Raw Materials, Gross", "documentation": "Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer." } } }, "auth_ref": [ "r1527" ] }, "us-gaap_InventoryWorkInProcess": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryWorkInProcess", "crdr": "debit", "calculation": { "http://www.novelis.com/role/InventoriesDetails": { "parentTag": "us-gaap_InventoryNet", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Work in process", "label": "Inventory, Work in Process, Gross", "documentation": "Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer." } } }, "auth_ref": [ "r1526" ] }, "us-gaap_InventoryWriteDown": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "InventoryWriteDown", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "nvl_GainLossFromCatastrophes", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Inventory charges", "label": "Inventory Write-down", "documentation": "Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels." } } }, "auth_ref": [ "r375" ] }, "nvl_InvestmentInAndAdvancesToNonConsolidatedAffiliatesAndRelatedPartyTransactionsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "InvestmentInAndAdvancesToNonConsolidatedAffiliatesAndRelatedPartyTransactionsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Investment In and Advances To Non-Consolidated Affiliates and Related Party Transactions [Abstract]", "label": "Investment In and Advances To Non-Consolidated Affiliates and Related Party Transactions [Abstract]", "documentation": "Investment In and Advances To Non-Consolidated Affiliates and Related Party Transactions." } } }, "auth_ref": [] }, "country_KR": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "KR", "presentation": [ "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/IncomeTaxesScheduleofTaxesPaidDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Korea", "label": "KOREA, REPUBLIC OF" } } }, "auth_ref": [] }, "nvl_LMECopperAndZincForwardContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "LMECopperAndZincForwardContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "LME Copper and Zinc Forward Contracts", "label": "LME Copper and Zinc Forward Contracts [Member]", "documentation": "Copper Forward Contracts [Member]" } } }, "auth_ref": [] }, "us-gaap_LaborAndRelatedExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LaborAndRelatedExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "us-gaap_LossFromCatastrophes", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Idle fixed costs", "label": "Labor and Related Expense", "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit." } } }, "auth_ref": [ "r990", "r1208", "r1545" ] }, "us-gaap_Land": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Land", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "nvl_PropertyPlantAndEquipmentGrossExcludingConstructionInProgress", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Land and property rights", "label": "Land", "documentation": "Amount before accumulated depletion of real estate held for productive use, excluding land held for sale." } } }, "auth_ref": [ "r1521" ] }, "nvl_LargeScaleMachineryMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "LargeScaleMachineryMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Large scale machinery", "label": "Large scale machinery [Member]", "documentation": "Large scale machinery [Member]" } } }, "auth_ref": [] }, "us-gaap_LeaseCostTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LeaseCostTableTextBlock", "presentation": [ "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Lease, Cost", "label": "Lease, Cost [Table Text Block]", "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income." } } }, "auth_ref": [ "r1853" ] }, "us-gaap_LeaseholdsAndLeaseholdImprovementsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LeaseholdsAndLeaseholdImprovementsMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Leaseholds and Leasehold Improvements", "label": "Leaseholds and Leasehold Improvements [Member]", "documentation": "Asset held by lessee under finance lease and addition or improvement to asset held under lease arrangement." } } }, "auth_ref": [ "r140" ] }, "us-gaap_LeasesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LeasesAbstract", "lang": { "en-us": { "role": { "label": "Leases [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LesseeFinanceLeasesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeFinanceLeasesTextBlock", "presentation": [ "http://www.novelis.com/role/Leases" ], "lang": { "en-us": { "role": { "terseLabel": "9. LEASES", "label": "Lessee, Finance Leases [Text Block]", "documentation": "The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability." } } }, "auth_ref": [ "r913" ] }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "presentation": [ "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Lessee, Operating Lease, Liability, Maturity", "label": "Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]", "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position." } } }, "auth_ref": [ "r1854" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total minimum lease payments", "label": "Lessee, Operating Lease, Liability, to be Paid", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Lessee, Operating Lease, Liability, to be Paid, after Year Five", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Lessee, Operating Lease, Liability, to be Paid, Year One", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2031", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Five", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2030", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2029", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails_1": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r926", "r1597", "r1606", "r1867" ] }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Less: interest", "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease." } } }, "auth_ref": [ "r926" ] }, "us-gaap_LesseeOperatingLeasesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LesseeOperatingLeasesTextBlock", "presentation": [ "http://www.novelis.com/role/Leases" ], "lang": { "en-us": { "role": { "terseLabel": "9. LEASES", "label": "Lessee, Operating Leases [Text Block]", "documentation": "The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability." } } }, "auth_ref": [ "r913" ] }, "us-gaap_LetterOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LetterOfCreditMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Letter of Credit", "label": "Letter of Credit [Member]", "documentation": "A document typically issued by a financial institution which acts as a guarantee of payment to a beneficiary, or as the source of payment for a specific transaction (for example, wiring funds to a foreign exporter if and when specified merchandise is accepted pursuant to the terms of the letter of credit)." } } }, "auth_ref": [] }, "us-gaap_LettersOfCreditOutstandingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LettersOfCreditOutstandingAmount", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Letters of credit outstanding", "label": "Letters of Credit Outstanding, Amount", "documentation": "The total amount of the contingent obligation under letters of credit outstanding as of the reporting date." } } }, "auth_ref": [ "r1362", "r1364" ] }, "us-gaap_Liabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "Liabilities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total liabilities", "terseLabel": "Liabilities", "label": "Liabilities", "documentation": "Amount of liability recognized for present obligation requiring transfer or otherwise providing economic benefit to others." } } }, "auth_ref": [ "r32", "r89", "r90", "r91", "r94", "r95", "r96", "r99", "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r755", "r761", "r762", "r885", "r1099", "r1214", "r1243", "r1381", "r1681", "r1858", "r1859" ] }, "us-gaap_LiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "LIABILITIES", "label": "Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LiabilitiesAndStockholdersEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesAndStockholdersEquity", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total liabilities and equity", "terseLabel": "Liabilities and Equity", "label": "Liabilities and Equity", "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any." } } }, "auth_ref": [ "r107", "r173", "r1012", "r1336", "r1361", "r1363", "r1596", "r1601", "r1630", "r1843" ] }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesAndStockholdersEquityAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "LIABILITIES AND SHAREHOLDER'S EQUITY", "label": "Liabilities and Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LiabilitiesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total current liabilities", "terseLabel": "Liabilities, Current", "label": "Liabilities, Current", "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer." } } }, "auth_ref": [ "r91", "r216", "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r755", "r761", "r762", "r885", "r1336", "r1681", "r1858", "r1859" ] }, "us-gaap_LiabilitiesCurrentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesCurrentAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Current liabilities:", "label": "Liabilities, Current [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LiabilitiesNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilitiesNoncurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Liabilities, Noncurrent", "label": "Liabilities, Noncurrent", "documentation": "Amount of obligation due after one year or beyond the normal operating cycle, if longer." } } }, "auth_ref": [ "r32", "r94", "r95", "r96", "r99", "r271", "r274", "r275", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r755", "r761", "r762", "r885", "r1681", "r1858", "r1859" ] }, "us-gaap_LiabilityForCatastropheClaimsByCatastrophicEventAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LiabilityForCatastropheClaimsByCatastrophicEventAxis", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Catastrophic Event [Axis]", "label": "Catastrophic Event [Axis]", "documentation": "Information by type of catastrophic event, for example, but not limited to, earthquake, windstorm, fire or explosion." } } }, "auth_ref": [ "r1355", "r1901" ] }, "us-gaap_LineOfCredit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCredit", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of credit", "label": "Long-Term Line of Credit", "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement." } } }, "auth_ref": [ "r32", "r170", "r1871" ] }, "nvl_LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Increase in maximum borrowing capacity", "label": "Line of Credit Facility, Increase In Maximum Borrowing Capacity", "documentation": "Line of Credit Facility, Increase In Maximum Borrowing Capacity" } } }, "auth_ref": [] }, "us-gaap_LineOfCreditFacilityLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditFacilityLineItems", "presentation": [ "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit Facility [Line Items]", "label": "Line of Credit Facility [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r451", "r1596", "r1599", "r1678" ] }, "us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditFacilityMaximumBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum borrowing capacity", "label": "Line of Credit Facility, Maximum Borrowing Capacity", "documentation": "Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility." } } }, "auth_ref": [ "r88", "r93" ] }, "us-gaap_LineOfCreditFacilityPeriodicPaymentPrincipal": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditFacilityPeriodicPaymentPrincipal", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate principal amount (more than)", "label": "Line of Credit Facility, Periodic Payment, Principal", "documentation": "Amount of the required periodic payment applied to principal." } } }, "auth_ref": [ "r88", "r93" ] }, "nvl_LineOfCreditFacilityPotentialAdditionalBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "LineOfCreditFacilityPotentialAdditionalBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of credit facility, potential additional borrowing capacity", "label": "Line of Credit Facility, Potential Additional Borrowing Capacity", "documentation": "Amount of potential additional borrowing capacity under the credit facility." } } }, "auth_ref": [] }, "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditFacilityRemainingBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Remaining borrowing capacity", "label": "Line of Credit Facility, Remaining Borrowing Capacity", "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding)." } } }, "auth_ref": [ "r88", "r93", "r451" ] }, "us-gaap_LineOfCreditFacilityTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditFacilityTable", "presentation": [ "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit Facility [Table]", "label": "Line of Credit Facility [Table]", "documentation": "Disclosure of information about short-term and long-term contractual arrangements with lender under which borrowing can occur up to maximum amount. Includes, but is not limited to, letter of credit, standby letter of credit, and revolving credit arrangement." } } }, "auth_ref": [ "r88", "r93", "r451", "r1596", "r1599", "r1678" ] }, "us-gaap_LineOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LineOfCreditMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Line of Credit", "label": "Line of Credit [Member]", "documentation": "A contractual arrangement with a lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars." } } }, "auth_ref": [] }, "srt_LitigationCaseAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "LitigationCaseAxis", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Litigation Case [Axis]", "label": "Litigation Case [Axis]" } } }, "auth_ref": [] }, "srt_LitigationCaseTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "LitigationCaseTypeDomain", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Litigation Case [Domain]", "label": "Litigation Case [Domain]" } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LoansAndLeasesReceivableDisclosureLineItems", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans and Leases Receivable Disclosure [Line Items]", "label": "Loans and Leases Receivable Disclosure [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableDisclosureTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LoansAndLeasesReceivableDisclosureTable", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans and Leases Receivable Disclosure [Table]", "label": "Loans and Leases Receivable Disclosure [Table]", "documentation": "Disclosure of information about loans and leases receivable." } } }, "auth_ref": [ "r183" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2025", "localname": "LocalPhoneNumber", "presentation": [ "http://www.novelis.com/role/DocumentandEntityInformation" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "us-gaap_LongTermDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebt", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term debt, carrying value", "label": "Long-Term Debt", "documentation": "Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation." } } }, "auth_ref": [ "r32", "r170", "r272", "r283", "r476", "r492", "r999", "r1239", "r1240", "r1334", "r1871" ] }, "us-gaap_LongTermDebtAndCapitalLeaseObligations": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtAndCapitalLeaseObligations", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Long\u2013term debt, net of current portion", "terseLabel": "Carrying Value, Long-term debt, net of current portion", "label": "Long-Term Debt and Lease Obligation", "documentation": "Amount of long-term debt and lease obligation, classified as noncurrent." } } }, "auth_ref": [ "r32", "r1004" ] }, "us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtAndCapitalLeaseObligationsCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtScheduleofDebtDetails": { "parentTag": "us-gaap_DebtLongtermAndShorttermCombinedAmount", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Current portion of long\u2013term debt", "terseLabel": "Current portion of long-term debt", "label": "Long-Term Debt and Lease Obligation, Current", "documentation": "Amount of long-term debt and lease obligation, classified as current." } } }, "auth_ref": [ "r90" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Thereafter", "label": "Long-Term Debt, Maturity, after Year Five", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r1597", "r1606", "r1687", "r1867" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term borrowings and current portion of long-term debt due within one year", "label": "Long-Term Debt, Maturity, Year One", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r272", "r283", "r481", "r999" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "5 years", "label": "Long-Term Debt, Maturity, Year Five", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r272", "r283", "r481", "r999" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "4 years", "label": "Long-Term Debt, Maturity, Year Four", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r272", "r283", "r481", "r999" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "3 years", "label": "Long-Term Debt, Maturity, Year Three", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r272", "r283", "r481", "r999" ] }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails": { "parentTag": "nvl_DebtLongTermAndShortTermCombinedAmountPrincipalAmount", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "2 years", "label": "Long-Term Debt, Maturity, Year Two", "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r16", "r272", "r283", "r481", "r999" ] }, "us-gaap_LongtermDebtTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongtermDebtTypeAxis", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term Debt, Type [Axis]", "label": "Long-Term Debt, Type [Axis]", "documentation": "Information by type of long-term debt." } } }, "auth_ref": [ "r32", "r1659", "r1660", "r1661" ] }, "us-gaap_LongtermDebtTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LongtermDebtTypeDomain", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term Debt, Type [Domain]", "label": "Long-Term Debt, Type [Domain]", "documentation": "Type of long-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer." } } }, "auth_ref": [ "r32", "r61", "r1659", "r1660", "r1661" ] }, "nvl_LongtermgrowthassetsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "LongtermgrowthassetsMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Long-term Growth Assets [Member]", "label": "Long term growth assets [Member]", "documentation": "Long term growth assets [Member]" } } }, "auth_ref": [] }, "us-gaap_LossContingenciesByNatureOfContingencyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingenciesByNatureOfContingencyAxis", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingency Nature [Axis]", "label": "Loss Contingency Nature [Axis]", "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur." } } }, "auth_ref": [ "r311", "r442", "r443", "r444", "r449", "r668", "r1065", "r1237", "r1674", "r1675" ] }, "us-gaap_LossContingenciesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingenciesLineItems", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingencies [Line Items]", "label": "Loss Contingencies [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r311", "r442", "r443", "r444", "r449", "r668", "r1237", "r1674", "r1675" ] }, "us-gaap_LossContingenciesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingenciesTable", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingencies [Table]", "label": "Loss Contingencies [Table]", "documentation": "Disclosure of information about loss contingency. Excludes environmental contingency, warranty, and unconditional purchase obligation." } } }, "auth_ref": [ "r311", "r442", "r443", "r444", "r449", "r668", "r1237", "r1674", "r1675" ] }, "us-gaap_LossContingencyAccrualAtCarryingValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingencyAccrualAtCarryingValue", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Settlement liabilities", "label": "Loss Contingency Accrual", "documentation": "Amount of loss contingency liability." } } }, "auth_ref": [ "r442", "r1502" ] }, "us-gaap_LossContingencyAccrualDisclosuresAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingencyAccrualDisclosuresAbstract", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingency Accrual [Abstract]", "label": "Loss Contingency Accrual, Disclosures [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LossContingencyEstimateOfPossibleLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingencyEstimateOfPossibleLoss", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Estimate of possible loss", "label": "Loss Contingency, Estimate of Possible Loss", "documentation": "Reflects the estimated amount of loss from the specified contingency as of the balance sheet date." } } }, "auth_ref": [ "r311", "r443", "r444", "r448", "r449", "r668", "r1237" ] }, "us-gaap_LossContingencyNatureDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossContingencyNatureDomain", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingency, Nature [Domain]", "label": "Loss Contingency, Nature [Domain]", "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability." } } }, "auth_ref": [ "r311", "r442", "r443", "r444", "r449", "r668", "r1065", "r1237", "r1674", "r1675" ] }, "us-gaap_LossFromCatastrophes": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "LossFromCatastrophes", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "totalLabel": "September and November Oswego fires losses, net of recoveries", "label": "Loss from Catastrophes", "documentation": "The charge against earnings in the period for the uninsured portion of a loss from a fire, explosion, or natural disaster (hurricane, earthquake)." } } }, "auth_ref": [ "r125" ] }, "us-gaap_MachineryAndEquipmentGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "MachineryAndEquipmentGross", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "nvl_PropertyPlantAndEquipmentGrossExcludingConstructionInProgress", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Machinery and equipment", "label": "Machinery and Equipment, Gross", "documentation": "Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment." } } }, "auth_ref": [ "r140" ] }, "us-gaap_MachineryAndEquipmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "MachineryAndEquipmentMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Machinery and Equipment", "label": "Machinery and Equipment [Member]", "documentation": "Tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment." } } }, "auth_ref": [] }, "nvl_MaintainingMinimumFixedChargeRatioMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "MaintainingMinimumFixedChargeRatioMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maintaining Minimum Fixed Charge Ratio", "label": "Maintaining Minimum Fixed Charge Ratio [Member]", "documentation": "Maintaining Minimum Fixed Charge Ratio" } } }, "auth_ref": [] }, "srt_MajorCustomersAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "MajorCustomersAxis", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Major Customers [Axis]", "label": "Customer [Axis]" } } }, "auth_ref": [ "r346", "r1245", "r1248", "r1353", "r1359", "r1872", "r1875", "r1876", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_MaturitiesOfLongTermDebtAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "MaturitiesOfLongTermDebtAbstract", "presentation": [ "http://www.novelis.com/role/DebtPrincipalPaymentRequirementsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Maturities of long-term debt outstanding", "label": "Maturities of Long-Term Debt [Abstract]" } } }, "auth_ref": [] }, "nvl_MaximumAmortizationPeriodofUnfundedActuarialLiability": { "xbrltype": "durationItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "MaximumAmortizationPeriodofUnfundedActuarialLiability", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Maximum amortization period of unfunded actuarial liability", "label": "Maximum Amortization Period of Unfunded Actuarial Liability", "documentation": "Maximum Amortization Period of Unfunded Actuarial Liability" } } }, "auth_ref": [] }, "srt_MaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "MaximumMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails", "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum", "label": "Maximum [Member]" } } }, "auth_ref": [ "r311", "r443", "r444", "r446", "r447", "r614", "r645", "r646", "r647", "r668", "r867", "r948", "r1049", "r1051", "r1065", "r1091", "r1092", "r1148", "r1150", "r1152", "r1153", "r1163", "r1168", "r1169", "r1171", "r1172", "r1186", "r1187", "r1225", "r1244", "r1266", "r1271", "r1275", "r1276", "r1329", "r1330", "r1331", "r1332", "r1354", "r1685", "r1860", "r1861", "r1862", "r1863", "r1864", "r1865" ] }, "ecd_MeasureAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "MeasureAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Measure:", "label": "Measure [Axis]" } } }, "auth_ref": [ "r1446" ] }, "ecd_MeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "MeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Measure Name" } } }, "auth_ref": [ "r1446" ] }, "nvl_MetalContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "MetalContractsMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsDerivativeAssetsandLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Metal contracts", "label": "Metal Contracts [Member]", "documentation": "Metal Contracts" } } }, "auth_ref": [] }, "nvl_MetalForwardContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "MetalForwardContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Metal forward contracts", "label": "Metal forward contracts [Member]", "documentation": "Metal forward contracts" } } }, "auth_ref": [] }, "nvl_MidwestPremiumMWPContractsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "MidwestPremiumMWPContractsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Midwest Premium (\"MWP\") Contracts", "label": "Midwest Premium (\"MWP\") Contracts [Member]", "documentation": "Midwest Premium (\"MWP\") Contracts" } } }, "auth_ref": [] }, "srt_MinimumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "MinimumMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum", "label": "Minimum [Member]" } } }, "auth_ref": [ "r311", "r443", "r444", "r446", "r447", "r614", "r645", "r646", "r647", "r668", "r867", "r948", "r1049", "r1051", "r1065", "r1091", "r1092", "r1148", "r1150", "r1152", "r1153", "r1163", "r1168", "r1169", "r1171", "r1172", "r1186", "r1187", "r1225", "r1244", "r1266", "r1271", "r1275", "r1276", "r1329", "r1330", "r1331", "r1354", "r1685", "r1860", "r1861", "r1862", "r1863", "r1864", "r1865" ] }, "us-gaap_MinorityInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "MinorityInterest", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Noncontrolling interests", "label": "Equity, Attributable to Noncontrolling Interest", "documentation": "Amount of equity (deficit) attributable to noncontrolling interest. Excludes temporary equity." } } }, "auth_ref": [ "r106", "r172", "r271", "r274", "r275", "r362", "r452", "r455", "r456", "r457", "r461", "r462", "r1011", "r1103", "r1843" ] }, "ecd_MnpiDiscTimedForCompValFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "MnpiDiscTimedForCompValFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "MNPI Disclosure Timed for Compensation Value", "label": "MNPI Disclosure Timed for Compensation Value [Flag]" } } }, "auth_ref": [ "r1466" ] }, "ecd_MtrlTermsOfTrdArrTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "MtrlTermsOfTrdArrTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Material Terms of Trading Arrangement", "label": "Material Terms of Trading Arrangement [Text Block]" } } }, "auth_ref": [ "r1474" ] }, "stpr_NY": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/stpr/2025", "localname": "NY", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "New York", "label": "NEW YORK" } } }, "auth_ref": [] }, "srt_NameOfMajorCustomerDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "NameOfMajorCustomerDomain", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Name of Major Customer [Domain]", "label": "Customer [Domain]" } } }, "auth_ref": [ "r346", "r1245", "r1248", "r1353", "r1359", "r1872", "r1875", "r1876", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "ecd_NamedExecutiveOfficersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NamedExecutiveOfficersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Named Executive Officers, Footnote", "label": "Named Executive Officers, Footnote [Text Block]" } } }, "auth_ref": [ "r1447" ] }, "nvl_NaturalGasSwapsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NaturalGasSwapsMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Natural Gas Swaps", "label": "Natural Gas Swaps [Member]", "documentation": "Natural gas swaps." } } }, "auth_ref": [] }, "nvl_NearTermBenefitPaymentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NearTermBenefitPaymentsMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Near-term Benefit Payments [Member]", "label": "Near Term Benefit Payments [Member]", "documentation": "Near Term Benefit Payments [Member]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInFinancingActivities", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash provided by (used in) financing activities", "label": "Cash Provided by (Used in) Financing Activity, Including Discontinued Operation", "documentation": "Amount of cash inflow (outflow) from financing activity, including, but not limited to, discontinued operation. Financing activity includes, but is not limited to, obtaining resource from owner and providing return on, and return of, their investment; borrowing money and repaying amount borrowed, or settling obligation; and obtaining and paying for other resource obtained from creditor on long-term credit." } } }, "auth_ref": [ "r266" ] }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "FINANCING ACTIVITIES", "label": "Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInInvestingActivities", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash used in investing activities", "label": "Cash Provided by (Used in) Investing Activity, Including Discontinued Operation", "documentation": "Amount of cash inflow (outflow) from investing activity, including, but not limited to, discontinued operation. Investing activity includes, but is not limited to, making and collecting loan, acquiring and disposing of debt and equity instruments, property, plant, and equipment, and other productive assets." } } }, "auth_ref": [ "r266" ] }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "INVESTING ACTIVITIES", "label": "Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInOperatingActivities", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash (used in) provided by operating activities", "label": "Cash Provided by (Used in) Operating Activity, Including Discontinued Operation", "documentation": "Amount of cash inflow (outflow) from operating activity, including, but not limited to, discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity." } } }, "auth_ref": [ "r131", "r132", "r134" ] }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "OPERATING ACTIVITIES", "label": "Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetIncomeLoss", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net income attributable to our common shareholder", "verboseLabel": "Net income attributable to our common shareholder", "terseLabel": "Net income attributable to our common shareholder", "label": "Net Income (Loss) Attributable to Parent", "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent." } } }, "auth_ref": [ "r121", "r134", "r177", "r211", "r214", "r237", "r240", "r245", "r271", "r274", "r275", "r279", "r288", "r293", "r294", "r295", "r296", "r297", "r299", "r300", "r302", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r497", "r500", "r502", "r505", "r656", "r733", "r752", "r861", "r885", "r1020", "r1123", "r1142", "r1143", "r1206", "r1208", "r1210", "r1379", "r1681" ] }, "us-gaap_NetInvestmentHedgingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NetInvestmentHedgingMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net investment hedges", "label": "Net Investment Hedging [Member]", "documentation": "Hedges of a net investment in a foreign operation." } } }, "auth_ref": [] }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r201", "r202", "r203", "r204", "r205", "r206", "r207", "r208", "r209", "r210", "r211", "r261", "r262", "r263", "r287", "r288", "r289", "r290", "r291", "r292", "r295", "r301", "r303", "r347", "r348", "r365", "r366", "r367", "r368", "r408", "r409", "r427", "r494", "r495", "r496", "r497", "r654", "r655", "r656", "r657", "r714", "r715", "r716", "r717", "r718", "r726", "r727", "r728", "r729", "r730", "r731", "r732", "r733", "r734", "r742", "r743", "r744", "r748", "r749", "r750", "r751", "r752", "r835", "r836", "r837", "r838", "r839", "r840", "r841", "r842", "r843", "r844", "r851", "r852", "r853", "r854", "r855", "r856", "r857", "r858", "r859", "r860", "r861", "r874", "r875", "r911", "r912", "r928", "r929", "r930", "r931", "r932", "r933", "r1053", "r1054", "r1055", "r1056", "r1057", "r1058", "r1059", "r1060", "r1061", "r1062", "r1063", "r1064", "r1070" ] }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleTable", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "New Accounting Pronouncements or Change in Accounting Principle [Table]", "label": "Accounting Standards Update and Change in Accounting Principle [Table]", "documentation": "Disclosure of information about change in accounting principle or amendment to accounting standards or both. Includes, but is not limited to, nature, reason, and method of adopting amendment to accounting standards and other change in accounting principle." } } }, "auth_ref": [ "r201", "r202", "r203", "r204", "r205", "r206", "r207", "r208", "r209", "r210", "r211", "r261", "r262", "r263", "r287", "r288", "r289", "r290", "r291", "r292", "r295", "r301", "r303", "r347", "r348", "r365", "r366", "r367", "r368", "r408", "r409", "r427", "r494", "r495", "r496", "r497", "r654", "r655", "r656", "r657", "r714", "r715", "r716", "r717", "r718", "r726", "r727", "r728", "r729", "r730", "r731", "r732", "r733", "r734", "r742", "r743", "r744", "r748", "r749", "r750", "r751", "r752", "r835", "r836", "r837", "r838", "r839", "r840", "r841", "r842", "r843", "r844", "r851", "r852", "r853", "r854", "r855", "r856", "r857", "r858", "r859", "r860", "r861", "r874", "r875", "r911", "r912", "r928", "r929", "r930", "r931", "r932", "r933", "r1053", "r1054", "r1055", "r1056", "r1057", "r1058", "r1059", "r1060", "r1061", "r1062", "r1063", "r1064", "r1070" ] }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Recently Adopted Accounting Standards and Recently Issued Accounting Standards (Not Yet Adopted)", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact." } } }, "auth_ref": [] }, "nvl_NonCashChargesRelatedToCatastrophicEvents1": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NonCashChargesRelatedToCatastrophicEvents1", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 13.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Non-cash charges related to Oswego fires", "label": "Non-Cash Charges Related To Catastrophic Events1", "documentation": "Non-Cash Charges Related To Catastrophic Events1" } } }, "auth_ref": [] }, "nvl_NonCashChargesRelatedToNaturalDisasters": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NonCashChargesRelatedToNaturalDisasters", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Non-cash charges related to Sierre flooding", "label": "Non-Cash Charges Related To Natural Disasters", "documentation": "Non-Cash Charges Related To Natural Disasters" } } }, "auth_ref": [] }, "ecd_NonGaapMeasureDescriptionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonGaapMeasureDescriptionTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-GAAP Measure Description", "label": "Non-GAAP Measure Description [Text Block]" } } }, "auth_ref": [ "r1446" ] }, "ecd_NonNeosMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonNeosMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-NEOs", "label": "Non-NEOs [Member]" } } }, "auth_ref": [ "r1409", "r1420", "r1430", "r1454", "r1463" ] }, "ecd_NonPeoNeoAvgCompActuallyPaidAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonPeoNeoAvgCompActuallyPaidAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount", "label": "Non-PEO NEO Average Compensation Actually Paid Amount" } } }, "auth_ref": [ "r1437" ] }, "ecd_NonPeoNeoAvgTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonPeoNeoAvgTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO Average Total Compensation Amount", "label": "Non-PEO NEO Average Total Compensation Amount" } } }, "auth_ref": [ "r1436" ] }, "ecd_NonPeoNeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonPeoNeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Non-PEO NEO", "label": "Non-PEO NEO [Member]" } } }, "auth_ref": [ "r1454" ] }, "ecd_NonRule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonRule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted", "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]" } } }, "auth_ref": [ "r1474" ] }, "ecd_NonRule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "NonRule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated", "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]" } } }, "auth_ref": [ "r1474" ] }, "us-gaap_NoncontrollingInterestMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NoncontrollingInterestMember", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Noncontrolling Interests", "label": "Noncontrolling Interest [Member]", "documentation": "This element represents that portion of equity (net assets) in a subsidiary not attributable, directly or indirectly, to the parent. A noncontrolling interest is sometimes called a minority interest." } } }, "auth_ref": [ "r74", "r508", "r1612", "r1613", "r1614", "r1615", "r1911" ] }, "us-gaap_NoncurrentAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NoncurrentAssets", "crdr": "debit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Long-lived assets and other intangible assets", "label": "Long-Lived Assets", "documentation": "Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets." } } }, "auth_ref": [ "r345" ] }, "us-gaap_NondesignatedMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NondesignatedMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsNotionalAmountinktDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Derivatives not designated as hedging instruments:", "label": "Not Designated as Hedging Instrument [Member]", "documentation": "Derivative instrument not designated as hedging instrument under Generally Accepted Accounting Principles (GAAP)." } } }, "auth_ref": [] }, "us-gaap_NonrelatedPartyMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NonrelatedPartyMember", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Third Parties", "label": "Nonrelated Party [Member]", "documentation": "Party not related to reporting entity." } } }, "auth_ref": [ "r1596", "r1604", "r1605" ] }, "srt_NorthAmericaMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "NorthAmericaMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "North America", "label": "North America [Member]" } } }, "auth_ref": [ "r1913", "r1915", "r1916", "r1917" ] }, "nvl_NorthAmericaSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NorthAmericaSegmentMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "North America Segment", "label": "North America Segment [Member]", "documentation": "North America Segment" } } }, "auth_ref": [] }, "us-gaap_NotesReceivableGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NotesReceivableGross", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable", "label": "Financing Receivable, before Allowance for Credit Loss", "documentation": "Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease." } } }, "auth_ref": [ "r184", "r185", "r199", "r200", "r225", "r350", "r372", "r373", "r877", "r1167", "r1226", "r1227", "r1518", "r1631" ] }, "nvl_NumberOfContinentsInWhichEntityOperates": { "xbrltype": "integerItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NumberOfContinentsInWhichEntityOperates", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of Continents in which Entity Operates", "label": "Number of Continents in which Entity Operates", "documentation": "Number of Continents in which Entity Operates" } } }, "auth_ref": [] }, "us-gaap_NumberOfCountriesInWhichEntityOperates": { "xbrltype": "integerItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NumberOfCountriesInWhichEntityOperates", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Number of countries Company operates in", "label": "Number of Countries in which Entity Operates", "documentation": "The number of countries in which the entity operates as of balance sheet date." } } }, "auth_ref": [] }, "nvl_NumberOfOperatingFacilities": { "xbrltype": "integerItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NumberOfOperatingFacilities", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual" ], "lang": { "en-us": { "role": { "verboseLabel": "Number of operating plants", "label": "Number of Operating Facilities", "documentation": "Number of operating facilities" } } }, "auth_ref": [] }, "us-gaap_NumberOfOperatingSegments": { "xbrltype": "integerItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NumberOfOperatingSegments", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Number of operating segments", "label": "Number of Operating Segments", "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues." } } }, "auth_ref": [ "r1221", "r1622" ] }, "nvl_NumberOfPlantsWithRecyclingOperations": { "xbrltype": "integerItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "NumberOfPlantsWithRecyclingOperations", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Number of plants with recycling operations", "label": "Number of Plants with Recycling Operations", "documentation": "Number of plants with recycling operations" } } }, "auth_ref": [] }, "us-gaap_NumberOfReportableSegments": { "xbrltype": "integerItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "NumberOfReportableSegments", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Number of reportable segments", "label": "Number of Reportable Segments", "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements." } } }, "auth_ref": [ "r1216", "r1224", "r1622" ] }, "nvl_OperatingAndFinanceLeaseLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OperatingAndFinanceLeaseLiabilities", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating and Finance Lease Liabilities", "label": "Operating and Finance Lease Liabilities", "documentation": "Operating and Finance Lease Liabilities" } } }, "auth_ref": [] }, "nvl_OperatingAndFinanceLeaseRightOfUseAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OperatingAndFinanceLeaseRightOfUseAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating and Finance Lease Right of Use Assets", "label": "Operating and Finance Lease Right of Use Assets", "documentation": "Operating and Finance Lease Right of Use Assets" } } }, "auth_ref": [] }, "us-gaap_OperatingIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingIncomeLoss", "crdr": "credit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Adjusted EBITDA", "terseLabel": "Adjusted EBITDA", "label": "Operating Income (Loss)", "documentation": "The net result for the period of deducting operating expenses from operating revenues." } } }, "auth_ref": [ "r181", "r1206", "r1210", "r1215", "r1616", "r1623", "r1625", "r1626", "r1627" ] }, "us-gaap_OperatingLeaseCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseCost", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesLeasecostDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Cost", "label": "Operating Lease, Cost", "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability." } } }, "auth_ref": [ "r921", "r1335" ] }, "us-gaap_OperatingLeaseLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseLiability", "crdr": "credit", "calculation": { "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/LeasesFutureMinimumLeasePaymentsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Present value of lease liabilities", "label": "Operating Lease, Liability", "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease." } } }, "auth_ref": [ "r916" ] }, "us-gaap_OperatingLeaseLiabilityCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseLiabilityCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Liability, Current", "label": "Operating Lease, Liability, Current", "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as current." } } }, "auth_ref": [ "r916" ] }, "us-gaap_OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]", "label": "Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes current operating lease liability." } } }, "auth_ref": [ "r917" ] }, "us-gaap_OperatingLeaseLiabilityNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseLiabilityNoncurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Liability, Noncurrent", "label": "Operating Lease, Liability, Noncurrent", "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent." } } }, "auth_ref": [ "r916" ] }, "us-gaap_OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]", "label": "Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes noncurrent operating lease liability." } } }, "auth_ref": [ "r917" ] }, "us-gaap_OperatingLeasePayments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeasePayments", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/LeasesSupplementalCashflowInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Payments", "label": "Operating Lease, Payments", "documentation": "Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use." } } }, "auth_ref": [ "r920", "r922" ] }, "us-gaap_OperatingLeaseRightOfUseAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseRightOfUseAsset", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Right of use assets", "label": "Operating Lease, Right-of-Use Asset", "documentation": "Amount of lessee's right to use underlying asset under operating lease." } } }, "auth_ref": [ "r915" ] }, "us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofAssetsandLiabilitiesrelatedtoLeasesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]", "label": "Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes operating lease right-of-use asset." } } }, "auth_ref": [ "r917" ] }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofLeaseInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Weighted Average Discount Rate, Percent", "label": "Operating Lease, Weighted Average Discount Rate, Percent", "documentation": "Weighted average discount rate for operating lease calculated at point in time." } } }, "auth_ref": [ "r925", "r1335" ] }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "presentation": [ "http://www.novelis.com/role/LeasesScheduleofLeaseInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Lease, Weighted Average Remaining Lease Term", "label": "Operating Lease, Weighted Average Remaining Lease Term", "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r924", "r1335" ] }, "us-gaap_OperatingLossCarryforwards": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLossCarryforwards", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating loss carryforwards", "label": "Operating Loss Carryforwards", "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws." } } }, "auth_ref": [ "r711" ] }, "us-gaap_OperatingLossCarryforwardsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingLossCarryforwardsValuationAllowance", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating loss carryforwards, valuation allowance", "label": "Operating Loss Carryforwards, Valuation Allowance", "documentation": "The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized." } } }, "auth_ref": [ "r1793" ] }, "nvl_OperatingLossCarryforwardtaxeffected": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OperatingLossCarryforwardtaxeffected", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net operating loss carryforwards", "label": "Operating Loss Carryforward, tax effected", "documentation": "Operating Loss Carryforward, tax effected" } } }, "auth_ref": [] }, "us-gaap_OperatingSegmentsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OperatingSegmentsMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Segments", "label": "Operating Segments [Member]", "documentation": "Identifies components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity." } } }, "auth_ref": [ "r333", "r334", "r335", "r336", "r337", "r340", "r1220", "r1221" ] }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Organization, Consolidation and Presentation of Financial Statements [Abstract]", "label": "Organization, Consolidation and Presentation of Financial Statements [Abstract]" } } }, "auth_ref": [] }, "us-gaap_OtherAssetsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherAssetsFairValueDisclosure", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Assets, Fair Value Disclosure", "label": "Other Assets, Fair Value Disclosure", "documentation": "Fair value portion of other assets." } } }, "auth_ref": [ "r1824", "r1825", "r1835", "r1839", "r1840", "r1841", "r1842" ] }, "us-gaap_OtherAssetsNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherAssetsNoncurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other long\u2013term assets", "verboseLabel": "Other long\u2013term assets", "label": "Other Assets, Noncurrent", "documentation": "Amount of noncurrent assets classified as other." } } }, "auth_ref": [ "r221" ] }, "us-gaap_OtherAssetsNoncurrentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherAssetsNoncurrentAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Other long\u2013term assets", "label": "Other Assets, Noncurrent [Abstract]" } } }, "auth_ref": [] }, "us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Currency\u00a0translation\u00a0adjustment, included in other comprehensive (loss) income", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax", "documentation": "Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature." } } }, "auth_ref": [ "r2", "r113", "r114", "r116", "r891", "r893", "r897" ] }, "us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Prior service credit", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax", "documentation": "Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan." } } }, "auth_ref": [ "r6", "r116", "r236", "r558", "r586" ] }, "nvl_OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansActuarialLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherComprehensiveIncomeLossAmortizationPensionAndOtherPostretirementBenefitPlansActuarialLossBeforeTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Actuarial losses (gains)", "label": "Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans, Actuarial Loss, Before Tax", "documentation": "Other Comprehensive Income Loss Amortization Pension And Other Postretirement Benefit Plans, Actuarial Loss, Before Tax" } } }, "auth_ref": [] }, "us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other comprehensive (loss) income before reclassifications", "label": "Other Comprehensive Income (Loss), before Reclassifications, Net of Tax", "documentation": "Amount after tax, before reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r30", "r34", "r244", "r847", "r898", "r901", "r904", "r1021", "r1542" ] }, "us-gaap_OtherComprehensiveIncomeLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossBeforeTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Other comprehensive (loss) income before income tax effect", "label": "Other Comprehensive Income (Loss), before Tax", "documentation": "Amount before tax, after reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r246", "r898", "r899", "r904", "r991", "r1021", "r1542", "r1543" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Change in fair value of effective portion of hedges, net of tax provision (benefit), included in other comprehensive (loss) income", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax", "documentation": "Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r232", "r233", "r1021" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "terseLabel": "Net change in fair value of effective portion of cash flow hedges", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax", "documentation": "Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r232", "r233", "r1021" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationTaxParent", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Tax (benefit) provision", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax, Parent", "documentation": "Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent." } } }, "auth_ref": [ "r234" ] }, "us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsImpactonAOCIandEarningsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax", "label": "Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax", "documentation": "Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness." } } }, "auth_ref": [ "r234" ] }, "us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "terseLabel": "Currency translation adjustment", "label": "Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax", "documentation": "Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature." } } }, "auth_ref": [ "r2", "r116", "r1021" ] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Other comprehensive (loss) income, net of tax", "label": "Other Comprehensive Income (Loss), Net of Tax", "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r22", "r30", "r238", "r241", "r246", "r297", "r898", "r899", "r904", "r991", "r1021", "r1542", "r1543" ] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "verboseLabel": "Other comprehensive income (loss):", "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]" } } }, "auth_ref": [] }, "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTax", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Net change in pension and other benefits", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax", "documentation": "Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan." } } }, "auth_ref": [ "r3", "r4", "r115", "r116", "r1021", "r1258", "r1732" ] }, "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "negatedLabel": "Change in pension and other benefits, net of tax provision (benefit), included in other comprehensive (loss) income", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax", "documentation": "Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan." } } }, "auth_ref": [ "r3", "r4", "r115", "r116", "r1021" ] }, "us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Tax on change in pension and other benefits", "label": "Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax", "documentation": "Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan." } } }, "auth_ref": [ "r3", "r4", "r5", "r115", "r164" ] }, "us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherComprehensiveIncomeLossTaxPortionAttributableToParent1", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax (benefit) provision related to items of other comprehensive income", "label": "Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent", "documentation": "Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity." } } }, "auth_ref": [ "r7", "r21", "r164" ] }, "us-gaap_OtherCurrentLiabilitiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherCurrentLiabilitiesMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Current Liabilities", "label": "Other Current Liabilities [Member]", "documentation": "Primary financial statement caption encompassing other current liabilities." } } }, "auth_ref": [] }, "nvl_OtherDebtduethroughDecember2020Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherDebtduethroughDecember2020Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Debt, due through December 2020", "label": "Other Debt, due through December 2020 [Member]", "documentation": "Other Debt, due through December 2020 [Member]" } } }, "auth_ref": [] }, "nvl_OtherEuropeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherEuropeMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Europe", "label": "Other Europe [Member]", "documentation": "Other Europe [Member]" } } }, "auth_ref": [] }, "us-gaap_OtherIncomeAndExpensesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherIncomeAndExpensesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Other Income and Expenses [Abstract]", "label": "Other Income and Expenses [Abstract]" } } }, "auth_ref": [] }, "us-gaap_OtherIntangibleAssetsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherIntangibleAssetsMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Intangible Assets", "label": "Other Intangible Assets [Member]", "documentation": "Intangible assets classified as other." } } }, "auth_ref": [ "r1193", "r1646", "r1647", "r1648", "r1649", "r1650", "r1651", "r1652", "r1654", "r1655", "r1656" ] }, "us-gaap_OtherIntangibleAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherIntangibleAssetsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails": { "parentTag": "us-gaap_NoncurrentAssets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other intangible assets", "label": "Other Intangible Assets, Net", "documentation": "Amount after accumulated amortization of finite-lived and indefinite-lived intangible assets classified as other." } } }, "auth_ref": [] }, "us-gaap_OtherInventorySupplies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherInventorySupplies", "crdr": "debit", "calculation": { "http://www.novelis.com/role/InventoriesDetails": { "parentTag": "us-gaap_InventoryNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/InventoriesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Supplies", "label": "Other Inventory, Supplies, Gross", "documentation": "Amount before valuation and LIFO reserves of other supplies used within the manufacturing or production process expected to be consumed within one year or operating cycle, if longer." } } }, "auth_ref": [ "r1528" ] }, "us-gaap_OtherLiabilitiesCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherLiabilitiesCurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails": { "parentTag": "us-gaap_AccruedLiabilitiesCurrent", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other current liabilities", "label": "Other Liabilities, Current", "documentation": "Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r90", "r1336" ] }, "us-gaap_OtherLiabilitiesNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherLiabilitiesNoncurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Other long\u2013term liabilities", "label": "Other Liabilities, Noncurrent", "documentation": "Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r95" ] }, "us-gaap_OtherMachineryAndEquipmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherMachineryAndEquipmentMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Machinery and Equipment", "label": "Other Machinery and Equipment [Member]", "documentation": "Other tangible personal property, nonconsumable in nature, with finite lives used to produce goods and services." } } }, "auth_ref": [] }, "us-gaap_OtherNoncashIncomeExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNoncashIncomeExpense", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 14.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Other, net", "label": "Other Noncash Income (Expense)", "documentation": "Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other." } } }, "auth_ref": [ "r134" ] }, "us-gaap_OtherNoncurrentLiabilitiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNoncurrentLiabilitiesMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Long-term Liabilities", "label": "Other Noncurrent Liabilities [Member]", "documentation": "Primary financial statement caption encompassing other noncurrent liabilities." } } }, "auth_ref": [] }, "us-gaap_OtherNoninterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNoninterestExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "nvl_GainLossFromCatastrophes", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Other Noninterest Expense", "documentation": "Amount of noninterest expense classified as other." } } }, "auth_ref": [ "r175", "r1208" ] }, "us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNonoperatingIncomeAndExpenseTextBlock", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncome" ], "lang": { "en-us": { "role": { "terseLabel": "18. OTHER (INCOME) EXPENSES, NET", "label": "Other Nonoperating Income and Expense [Text Block]", "documentation": "The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items." } } }, "auth_ref": [ "r251", "r252" ] }, "us-gaap_OtherNonoperatingIncomeExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNonoperatingIncomeExpense", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": -1.0, "order": 7.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Other expenses (income), net", "terseLabel": "Other expenses (income), net", "label": "Other Nonoperating Income (Expense)", "documentation": "Amount of income (expense) related to nonoperating activities, classified as other." } } }, "auth_ref": [ "r125", "r1311" ] }, "nvl_OtherNonoperatingIncomeExpenseNonsegment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherNonoperatingIncomeExpenseNonsegment", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other, net", "label": "Other Nonoperating Income (Expense), Nonsegment", "documentation": "Other Nonoperating Income (Expense), Nonsegment" } } }, "auth_ref": [] }, "nvl_OtherNonoperatingIncomeExpenseOther": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherNonoperatingIncomeExpenseOther", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other, net", "label": "Other Nonoperating Income (Expense), Other", "documentation": "Other Nonoperating Income (Expense), Other" } } }, "auth_ref": [] }, "us-gaap_OtherNonrecurringExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherNonrecurringExpense", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other nonrecurring expense", "label": "Other Nonrecurring Expense", "documentation": "Amount of other expense that is infrequent in occurrence or unusual in nature." } } }, "auth_ref": [ "r127" ] }, "us-gaap_OtherPensionPlansDefinedBenefitMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherPensionPlansDefinedBenefitMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Pension Plan [Member]", "label": "Other Pension Plan [Member]", "documentation": "Plan designed to provide retirement benefits, classified as other. Includes, but is not limited to, defined benefit and defined contribution plans." } } }, "auth_ref": [] }, "ecd_OtherPerfMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "OtherPerfMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Other Performance Measure, Amount", "label": "Other Performance Measure, Amount" } } }, "auth_ref": [ "r1446" ] }, "nvl_OtherPlanAssetsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherPlanAssetsMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other [Member]", "label": "Other Plan Assets [Member]", "documentation": "Other Plan Assets [Member]" } } }, "auth_ref": [] }, "us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherPostretirementBenefitPlansDefinedBenefitMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Other Benefits [Member]", "label": "Other Postretirement Benefits Plan [Member]", "documentation": "Plan designed to provide other postretirement benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes pension benefits." } } }, "auth_ref": [ "r513", "r517", "r518", "r519", "r520", "r521", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r548", "r549", "r550", "r551", "r552", "r553", "r554", "r555", "r556", "r557", "r558", "r559", "r561", "r563", "r564", "r566", "r569", "r572", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r597", "r598", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r611", "r612", "r613", "r1258", "r1259", "r1260", "r1261", "r1262" ] }, "us-gaap_OtherReceivablesGrossCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherReceivablesGrossCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails": { "parentTag": "us-gaap_AccountsReceivableGrossCurrent", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other accounts receivable", "label": "Other Receivables, Gross, Current", "documentation": "Amount, before allowance, of receivables classified as other, due within one year or the operating cycle, if longer." } } }, "auth_ref": [ "r224" ] }, "us-gaap_OtherRestructuringCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherRestructuringCosts", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Other Restructuring Costs", "documentation": "Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_OtherRestructuringMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "OtherRestructuringMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Restructuring [Member]", "label": "Other Restructuring [Member]", "documentation": "Restructuring and related activities classified as other." } } }, "auth_ref": [ "r1204", "r1233", "r1234", "r1235", "r1236" ] }, "nvl_OtherShortTermDebtMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "OtherShortTermDebtMember", "presentation": [ "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other Short-Term Debt", "label": "Other Short-Term Debt [Member]", "documentation": "Other Short-Term Debt" } } }, "auth_ref": [] }, "ecd_OutstandingAggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "OutstandingAggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount", "label": "Outstanding Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r1407", "r1418", "r1428", "r1461" ] }, "ecd_OutstandingRecoveryCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "OutstandingRecoveryCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Amount", "label": "Outstanding Recovery Compensation Amount" } } }, "auth_ref": [ "r1410", "r1421", "r1431", "r1464" ] }, "ecd_OutstandingRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "OutstandingRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Outstanding Recovery, Individual Name" } } }, "auth_ref": [ "r1410", "r1421", "r1431", "r1464" ] }, "srt_ParentCompanyMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ParentCompanyMember", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Parent Company", "label": "Parent Company [Member]" } } }, "auth_ref": [ "r272", "r283", "r999" ] }, "ecd_PayVsPerformanceDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PayVsPerformanceDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Pay vs Performance Disclosure [Line Items]" } } }, "auth_ref": [ "r1435" ] }, "nvl_PaymentsForProceedsFromAdvanceToAffiliate": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PaymentsForProceedsFromAdvanceToAffiliate", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Proceeds (outflows) from investment in and advances to non-consolidated affiliates, net", "label": "Payments For (Proceeds from) Advance To Affiliate", "documentation": "Payments For (Proceeds from) Advance To Affiliate" } } }, "auth_ref": [] }, "us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsForProceedsFromDerivativeInstrumentInvestingActivities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Outflows from settlement of derivative instruments, net", "label": "Payments for (Proceeds from) Derivative Instrument, Investing Activities", "documentation": "The net cash outflow or inflow from derivative instruments during the period, which are classified as investing activities, excluding those designated as hedging instruments." } } }, "auth_ref": [] }, "us-gaap_PaymentsForProceedsFromOtherInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsForProceedsFromOtherInvestingActivities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Other", "label": "Payment for (Proceeds from) Other Investing Activity", "documentation": "Amount of cash (inflow) outflow from investing activity, classified as other." } } }, "auth_ref": [ "r1508", "r1589" ] }, "us-gaap_PaymentsForRestructuring": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsForRestructuring", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Cash payments", "label": "Payments for Restructuring", "documentation": "Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r433", "r1591" ] }, "us-gaap_PaymentsOfDebtIssuanceCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsOfDebtIssuanceCosts", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Debt issuance costs", "label": "Payments of Debt Issuance Costs", "documentation": "The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt." } } }, "auth_ref": [ "r40" ] }, "us-gaap_PaymentsOfDividends": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsOfDividends", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Return of capital to our common shareholder", "label": "Payments of Dividends", "documentation": "Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests." } } }, "auth_ref": [ "r130" ] }, "us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsToAcquireBusinessesNetOfCashAcquired", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Acquisition of business and other investments", "label": "Payments to Acquire Businesses, Net of Cash Acquired", "documentation": "The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase." } } }, "auth_ref": [ "r37" ] }, "us-gaap_PaymentsToAcquireOtherProductiveAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PaymentsToAcquireOtherProductiveAssets", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Capital expenditures", "label": "Payments to Acquire Other Productive Assets", "documentation": "Amount of cash outflow for the purchase of or improvements to tangible or intangible assets, used to produce goods or deliver services, classified as other." } } }, "auth_ref": [ "r129" ] }, "ecd_PeerGroupIssuersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeerGroupIssuersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Peer Group Issuers, Footnote", "label": "Peer Group Issuers, Footnote [Text Block]" } } }, "auth_ref": [ "r1445" ] }, "ecd_PeerGroupTotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeerGroupTotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Peer Group Total Shareholder Return Amount", "label": "Peer Group Total Shareholder Return Amount" } } }, "auth_ref": [ "r1445" ] }, "us-gaap_PensionAndOtherPostretirementBenefitContributions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionAndOtherPostretirementBenefitContributions", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total contributions", "terseLabel": "Payment for Pension and Other Postretirement Benefits", "label": "Payment for Pension and Other Postretirement Benefits", "documentation": "Amount of cash outflow for pension and other postretirement benefits. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree." } } }, "auth_ref": [ "r10" ] }, "us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlans" ], "lang": { "en-us": { "role": { "verboseLabel": "13. POSTRETIREMENT BENEFIT PLANS", "label": "Retirement Benefits [Text Block]", "documentation": "The entire disclosure for retirement benefits." } } }, "auth_ref": [ "r512", "r538", "r540", "r546", "r565", "r567", "r568", "r569", "r570", "r571", "r608", "r609", "r611", "r1258" ] }, "us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails": { "parentTag": "us-gaap_DefinedBenefitPlanFundedStatusOfPlan", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accrued expenses and other current liabilities", "label": "Liability, Defined Benefit Plan, Current", "documentation": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current." } } }, "auth_ref": [ "r90", "r513", "r514", "r537", "r585", "r1258" ] }, "us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent", "crdr": "credit", "calculation": { "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails": { "parentTag": "us-gaap_DefinedBenefitPlanFundedStatusOfPlan", "weight": -1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Accrued postretirement benefits", "negatedTerseLabel": "Accrued postretirement benefits", "label": "Liability, Defined Benefit Plan, Noncurrent", "documentation": "Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent." } } }, "auth_ref": [ "r95", "r513", "r514", "r537", "r585", "r1258" ] }, "us-gaap_PensionAndOtherPostretirementPlansPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionAndOtherPostretirementPlansPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Pension and Postretirement Benefits", "label": "Pension and Other Postretirement Plans, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for pension and other postretirement benefit plans. This accounting policy may address (1) the types of plans sponsored by the entity, and the benefits provided by each plan (2) groups that participate in (or are covered by) each plan (3) how plan assets, liabilities and expenses are measured, including the use of any actuaries and (4) significant assumptions used by the entity to value plan assets and liabilities and how such assumptions are derived." } } }, "auth_ref": [ "r17", "r18", "r19", "r20", "r23" ] }, "us-gaap_PensionPlansDefinedBenefitMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PensionPlansDefinedBenefitMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Benefits [Member]", "verboseLabel": "Defined Benefit Pension Plans [Member]", "label": "Pension Plan [Member]", "documentation": "Plan designed to provide participant with pension benefits. Includes, but is not limited to, defined benefit and defined contribution plans. Excludes other postretirement benefits." } } }, "auth_ref": [ "r513", "r517", "r518", "r519", "r520", "r521", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r554", "r555", "r556", "r557", "r558", "r559", "r561", "r563", "r564", "r566", "r569", "r572", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r597", "r598", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r611", "r612", "r615", "r1258", "r1259", "r1263", "r1264", "r1265" ] }, "nvl_PensionPlanswithProjectedBenefitObligationsLessthanPlanAssetsFairValueofPlanAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PensionPlanswithProjectedBenefitObligationsLessthanPlanAssetsFairValueofPlanAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pension plans with accumulated benefit obligations in excess of plan assets, fair value of plan assets", "label": "Pension Plans with Projected Benefit Obligations Less than Plan Assets, Fair Value of Plan Assets", "documentation": "Pension Plans with Projected Benefit Obligations Less than Plan Assets, Fair Value of Plan Assets" } } }, "auth_ref": [] }, "nvl_PensionPlanswithProjectedBenefitObligationsLessthanPlanAssetsProjectedBenefitObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PensionPlanswithProjectedBenefitObligationsLessthanPlanAssetsProjectedBenefitObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pension plans with accumulated benefit obligations in excess of plan assets, projected benefit obligation", "label": "Pension Plans with Projected Benefit Obligations Less than Plan Assets, Projected Benefit Obligation", "documentation": "Pension Plans with Projected Benefit Obligations Less than Plan Assets, Projected Benefit Obligation" } } }, "auth_ref": [] }, "ecd_PeoActuallyPaidCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeoActuallyPaidCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Actually Paid Compensation Amount", "label": "PEO Actually Paid Compensation Amount" } } }, "auth_ref": [ "r1437" ] }, "ecd_PeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO", "label": "PEO [Member]" } } }, "auth_ref": [ "r1454" ] }, "ecd_PeoName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeoName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Name", "label": "PEO Name" } } }, "auth_ref": [ "r1447" ] }, "ecd_PeoTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PeoTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "PEO Total Compensation Amount", "label": "PEO Total Compensation Amount" } } }, "auth_ref": [ "r1436" ] }, "nvl_PercentageofForeignBenefitObligationtoTotalBenefitObligation": { "xbrltype": "percentItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PercentageofForeignBenefitObligationtoTotalBenefitObligation", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of foreign benefit obligation to total benefit obligation", "label": "Percentage of Foreign Benefit Obligation to Total Benefit Obligation", "documentation": "Percentage of Foreign Benefit Obligation to Total Benefit Obligation" } } }, "auth_ref": [] }, "us-gaap_PlanAssetCategoriesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PlanAssetCategoriesDomain", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Asset Categories [Domain]", "label": "Defined Benefit Plan, Plan Assets, Category [Domain]", "documentation": "Defined benefit plan asset investment." } } }, "auth_ref": [ "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r566", "r578", "r579", "r580", "r594", "r1253", "r1254", "r1255", "r1256", "r1258" ] }, "us-gaap_PlanNameAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PlanNameAxis", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Name [Axis]", "label": "Plan Name [Axis]", "documentation": "Information by plan name for share-based payment arrangement." } } }, "auth_ref": [ "r1758", "r1759", "r1760", "r1761", "r1762", "r1763", "r1764", "r1765", "r1766", "r1767", "r1768", "r1769", "r1770", "r1771", "r1772", "r1773", "r1774", "r1775", "r1776", "r1777", "r1778", "r1779", "r1780", "r1781", "r1782", "r1783" ] }, "us-gaap_PlanNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PlanNameDomain", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Name [Domain]", "label": "Plan Name [Domain]", "documentation": "Plan name for share-based payment arrangement." } } }, "auth_ref": [ "r1758", "r1759", "r1760", "r1761", "r1762", "r1763", "r1764", "r1765", "r1766", "r1767", "r1768", "r1769", "r1770", "r1771", "r1772", "r1773", "r1774", "r1775", "r1776", "r1777", "r1778", "r1779", "r1780", "r1781", "r1782", "r1783" ] }, "ecd_PnsnAdjsPrrSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PnsnAdjsPrrSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Adjustments Prior Service Cost", "label": "Pension Adjustments Prior Service Cost [Member]" } } }, "auth_ref": [ "r1438" ] }, "ecd_PnsnAdjsSvcCstMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PnsnAdjsSvcCstMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Adjustments Service Cost", "label": "Pension Adjustments Service Cost [Member]" } } }, "auth_ref": [ "r1494" ] }, "ecd_PnsnBnftsAdjFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PnsnBnftsAdjFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pension Benefits Adjustments, Footnote", "label": "Pension Benefits Adjustments, Footnote [Text Block]" } } }, "auth_ref": [ "r1437" ] }, "us-gaap_PostemploymentBenefitsLiabilityCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PostemploymentBenefitsLiabilityCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Postemployment benefits lability, current", "label": "Postemployment Benefits Liability, Current", "documentation": "For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable within one year of the balance sheet date." } } }, "auth_ref": [ "r90", "r1690", "r1691" ] }, "us-gaap_PostemploymentBenefitsLiabilityNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PostemploymentBenefitsLiabilityNoncurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Postemployment benefits liability, noncurrent", "label": "Postemployment Benefits Liability, Noncurrent", "documentation": "For a classified balance sheet, the carrying amount as of the balance sheet date of the portion of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement that is payable after one year (or beyond the operating cycle if longer)." } } }, "auth_ref": [ "r1690", "r1691" ] }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PrepaidExpenseAndOtherAssetsCurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Prepaid expenses and other current assets", "label": "Prepaid Expense and Other Assets, Current", "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r1529" ] }, "us-gaap_PrimeRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PrimeRateMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Prime Rate", "label": "Prime Rate [Member]", "documentation": "Interest rate charged by financial institutions to their most creditworthy borrowers." } } }, "auth_ref": [ "r1530", "r1679" ] }, "us-gaap_ProceedsFromContributionsFromParent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromContributionsFromParent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from equity contribution from our common shareholder", "label": "Proceeds from Contributions from Parent", "documentation": "The cash inflow from parent as a source of financing that is recorded as additional paid in capital." } } }, "auth_ref": [ "r38" ] }, "us-gaap_ProceedsFromInsuranceSettlementInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromInsuranceSettlementInvestingActivities", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from insurance claims", "label": "Proceeds from Insurance Settlement, Investing Activities", "documentation": "Amount of cash inflow for proceeds from settlement of insurance claim, classified as investing activities. Excludes insurance settlement classified as operating activities." } } }, "auth_ref": [ "r8", "r36" ] }, "us-gaap_ProceedsFromIssuanceOfDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromIssuanceOfDebt", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/DebtLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from issuance of long-term and short-term borrowings", "label": "Proceeds from Issuance of Debt", "documentation": "The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt." } } }, "auth_ref": [ "r1590" ] }, "us-gaap_ProceedsFromLinesOfCredit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromLinesOfCredit", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from lines of credit", "label": "Proceeds from Lines of Credit", "documentation": "Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements." } } }, "auth_ref": [ "r39", "r1596", "r1599" ] }, "us-gaap_ProceedsFromRepaymentsOfShortTermDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromRepaymentsOfShortTermDebt", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Revolving credit facilities and other, net", "label": "Proceeds from (Repayments of) Short-Term Debt", "documentation": "The net cash inflow or outflow for borrowing having initial term of repayment within one year or the normal operating cycle, if longer." } } }, "auth_ref": [] }, "us-gaap_ProceedsFromSaleOfProductiveAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromSaleOfProductiveAssets", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from sales of assets, third party", "label": "Proceeds from Sale of Productive Assets", "documentation": "The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets." } } }, "auth_ref": [ "r128" ] }, "us-gaap_ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProceedsFromSalesOfBusinessAffiliateAndProductiveAssets", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from the sale of a business", "label": "Proceeds from Sales of Business, Affiliate and Productive Assets", "documentation": "Aggregate cash proceeds received from a combination of transactions in which noncurrent assets are sold, which may include the sale of a business, an investment in an affiliate (including an equity method investee), property, plant and equipment and intangible assets. Excludes sales of trading, available-for-sale, and held-to-maturity securities." } } }, "auth_ref": [ "r1508" ] }, "srt_ProductOrServiceAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ProductOrServiceAxis", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Products and Services [Axis]", "label": "Product and Service [Axis]" } } }, "auth_ref": [ "r342", "r949", "r1038", "r1039", "r1040", "r1041", "r1042", "r1043", "r1048", "r1191", "r1205", "r1208", "r1210", "r1245", "r1246", "r1352", "r1354", "r1356", "r1360", "r1365", "r1511", "r1547", "r1548", "r1549", "r1550", "r1551", "r1552", "r1553", "r1554", "r1555", "r1556", "r1557", "r1558", "r1559", "r1560", "r1561", "r1562", "r1563", "r1564", "r1565", "r1566", "r1567", "r1568", "r1569", "r1570", "r1571", "r1572", "r1573", "r1574", "r1575", "r1576", "r1577", "r1578", "r1579", "r1580", "r1581", "r1582", "r1583", "r1585", "r1586", "r1587", "r1588", "r1676", "r1677", "r1872", "r1875", "r1876", "r1877", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "srt_ProductsAndServicesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ProductsAndServicesDomain", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Products and Services [Domain]", "label": "Product and Service [Domain]" } } }, "auth_ref": [ "r342", "r949", "r1038", "r1039", "r1040", "r1041", "r1042", "r1043", "r1048", "r1191", "r1205", "r1208", "r1210", "r1245", "r1246", "r1352", "r1354", "r1356", "r1360", "r1365", "r1511", "r1547", "r1548", "r1549", "r1550", "r1551", "r1552", "r1553", "r1554", "r1555", "r1556", "r1557", "r1558", "r1559", "r1560", "r1561", "r1562", "r1563", "r1564", "r1565", "r1566", "r1567", "r1568", "r1569", "r1570", "r1571", "r1572", "r1573", "r1574", "r1575", "r1576", "r1577", "r1578", "r1579", "r1580", "r1581", "r1582", "r1583", "r1585", "r1586", "r1587", "r1588", "r1676", "r1677", "r1872", "r1875", "r1876", "r1877", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_ProfessionalFees": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProfessionalFees", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Professional fees", "label": "Professional Fees", "documentation": "A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer." } } }, "auth_ref": [ "r1208", "r1220", "r1379", "r1908", "r1909" ] }, "us-gaap_ProfitLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProfitLoss", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows", "http://www.novelis.com/role/ConsolidatedStatementsofComprehensiveIncomeLoss", "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Net income", "terseLabel": "Net income", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest." } } }, "auth_ref": [ "r211", "r214", "r237", "r240", "r265", "r271", "r274", "r275", "r279", "r288", "r297", "r299", "r300", "r362", "r452", "r453", "r455", "r456", "r457", "r458", "r459", "r461", "r462", "r497", "r656", "r733", "r752", "r753", "r756", "r757", "r861", "r885", "r995", "r997", "r1019", "r1077", "r1123", "r1142", "r1143", "r1307", "r1308", "r1380", "r1544", "r1681" ] }, "nvl_PropertyInsuranceRecoveries": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PropertyInsuranceRecoveries", "crdr": "credit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "nvl_GainLossFromCatastrophes", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Property insurance recoveries", "label": "Property Insurance Recoveries", "documentation": "Property Insurance Recoveries" } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentAbstract", "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment [Abstract]", "label": "Property, Plant and Equipment [Abstract]" } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Accumulated depreciation and amortization", "terseLabel": "Accumulated depreciation and amortization", "label": "Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization", "documentation": "Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease." } } }, "auth_ref": [ "r1509", "r1513", "r1657" ] }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentByTypeAxis", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment, Type [Axis]", "label": "Long-Lived Tangible Asset [Axis]", "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale." } } }, "auth_ref": [ "r15", "r927" ] }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipment" ], "lang": { "en-us": { "role": { "terseLabel": "5. PROPERTY, PLANT AND EQUIPMENT", "label": "Property, Plant and Equipment Disclosure [Text Block]", "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections." } } }, "auth_ref": [ "r138", "r193", "r194", "r195" ] }, "nvl_PropertyPlantAndEquipmentGrossExcludingConstructionInProgress": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PropertyPlantAndEquipmentGrossExcludingConstructionInProgress", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "nvl_PropertyPlantAndEquipmentNetExcludingConstructionInProgress", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Property, plant and equipment, gross", "label": "Property, Plant and Equipment, Gross, Excluding Construction In Progress", "documentation": "Property, Plant and Equipment, Gross, Excluding Construction In Progress" } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentLineItems", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment [Line Items]", "label": "Property, Plant and Equipment [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r927" ] }, "us-gaap_PropertyPlantAndEquipmentNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails": { "parentTag": "us-gaap_NoncurrentAssets", "weight": 1.0, "order": 2.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 7.0 }, "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Property, plant and equipment, net", "totalLabel": "Property, plant and equipment, net", "terseLabel": "Long-lived assets", "label": "Property, Plant and Equipment, Net", "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures." } } }, "auth_ref": [ "r15", "r927", "r1000", "r1016", "r1336" ] }, "nvl_PropertyPlantAndEquipmentNetExcludingConstructionInProgress": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PropertyPlantAndEquipmentNetExcludingConstructionInProgress", "crdr": "debit", "calculation": { "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails": { "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Property, plant and equipment, net excluding construction in progress", "label": "Property Plant and Equipment, net excluding construction in progress", "documentation": "Property Plant and Equipment, net excluding construction in progress" } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections." } } }, "auth_ref": [ "r15", "r193", "r194", "r1014" ] }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentTextBlock", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of property, plant and equipment", "label": "Property, Plant and Equipment [Table Text Block]", "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation." } } }, "auth_ref": [ "r15" ] }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentTypeDomain", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment, Type [Domain]", "label": "Long-Lived Tangible Asset [Domain]", "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software." } } }, "auth_ref": [ "r140", "r927" ] }, "us-gaap_PropertyPlantAndEquipmentUsefulLife": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "PropertyPlantAndEquipmentUsefulLife", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Property, plant and equipment, useful life", "label": "Property, Plant and Equipment, Useful Life", "documentation": "Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment." } } }, "auth_ref": [] }, "us-gaap_ProvisionForDoubtfulAccounts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ProvisionForDoubtfulAccounts", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/AccountsReceivableAllowanceforDoubtfulAccountsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Additions Charged\u00a0to Expense", "label": "Accounts Receivable, Credit Loss Expense (Reversal)", "documentation": "Amount of expense (reversal of expense) for expected credit loss on accounts receivable." } } }, "auth_ref": [ "r250", "r255", "r370" ] }, "nvl_PurchaseOfTollingServices": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "PurchaseOfTollingServices", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Purchase of tolling services from Alunorf", "label": "Purchase Of Tolling Services", "documentation": "Purchase of tolling services." } } }, "auth_ref": [] }, "ecd_PvpTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PvpTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pay vs Performance Disclosure", "label": "Pay vs Performance Disclosure [Table]" } } }, "auth_ref": [ "r1435" ] }, "ecd_PvpTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "PvpTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Pay vs Performance Disclosure, Table", "label": "Pay vs Performance [Table Text Block]" } } }, "auth_ref": [ "r1435" ] }, "srt_RangeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "RangeAxis", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails", "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Range [Axis]", "label": "Statistical Measurement [Axis]" } } }, "auth_ref": [ "r311", "r443", "r444", "r446", "r447", "r538", "r614", "r645", "r646", "r647", "r653", "r668", "r867", "r942", "r946", "r948", "r1049", "r1051", "r1065", "r1091", "r1092", "r1148", "r1150", "r1152", "r1153", "r1163", "r1168", "r1169", "r1171", "r1172", "r1186", "r1187", "r1225", "r1244", "r1266", "r1271", "r1275", "r1276", "r1329", "r1330", "r1331", "r1332", "r1354", "r1368", "r1664", "r1685", "r1827", "r1861", "r1862", "r1863", "r1864", "r1865" ] }, "srt_RangeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "RangeMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsSummaryofGrossFairValueDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails", "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Range [Domain]", "label": "Statistical Measurement [Domain]" } } }, "auth_ref": [ "r311", "r443", "r444", "r446", "r447", "r538", "r614", "r645", "r646", "r647", "r653", "r668", "r867", "r942", "r946", "r948", "r1049", "r1051", "r1065", "r1091", "r1092", "r1148", "r1150", "r1152", "r1153", "r1163", "r1168", "r1169", "r1171", "r1172", "r1186", "r1187", "r1225", "r1244", "r1266", "r1271", "r1275", "r1276", "r1329", "r1330", "r1331", "r1332", "r1354", "r1368", "r1664", "r1685", "r1827", "r1861", "r1862", "r1863", "r1864", "r1865" ] }, "nvl_RangeOfEstimatedUsefulLivesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RangeOfEstimatedUsefulLivesTableTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Range of Estimated Useful Lives", "label": "Range of Estimated Useful Lives [Table Text Block]", "documentation": "Range of Estimated Useful Lives [Table Text Block]" } } }, "auth_ref": [] }, "us-gaap_RealEstateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RealEstateMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Real Estate [Member]", "label": "Real Estate [Member]", "documentation": "Property consisting of land, land improvement and buildings." } } }, "auth_ref": [ "r1688", "r1689" ] }, "nvl_RealizedGainLossOnDerivativeInstrumentsNotIncludedInSegmentIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RealizedGainLossOnDerivativeInstrumentsNotIncludedInSegmentIncome", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Realized losses (gains) on derivative instruments not included in Adjusted EBITDA", "label": "Realized Gain (Loss) on Derivative Instruments, Not Included in Segment Income", "documentation": "Realized Gain (Loss) on Derivative Instruments, Not Included in Segment Income" } } }, "auth_ref": [] }, "nvl_RealizedGainsLossesOnDerivativeNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RealizedGainsLossesOnDerivativeNet", "crdr": "credit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Realized losses (gains), net", "label": "Realized Gains Losses On Derivative Net", "documentation": "Realized gains losses on derivative net." } } }, "auth_ref": [] }, "us-gaap_ReceivablesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReceivablesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Receivables [Abstract]", "label": "Receivables [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ReceivablesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReceivablesPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Accounts Receivable", "label": "Receivable [Policy Text Block]", "documentation": "Disclosure of accounting policy for receivable. Includes, but is not limited to, accounts receivable and financing receivable." } } }, "auth_ref": [ "r352", "r353", "r354", "r356", "r1628" ] }, "us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax", "crdr": "debit", "calculation": { "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Amounts reclassified from accumulated other comprehensive loss, net", "label": "Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax", "documentation": "Amount after tax of reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r30", "r34", "r244", "r848", "r898", "r903", "r904", "r1021", "r1542" ] }, "us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Reconciliation of income from reportable segments to net income attributable to common shareholder", "label": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Reconciliation from income from reportable segments to net income attributable to out common shareholder", "label": "Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]", "documentation": "Tabular disclosure of the reconciliation of profit (loss) from reportable segments to the consolidated income (loss) before income tax expense (benefit) and discontinued operations. Includes, but is not limited to, reconciliation after income tax if income tax is allocated to the reportable segment." } } }, "auth_ref": [ "r50", "r51" ] }, "us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]", "label": "Unrecognized Tax Benefits [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "ecd_RecoveryOfErrCompDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "RecoveryOfErrCompDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]" } } }, "auth_ref": [ "r1402", "r1413", "r1423", "r1456" ] }, "us-gaap_RelatedPartyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RelatedPartyDomain", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party [Domain]", "label": "Related and Nonrelated Parties [Domain]", "documentation": "Related and nonrelated parties. Related party includes, but is not limited to, affiliate, other entity for which investment is accounted for under equity method, trust for benefit of employee, principal owner, management, and member of immediate family, and other party that may be prevented from pursuing separate interests because of control, significant influence, or ownership interest." } } }, "auth_ref": [ "r271", "r278", "r279", "r350", "r566", "r594", "r934", "r935", "r1005", "r1013", "r1094", "r1095", "r1096", "r1097", "r1098", "r1120", "r1147", "r1906" ] }, "us-gaap_RelatedPartyMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RelatedPartyMember", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Related Parties", "label": "Related Party [Member]", "documentation": "Party related to reporting entity. Includes, but is not limited to, affiliate, entity for which investment is accounted for by equity method, trust for benefit of employees, and principal owner, management, and members of immediate family." } } }, "auth_ref": [ "r271", "r278", "r279", "r934", "r935", "r936", "r937", "r1005", "r1013", "r1094", "r1095", "r1096", "r1097", "r1098", "r1120", "r1147" ] }, "us-gaap_RelatedPartyTransactionLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RelatedPartyTransactionLineItems", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party Transaction [Line Items]", "label": "Related Party Transaction [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r271", "r278", "r279", "r350", "r934", "r935", "r937", "r1126", "r1127", "r1128" ] }, "us-gaap_RelatedPartyTransactionsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RelatedPartyTransactionsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Related Party Transactions [Abstract]", "label": "Related Party Transactions [Abstract]" } } }, "auth_ref": [] }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "presentation": [ "http://www.novelis.com/role/AccountsReceivableScheduleofaccountsreceivableDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party [Axis]", "label": "Related and Nonrelated Parties [Axis]", "documentation": "Information by related and nonrelated parties. Related party includes, but is not limited to, affiliate, other entity for which investment is accounted for under equity method, trust for benefit of employee, principal owner, management, and member of immediate family, and other party that may be prevented from pursuing separate interests because of control, significant influence, or ownership interest." } } }, "auth_ref": [ "r271", "r278", "r279", "r350", "r566", "r594", "r934", "r935", "r1005", "r1013", "r1094", "r1095", "r1096", "r1097", "r1098", "r1120", "r1147", "r1857", "r1906" ] }, "nvl_RepairsAndCleanUpCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RepairsAndCleanUpCosts", "crdr": "debit", "calculation": { "http://www.novelis.com/role/OtherExpenseIncomeDetails": { "parentTag": "us-gaap_LossFromCatastrophes", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Repairs and clean-up costs", "label": "Repairs And Clean-Up Costs", "documentation": "Repairs And Clean-Up Costs" } } }, "auth_ref": [] }, "us-gaap_RepaymentsOfDebtAndCapitalLeaseObligations": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RepaymentsOfDebtAndCapitalLeaseObligations", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Principal payments of long-term and short-term borrowings", "label": "Repayments of Debt and Lease Obligation", "documentation": "Amount of cash outflow for short-term and long-term debt and lease obligation." } } }, "auth_ref": [] }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "RepurchaseAgreementCounterpartyNameDomain", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Counterparty Name [Domain]", "label": "Counterparty Name [Domain]" } } }, "auth_ref": [ "r271", "r280", "r281", "r467", "r506", "r937", "r947", "r1002", "r1198", "r1200", "r1201", "r1531", "r1532", "r1533", "r1534", "r1535", "r1536", "r1537", "r1538", "r1539", "r1817", "r1818", "r1819", "r1820" ] }, "us-gaap_ResearchAndDevelopmentExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ResearchAndDevelopmentExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Research and development expenses", "label": "Research and Development Expense", "documentation": "Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity." } } }, "auth_ref": [ "r671", "r1189", "r1206", "r1207", "r1220", "r1866" ] }, "us-gaap_ResearchAndDevelopmentExpensePolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ResearchAndDevelopmentExpensePolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Research and Development", "label": "Research and Development Expense, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for costs it has incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process." } } }, "auth_ref": [ "r670" ] }, "us-gaap_ReserveForEnvironmentalCostsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ReserveForEnvironmentalCostsMember", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "SEC Schedule, 12-09, Reserve, Environmental Cost", "label": "SEC Schedule, 12-09, Reserve, Environmental Cost [Member]", "documentation": "Reserve for expected cost from environmental loss contingency." } } }, "auth_ref": [ "r1598", "r1607", "r1608", "r1609", "r1610", "r1611" ] }, "ecd_RestatementDateAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "RestatementDateAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement Determination Date:", "label": "Restatement Determination Date [Axis]" } } }, "auth_ref": [ "r1403", "r1414", "r1424", "r1457" ] }, "ecd_RestatementDeterminationDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "RestatementDeterminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement Determination Date", "label": "Restatement Determination Date" } } }, "auth_ref": [ "r1404", "r1415", "r1425", "r1458" ] }, "ecd_RestatementDoesNotRequireRecoveryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "RestatementDoesNotRequireRecoveryTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Restatement does not require Recovery", "label": "Restatement Does Not Require Recovery [Text Block]" } } }, "auth_ref": [ "r1411", "r1422", "r1432", "r1465" ] }, "us-gaap_RestrictedCashNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestrictedCashNoncurrent", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Restricted cash (included in other long\u2013term assets)", "label": "Restricted Cash, Noncurrent", "documentation": "Amount of cash restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits." } } }, "auth_ref": [ "r189", "r1522", "r1594" ] }, "us-gaap_RestrictedStockUnitsRSUMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestrictedStockUnitsRSUMember", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "RSUs [Member]", "terseLabel": "Restricted Stock Units (RSUs) [Member]", "label": "Restricted Stock Units (RSUs) [Member]", "documentation": "Share instrument which is convertible to stock or an equivalent amount of cash, after a specified period of time or when specified performance conditions are met." } } }, "auth_ref": [ "r1758", "r1759", "r1760", "r1761", "r1762", "r1763", "r1764", "r1765", "r1766", "r1767", "r1768", "r1769", "r1770", "r1771", "r1772", "r1773", "r1774", "r1775", "r1776", "r1777", "r1778", "r1779", "r1780", "r1781", "r1782", "r1783" ] }, "us-gaap_RestructuringAndRelatedActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringAndRelatedActivitiesAbstract", "lang": { "en-us": { "role": { "terseLabel": "Restructuring and Related Activities [Abstract]", "label": "Restructuring and Related Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_RestructuringAndRelatedCostCostIncurredToDate1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringAndRelatedCostCostIncurredToDate1", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Cumulative restructuring charges through March\u00a031, 2026", "label": "Restructuring and Related Cost, Cost Incurred to Date", "documentation": "Amount of costs incurred to date for the specified restructuring cost." } } }, "auth_ref": [ "r432", "r435", "r437", "r439" ] }, "us-gaap_RestructuringCharges": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringCharges", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring charges", "verboseLabel": "Expenses recognized", "label": "Restructuring Charges", "documentation": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r12", "r253", "r257", "r436", "r437", "r1207", "r1669" ] }, "us-gaap_RestructuringCostAndReserveAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringCostAndReserveAxis", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Type [Axis]", "label": "Restructuring Type [Axis]", "documentation": "Information by type of restructuring cost." } } }, "auth_ref": [ "r253", "r257", "r432", "r433", "r437", "r438", "r1207" ] }, "us-gaap_RestructuringCostAndReserveLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringCostAndReserveLineItems", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Cost and Reserve [Line Items]", "label": "Restructuring Cost and Reserve [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r432", "r433", "r434", "r435", "r437", "r438", "r439" ] }, "us-gaap_RestructuringCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringCosts", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring costs", "label": "Restructuring Costs", "documentation": "Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_RestructuringCostsAndAssetImpairmentCharges": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringCostsAndAssetImpairmentCharges", "crdr": "debit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring and impairment, net", "negatedTerseLabel": "Restructuring and impairment, net", "label": "Restructuring Costs and Asset Impairment Charges", "documentation": "Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringImpairmentAndOtherActivitiesDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairment" ], "lang": { "en-us": { "role": { "terseLabel": "2. RESTRUCTURING AND IMPAIRMENT", "label": "Restructuring, Impairment, and Other Activities Disclosure [Text Block]", "documentation": "The entire disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets." } } }, "auth_ref": [] }, "us-gaap_RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringIncurredCostStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]", "label": "Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]", "documentation": "Indicates line item in statement of income or comprehensive income that includes restructuring charges." } } }, "auth_ref": [ "r1500", "r1501" ] }, "us-gaap_RestructuringPlanAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringPlanAxis", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Plan [Axis]", "label": "Restructuring Plan [Axis]", "documentation": "Information by individual restructuring plan." } } }, "auth_ref": [] }, "us-gaap_RestructuringPlanDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringPlanDomain", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Plan [Domain]", "label": "Restructuring Plan [Domain]", "documentation": "Identification of the individual restructuring plans." } } }, "auth_ref": [] }, "us-gaap_RestructuringReserve": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringReserve", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Balance as of beginning of period", "periodEndLabel": "Balance as of end of period", "label": "Restructuring Reserve", "documentation": "Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan." } } }, "auth_ref": [ "r433", "r438" ] }, "us-gaap_RestructuringReserveAcceleratedDepreciation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringReserveAcceleratedDepreciation", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accelerated depreciation", "label": "Restructuring and Related Cost, Accelerated Depreciation", "documentation": "Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan." } } }, "auth_ref": [] }, "us-gaap_RestructuringReserveCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringReserveCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring liabilities, short-term", "label": "Restructuring Reserve, Current", "documentation": "Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset." } } }, "auth_ref": [ "r1524", "r1670", "r1671" ] }, "us-gaap_RestructuringReserveRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringReserveRollForward", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Restructuring Reserve [Roll Forward]", "label": "Restructuring Reserve [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_RestructuringReserveTranslationAndOtherAdjustment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RestructuringReserveTranslationAndOtherAdjustment", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign currency translation and other", "label": "Restructuring Reserve, Translation and Other Adjustment", "documentation": "Amount of increase (decrease) in the restructuring reserve related to foreign currency translation (gain) loss and other increases (decreases)." } } }, "auth_ref": [ "r143", "r1670" ] }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetainedEarningsAccumulatedDeficit", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Retained earnings", "label": "Retained Earnings (Accumulated Deficit)", "documentation": "Amount of accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r104", "r148", "r1010", "r1059", "r1064", "r1074", "r1102", "r1336" ] }, "us-gaap_RetainedEarningsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetainedEarningsMember", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Retained Earnings", "terseLabel": "Retained Earnings", "label": "Retained Earnings [Member]", "documentation": "Accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r203", "r210", "r211", "r284", "r285", "r286", "r289", "r297", "r298", "r300", "r365", "r368", "r409", "r496", "r656", "r714", "r715", "r729", "r730", "r731", "r734", "r751", "r752", "r837", "r840", "r841", "r844", "r859", "r911", "r914", "r1055", "r1057", "r1078", "r1911" ] }, "us-gaap_RetirementPlanFundingStatusAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetirementPlanFundingStatusAxis", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement Plan Funding Status [Axis]", "label": "Defined Benefit Plan, Funding Status [Axis]", "documentation": "Information by status of funding for defined benefit plan designed to provide retirement benefits." } } }, "auth_ref": [ "r1510", "r1693", "r1694", "r1695", "r1696", "r1697", "r1698", "r1699", "r1700", "r1701", "r1702", "r1703", "r1704", "r1705", "r1706", "r1707", "r1708", "r1709", "r1710", "r1711", "r1712", "r1713", "r1714", "r1715", "r1716", "r1717", "r1718", "r1719", "r1720", "r1721", "r1722", "r1723", "r1724", "r1725", "r1726", "r1727", "r1728", "r1729", "r1730", "r1731", "r1732", "r1733", "r1734", "r1735", "r1736", "r1737", "r1738", "r1739", "r1740", "r1741", "r1742", "r1747", "r1748", "r1749", "r1750", "r1751", "r1752", "r1753", "r1754", "r1755", "r1756" ] }, "us-gaap_RetirementPlanFundingStatusDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetirementPlanFundingStatusDomain", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement Plan Funding Status [Domain]", "label": "Defined Benefit Plan, Funding Status [Domain]", "documentation": "Status of funding for defined benefit plan designed to provide retirement benefits." } } }, "auth_ref": [ "r1510", "r1693", "r1694", "r1695", "r1696", "r1697", "r1698", "r1699", "r1700", "r1701", "r1702", "r1703", "r1704", "r1705", "r1706", "r1707", "r1708", "r1709", "r1710", "r1711", "r1712", "r1713", "r1714", "r1715", "r1716", "r1717", "r1718", "r1719", "r1720", "r1721", "r1722", "r1723", "r1724", "r1725", "r1726", "r1727", "r1728", "r1729", "r1730", "r1731", "r1732", "r1733", "r1734", "r1735", "r1736", "r1737", "r1738", "r1739", "r1740", "r1741", "r1742", "r1747", "r1748", "r1749", "r1750", "r1751", "r1752", "r1753", "r1754", "r1755", "r1756" ] }, "us-gaap_RetirementPlanTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetirementPlanTypeAxis", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement Plan Type [Axis]", "label": "Retirement Plan Type [Axis]", "documentation": "Information by type of retirement benefit plan. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement." } } }, "auth_ref": [ "r513", "r517", "r518", "r519", "r520", "r521", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r554", "r555", "r556", "r557", "r558", "r559", "r561", "r563", "r564", "r566", "r569", "r572", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r597", "r598", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r611", "r612", "r613", "r615", "r1258", "r1259", "r1260", "r1261", "r1262", "r1263", "r1264", "r1265" ] }, "us-gaap_RetirementPlanTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RetirementPlanTypeDomain", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementAmountsRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement Plan Type [Domain]", "label": "Retirement Plan Type [Domain]", "documentation": "Type of plan designed to provide participants with retirement benefits. Includes, but is not limited to, retirement benefit arrangement for defined benefit pension and other postretirement plans, retirement benefit arrangement for defined contribution pension and other postretirement plans, and special and contractual termination benefits payable upon retirement." } } }, "auth_ref": [ "r513", "r517", "r518", "r519", "r520", "r521", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r541", "r542", "r543", "r544", "r545", "r546", "r547", "r548", "r549", "r550", "r551", "r552", "r553", "r554", "r555", "r556", "r557", "r558", "r559", "r561", "r563", "r564", "r566", "r569", "r572", "r575", "r576", "r577", "r578", "r579", "r580", "r581", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r597", "r598", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r611", "r612", "r613", "r615", "r1258", "r1259", "r1260", "r1261", "r1262", "r1263", "r1264", "r1265" ] }, "us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RevenueFromContractWithCustomerExcludingAssessedTax", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails": { "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales", "label": "Revenue from Contract with Customer, Excluding Assessed Tax", "documentation": "Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise." } } }, "auth_ref": [ "r179", "r180", "r304", "r317", "r318", "r333", "r339", "r342", "r344", "r346", "r509", "r510", "r511", "r949", "r1206", "r1210" ] }, "us-gaap_RevenueRecognitionPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RevenueRecognitionPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Revenue Recognition", "label": "Revenue [Policy Text Block]", "documentation": "Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources." } } }, "auth_ref": [ "r1124" ] }, "us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RevenuesFromExternalCustomersAndLongLivedAssetsLineItems", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revenues from External Customers and Long-Lived Assets [Line Items]", "label": "Revenues from External Customers and Long-Lived Assets [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_RevolvingCreditFacilityMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RevolvingCreditFacilityMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revolving Credit Facility", "label": "Revolving Credit Facility [Member]", "documentation": "Arrangement in which loan proceeds can continuously be obtained following repayments, but the total amount borrowed cannot exceed a specified maximum amount." } } }, "auth_ref": [] }, "nvl_RichmondAndFairmontPlantsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RichmondAndFairmontPlantsMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Richmond and Fairmont Plants", "label": "Richmond and Fairmont Plants [Member]", "documentation": "Richmond and Fairmont Plants" } } }, "auth_ref": [] }, "us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesAdditionalInformationDetails", "http://www.novelis.com/role/LeasesSupplementalCashflowInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability", "label": "Right-of-Use Asset Obtained in Exchange for Finance Lease Liability", "documentation": "Amount of increase in right-of-use asset obtained in exchange for finance lease liability." } } }, "auth_ref": [ "r923", "r1335" ] }, "us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/LeasesSupplementalCashflowInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "label": "Right-of-Use Asset Obtained in Exchange for Operating Lease Liability", "documentation": "Amount of increase in right-of-use asset obtained in exchange for operating lease liability." } } }, "auth_ref": [ "r923", "r1335" ] }, "nvl_RioTintoAlcanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "RioTintoAlcanMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Rio Tinto Alcan", "label": "Rio Tinto Alcan [Member]", "documentation": "Rio Tinto Alcan [Member]" } } }, "auth_ref": [] }, "ecd_Rule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "Rule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Rule 10b5-1 Arrangement Adopted", "label": "Rule 10b5-1 Arrangement Adopted [Flag]" } } }, "auth_ref": [ "r1474" ] }, "ecd_Rule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "Rule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Rule 10b5-1 Arrangement Terminated", "label": "Rule 10b5-1 Arrangement Terminated [Flag]" } } }, "auth_ref": [ "r1474" ] }, "us-gaap_SaleOfStockConsiderationReceivedPerTransaction": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SaleOfStockConsiderationReceivedPerTransaction", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sale of stock, consideration received", "label": "Sale of Stock, Consideration Received Per Transaction", "documentation": "Amount of consideration received by subsidiary or equity investee in exchange for shares of stock issued or sold. Includes amount of cash received, fair value of noncash assets received, and fair value of liabilities assumed by the investor." } } }, "auth_ref": [] }, "us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SaleOfStockNumberOfSharesIssuedInTransaction", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sale of stock, number of shares issued (in shares)", "label": "Sale of Stock, Number of Shares Issued in Transaction", "documentation": "The number of shares issued or sold by the subsidiary or equity method investee per stock transaction." } } }, "auth_ref": [] }, "us-gaap_SaleOfStockPricePerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SaleOfStockPricePerShare", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sale of stock, price per share (in dollars per share)", "label": "Sale of Stock, Price Per Share", "documentation": "Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction." } } }, "auth_ref": [] }, "nvl_SalesRevenueIntersegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SalesRevenueIntersegmentMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales \u2013 intersegment", "label": "Sales Revenue, Intersegment [Member]", "documentation": "Sales Revenue, Intersegment [Member]" } } }, "auth_ref": [] }, "us-gaap_SalesRevenueNetMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SalesRevenueNetMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossReclassificationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales", "label": "Revenue Benchmark [Member]", "documentation": "Revenue from sale of product and rendering of service and other sources of income, when it serves as benchmark in concentration of risk calculation." } } }, "auth_ref": [ "r346", "r1618", "r1619" ] }, "nvl_SalesRevenueThirdPartyMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SalesRevenueThirdPartyMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales \u2013 third party", "label": "Sales Revenue, Third Party [Member]", "documentation": "Sales Revenue, Third Party [Member]" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "presentation": [ "http://www.novelis.com/role/AccountsReceivableTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of accounts receivable", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables." } } }, "auth_ref": [ "r102", "r108" ] }, "us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAccruedLiabilitiesTableTextBlock", "presentation": [ "http://www.novelis.com/role/AccruedExpensesandOtherCurrentLiabilitiesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of accrued liabilities", "label": "Schedule of Accrued Liabilities [Table Text Block]", "documentation": "Tabular disclosure of the components of accrued liabilities." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of accumulated other comprehensive income (loss)", "label": "Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the components of accumulated other comprehensive income (loss)." } } }, "auth_ref": [ "r34", "r1846", "r1847" ] }, "us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]", "label": "Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table]", "documentation": "Disclosure of information about acquired finite-lived intangible asset by major class." } } }, "auth_ref": [ "r396", "r397", "r398", "r399", "r1067", "r1189" ] }, "us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAllocationOfPlanAssetsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Target and actual allocation of plan assets", "label": "Schedule of Allocation of Plan Assets [Table Text Block]", "documentation": "Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall." } } }, "auth_ref": [ "r152" ] }, "us-gaap_ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of amounts recognized in other comprehensive income (loss)", "label": "Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost." } } }, "auth_ref": [ "r149", "r1745" ] }, "nvl_ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfAssetsAndLiabilitiesRelatedToOperatingAndFinancingLeasesTableTextBlock", "presentation": [ "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of assets and liabilities related to operating and financing leases", "label": "Schedule of assets and liabilities related to operating and financing leases [Table Text Block]", "documentation": "Schedule of assets and liabilities related to operating and financing leases" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfAssumptionsUsedTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfAssumptionsUsedTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of assumptions used", "label": "Defined Benefit Plan, Assumptions [Table Text Block]", "documentation": "Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate." } } }, "auth_ref": [ "r560", "r588" ] }, "us-gaap_ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfBenefitObligationsInExcessOfFairValueOfPlanAssetsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of accumulated benefit obligations in excess of fair value of plan assets", "label": "Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block]", "documentation": "Tabular disclosure of benefit obligation and plan assets for defined benefit pension plan with projected benefit obligation in excess of plan assets." } } }, "auth_ref": [ "r1258", "r1741" ] }, "us-gaap_ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfCashFlowHedgesIncludedInAccumulatedOtherComprehensiveIncomeLossTableTextBlock", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Summary of the impact on AOCI and earnings of derivative instruments designated as cash flow hedges", "label": "Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]", "documentation": "Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings." } } }, "auth_ref": [ "r1810", "r1813", "r1816" ] }, "us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables", "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Cash Flow, Supplemental Disclosures", "label": "Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]", "documentation": "Tabular disclosure of supplemental cash flow information for the periods presented." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of changes in fair value of plan assets", "label": "Schedule of Changes in Fair Value of Plan Assets [Table Text Block]", "documentation": "Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements." } } }, "auth_ref": [ "r151" ] }, "us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of changes in projected benefit obligations", "label": "Schedule of Changes in Projected Benefit Obligations [Table Text Block]", "documentation": "Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits." } } }, "auth_ref": [ "r150" ] }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of components of income tax provision", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years." } } }, "auth_ref": [ "r1798" ] }, "us-gaap_ScheduleOfDebtTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDebtTableTextBlock", "presentation": [ "http://www.novelis.com/role/DebtTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Schedule of debt", "label": "Schedule of Debt [Table Text Block]", "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of deferred tax assets and liabilities", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets." } } }, "auth_ref": [ "r1792" ] }, "us-gaap_ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of defined benefit plan amounts recognized in other comprehensive income (loss)", "label": "Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDefinedBenefitPlansDisclosuresTable", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansActuarialAssumptionsandSensitivityAnalysisDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansChangeinFairValueofPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansComponentsofNetPeriodicBenefitCostDetails", "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFutureBenefitPaymentsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanAssetsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPensionPlanObligationsDetails", "http://www.novelis.com/role/PostretirementBenefitPlansPostretirementChangesRecognizedinAOCIDetails", "http://www.novelis.com/role/PostretirementBenefitPlansTargetandActualAllocationPercentagesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Defined Benefit Plans Disclosures [Table]", "label": "Defined Benefit Plan [Table]", "documentation": "Disclosure of information about individual defined benefit pension plan or other postretirement defined benefit plan. It may be appropriate to group certain similar plans. Also includes schedule for fair value of plan assets by major categories of plan assets by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), Significant other observable inputs (Level 2), and significant unobservable inputs (Level 3)." } } }, "auth_ref": [ "r17", "r67", "r68", "r69", "r70", "r575", "r576", "r577", "r580", "r582", "r583", "r584", "r585", "r586", "r587", "r589", "r590", "r591", "r592", "r593", "r594", "r595", "r596", "r606" ] }, "nvl_ScheduleOfDepreciationExpenseTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfDepreciationExpenseTableTextBlock", "presentation": [ "http://www.novelis.com/role/PropertyPlantandEquipmentTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of depreciation expense", "label": "Schedule of depreciation expense [Table Text Block]", "documentation": "Schedule of depreciation expense [Table Text Block]" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Summary of gains (losses) associated with the change in the fair value derivative instruments recognized in \"Other (income) expense, net\"", "label": "Derivative Instruments, Gain (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments." } } }, "auth_ref": [ "r775", "r778", "r784", "r792", "r803" ] }, "us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Fair values of financial instruments and commodity contracts", "label": "Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]", "documentation": "Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position." } } }, "auth_ref": [ "r774", "r779", "r803", "r1322" ] }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Reconciliation of Canadian statutory tax rates to effective tax rates", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations." } } }, "auth_ref": [ "r683", "r1270", "r1788" ] }, "us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Total compensation expense related to SARs and RSUs under the long term incentive plans", "label": "Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]", "documentation": "Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement." } } }, "auth_ref": [ "r73" ] }, "nvl_ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfEmployerContributionsToPensionAndOtherPostretirementPlansTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Contributions to employee benefit plans", "label": "Schedule of Employer Contributions to Pension and Other Postretirement Plans [Table Text Block]", "documentation": "Tabular disclosure of employer contributions to pension and other postretirement plans" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEntityWideDisclosureOnGeographicAreasLongLivedAssetsInIndividualForeignCountriesByCountryTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of disclosure on geographic areas, long-lived assets in individual foreign countries by country", "label": "Schedule of Disclosure on Geographic Areas, Long-Lived Assets in Individual Foreign Countries by Country [Table Text Block]", "documentation": "Tabular disclosure of the names of foreign countries in which material long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets are located, and amount of such long-lived assets located in that country or foreign geographic area." } } }, "auth_ref": [ "r136" ] }, "nvl_ScheduleOfEntityWideInformationPercentageOfProductPurchasesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfEntityWideInformationPercentageOfProductPurchasesTableTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of total combined metal purchases", "label": "Schedule Of Entity Wide Information Percentage Of Product Purchases [Table Text Block]", "documentation": "Schedule of entity wide information percentage of product purchases." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales by value stream", "label": "Revenue from External Customers by Products and Services [Table Text Block]", "documentation": "Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information." } } }, "auth_ref": [ "r52" ] }, "us-gaap_ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEntityWideRevenueByMajorCustomersByReportingSegmentsTable", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation3LargestCustomersDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Revenue by Major Customers, by Reporting Segments [Table]", "label": "Schedule of Revenue by Major Customers, by Reporting Segments [Table]", "documentation": "Disclosure of information about the extent of the entity's reliance on its major customers." } } }, "auth_ref": [ "r54" ] }, "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investment, Name [Axis]", "label": "Investment, Name [Axis]" } } }, "auth_ref": [ "r358", "r359", "r361", "r725", "r885", "r1503", "r1504", "r1505", "r1801", "r1802", "r1803", "r1804" ] }, "us-gaap_ScheduleOfEquityMethodInvestmentsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEquityMethodInvestmentsLineItems", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Equity Method Investments [Line Items]", "label": "Schedule of Equity Method Investments [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r271", "r275", "r358", "r359", "r361", "r362", "r885" ] }, "us-gaap_ScheduleOfEquityMethodInvestmentsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfEquityMethodInvestmentsTable", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsPeriodendAccountBalanceswithNonconsolidatedAffiliatesDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsResultsofOperationsofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Equity Method Investments [Table]", "label": "Equity Method Investment [Table]", "documentation": "Disclosure of information about equity method investment. Includes, but is not limited to, name of investee or group of investees, percentage ownership, difference between investment and value of underlying equity in net assets." } } }, "auth_ref": [ "r214", "r271", "r275", "r358", "r359", "r361", "r362", "r885" ] }, "us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfExpectedBenefitPaymentsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of expected benefit payments", "label": "Schedule of Expected Benefit Payments [Table Text Block]", "documentation": "Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter." } } }, "auth_ref": [ "r153", "r1744" ] }, "us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Derivative assets and liabilities measured and recognized at fair value on a recurring basis classified under the appropriate level of the fair value hierarchy", "label": "Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]", "documentation": "Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3)." } } }, "auth_ref": [ "r1824", "r1825" ] }, "nvl_ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfFairValueOfPensionAndPostretirementPlanAssetsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of fair value of pension and postretirement plan assets table", "label": "Schedule Of Fair Value Of Pension And Postretirement Plan Assets Table [Text Block]", "documentation": "Schedule Of Fair Value Of Pension And Postretirement Plan Assets [Table Text Block]" } } }, "auth_ref": [] }, "nvl_ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfForeignCurrencyGainsLossesIncludedInStatementOfFinancialPerformanceTableTextBlock", "presentation": [ "http://www.novelis.com/role/CurrencyLossesGainsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Currency (gains) losses included in \"Other (income) expense, net\"", "label": "Schedule Of Foreign Currency Gains Losses Included In Statement Of Financial Performance [Table Text Block]", "documentation": "Schedule of foreign currency gains losses included in statement of financial performance." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfGoodwillTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfGoodwillTable", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Goodwill [Table]", "label": "Goodwill [Table]", "documentation": "Disclosure of information about goodwill, including, but not limited to, change from acquisition, sale, impairment, and other reason." } } }, "auth_ref": [ "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r389", "r390", "r1228" ] }, "us-gaap_ScheduleOfGoodwillTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfGoodwillTextBlock", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of goodwill", "label": "Schedule of Goodwill [Table Text Block]", "documentation": "Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule." } } }, "auth_ref": [ "r1228", "r1634", "r1635", "r1636", "r1637", "r1638", "r1639", "r1640", "r1641", "r1642", "r1643", "r1644" ] }, "us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of components of income before income taxes, domestic and foreign", "label": "Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]", "documentation": "Tabular disclosure of income before income tax between domestic and foreign jurisdictions." } } }, "auth_ref": [ "r1596", "r1602" ] }, "us-gaap_ScheduleOfInventoryCurrentTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfInventoryCurrentTableTextBlock", "presentation": [ "http://www.novelis.com/role/InventoriesTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Schedule of Inventories", "label": "Schedule of Inventory, Current [Table Text Block]", "documentation": "Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process." } } }, "auth_ref": [ "r14", "r109", "r110", "r111" ] }, "nvl_ScheduleOfLeaseInformationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ScheduleOfLeaseInformationTableTextBlock", "presentation": [ "http://www.novelis.com/role/LeasesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of lease information", "label": "Schedule of lease information [Table Text Block]", "documentation": "Schedule of lease information" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "presentation": [ "http://www.novelis.com/role/DebtTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Principal repayment requirements for total debt over the next five years and thereafter", "label": "Schedule of Maturities of Long-Term Debt [Table Text Block]", "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt." } } }, "auth_ref": [ "r16" ] }, "us-gaap_ScheduleOfNetBenefitCostsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfNetBenefitCostsTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Components of net periodic benefit cost for all significant postretirement benefit plans", "label": "Schedule of Net Benefit Costs [Table Text Block]", "documentation": "Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments." } } }, "auth_ref": [ "r154", "r1746" ] }, "us-gaap_ScheduleOfNetFundedStatusTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfNetFundedStatusTableTextBlock", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of net funded status", "label": "Schedule of Net Funded Status [Table Text Block]", "documentation": "Tabular disclosure of net funded status of pension plans and/or other employee benefit plans." } } }, "auth_ref": [ "r66" ] }, "us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Summary of notional amount", "label": "Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]", "documentation": "Tabular disclosure of the notional amounts of outstanding derivative positions." } } }, "auth_ref": [ "r1808" ] }, "us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "presentation": [ "http://www.novelis.com/role/OtherExpenseIncomeTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of other nonoperating income (expense)", "label": "Schedule of Other Nonoperating Income (Expense) [Table Text Block]", "documentation": "Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesScheduleofUsefulLifeDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentAdditionalInformationDetails", "http://www.novelis.com/role/PropertyPlantandEquipmentScheduleofPropertyandEquipmentDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Property, Plant and Equipment [Table]", "label": "Property, Plant and Equipment [Table]", "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation." } } }, "auth_ref": [ "r15", "r927" ] }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsFinancialInstrumentsNotRecordedatFairValueDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]", "label": "Related Party Transaction [Table]", "documentation": "Disclosure of information about related party transaction." } } }, "auth_ref": [ "r271", "r278", "r279", "r934", "r935", "r937", "r1126", "r1127", "r1128" ] }, "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Period-end account balances with non-consolidated affiliates, shown as related party balances", "label": "Schedule of Related Party Transactions [Table Text Block]", "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates." } } }, "auth_ref": [ "r1855", "r1856" ] }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRestructuringAndRelatedCostsTable", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Restructuring and Related Costs [Table]", "label": "Restructuring Cost [Table]", "documentation": "Disclosure of information about restructuring cost. Includes, but is not limited to, expected cost, cost incurred, statement of income caption that includes restructuring cost recognized, and amount of restructuring reserve." } } }, "auth_ref": [ "r432", "r433", "r434", "r435", "r437", "r438", "r439" ] }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRestructuringAndRelatedCostsTextBlock", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of restructuring reserve activity", "label": "Restructuring and Related Costs [Table Text Block]", "documentation": "Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets." } } }, "auth_ref": [ "r59", "r141", "r142" ] }, "us-gaap_ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRevenueByMajorCustomersByReportingSegmentsTableTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Net sales to largest customers, as a percentage of total net sales", "label": "Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]", "documentation": "Tabular disclosure of the extent of the entity's reliance on its major customers, if revenues from transactions with a single external customer amount to 10 percent or more of entity revenues, including the disclosure of that fact, the total amount of revenues from each such customer, and the identity of the reportable segment or segments reporting the revenues. The entity need not disclose the identity of a major customer or the amount of revenues that each segment reports from that customer. For these purposes, a group of companies known to the entity to be under common control is considered a single customer, and the federal government, a state government, a local government such as a county or municipality, or a foreign government is each considered a single customer." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRevenueFromExternalCustomersAttributedToForeignCountriesByGeographicAreaTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of revenue from external customers attributed to foreign countries by geographic area", "label": "Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]", "documentation": "Tabular disclosure of the names of foreign countries from which revenue is material and the amount of revenue from external customers attributed to those countries. An entity may also provide subtotals of geographic information about groups of countries." } } }, "auth_ref": [ "r117", "r135" ] }, "us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]", "label": "Schedule of Revenues from External Customers and Long-Lived Assets [Table]", "documentation": "Disclosure of information about revenue from external customer and long-lived asset by geographical area. Long-lived asset excludes financial instrument, customer relationship with financial institution, mortgage and other servicing right, deferred policy acquisition cost, and deferred tax asset." } } }, "auth_ref": [ "r53", "r117" ] }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfSegmentReportingInformationBySegmentTable", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Segment Reporting Information, by Segment [Table]", "label": "Schedule of Segment Reporting Information, by Segment [Table]", "documentation": "Disclosure of information about profit (loss) and total assets by reportable segment." } } }, "auth_ref": [ "r47", "r48", "r49" ] }, "us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfSegmentReportingInformationBySegmentTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Selected segment financial information", "label": "Schedule of Segment Reporting Information, by Segment [Table Text Block]", "documentation": "Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss." } } }, "auth_ref": [ "r47", "r48", "r49" ] }, "us-gaap_ScheduleOfShareBasedCompensationActivityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfShareBasedCompensationActivityTableTextBlock", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "RSUs activity and SARs activity under LTIP", "label": "Share-Based Payment Arrangement, Activity [Table Text Block]", "documentation": "Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value." } } }, "auth_ref": [ "r26", "r27", "r159" ] }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Share-based Compensation by Award [Table]", "label": "Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]", "documentation": "Disclosure of information about share-based payment arrangement." } } }, "auth_ref": [ "r617", "r618", "r620", "r621", "r622", "r624", "r625", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r641", "r643", "r644", "r645", "r646", "r647", "r648", "r653" ] }, "us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Assumptions used in estimating fair value of each SAR under LTIP", "label": "Schedule of Share-Based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]", "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions." } } }, "auth_ref": [ "r162", "r1786" ] }, "us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Reconciliation of unrecognized tax benefits", "label": "Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]", "documentation": "Tabular disclosure of the change in unrecognized tax benefits." } } }, "auth_ref": [ "r698", "r1269" ] }, "us-gaap_ScheduleOfVariableInterestEntitiesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfVariableInterestEntitiesTable", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Variable Interest Entities [Table]", "label": "Variable Interest Entity [Table]", "documentation": "Disclosure of information about variable interest held, whether or not such variable interest entity (VIE) is included in consolidated financial statements." } } }, "auth_ref": [ "r78", "r79", "r80", "r82", "r83", "r754", "r755", "r761", "r762", "r943", "r944", "r945" ] }, "us-gaap_ScheduleOfVariableInterestEntitiesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleOfVariableInterestEntitiesTextBlock", "presentation": [ "http://www.novelis.com/role/ConsolidationTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Schedule of variable interest entity", "label": "Schedule of Variable Interest Entities [Table Text Block]", "documentation": "Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide." } } }, "auth_ref": [ "r78", "r79", "r80", "r82", "r83" ] }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of finite-lived intangible assets, future amortization expense", "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]", "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets." } } }, "auth_ref": [ "r1193", "r1653" ] }, "us-gaap_SecuredDebtMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SecuredDebtMember", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Secured Debt", "label": "Secured Debt [Member]", "documentation": "Collateralized debt obligation backed by, for example, but not limited to, pledge, mortgage or other lien on the entity's assets." } } }, "auth_ref": [] }, "us-gaap_SecuredOvernightFinancingRateSofrMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SecuredOvernightFinancingRateSofrMember", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Secured Overnight Financing Rate (SOFR)", "label": "Secured Overnight Financing Rate (SOFR) [Member]", "documentation": "Interest rate at which bank can borrow U.S. dollar overnight while posting U.S. Treasury bond as collateral." } } }, "auth_ref": [ "r1821" ] }, "us-gaap_SegmentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentDomain", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Segments [Domain]", "label": "Segments [Domain]", "documentation": "Components of an entity that engage in business activities from which they may earn revenue and incur expenses, including transactions with other components of the same entity." } } }, "auth_ref": [ "r179", "r180", "r181", "r182", "r304", "r313", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r327", "r328", "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r337", "r339", "r340", "r341", "r346", "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r406", "r435", "r439", "r745", "r746", "r1027", "r1028", "r1029", "r1030", "r1031", "r1032", "r1033", "r1034", "r1035", "r1036", "r1037", "r1217", "r1220", "r1221", "r1228", "r1358", "r1872", "r1875", "r1876", "r1877", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_SegmentExpenditureAdditionToLongLivedAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentExpenditureAdditionToLongLivedAssets", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Capital expenditures", "label": "Segment, Expenditure, Addition to Long-Lived Assets", "documentation": "Amount of expenditure for addition to long-lived assets included in determination of segment assets by chief operating decision maker (CODM) or otherwise regularly provided to CODM. Excludes expenditure for addition to financial instrument, long-term customer relationship of financial institution, mortgage and other servicing rights, deferred policy acquisition cost, and deferred tax assets." } } }, "auth_ref": [ "r304", "r328", "r339", "r1220", "r1221" ] }, "srt_SegmentGeographicalDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "SegmentGeographicalDomain", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Geographical [Domain]", "label": "Geographical [Domain]" } } }, "auth_ref": [ "r308", "r344", "r345", "r952", "r954", "r955", "r956", "r957", "r958", "r959", "r960", "r961", "r962", "r963", "r964", "r965", "r966", "r967", "r968", "r969", "r970", "r971", "r972", "r973", "r976", "r977", "r978", "r979", "r980", "r981", "r982", "r983", "r984", "r985", "r986", "r987", "r988", "r995", "r996", "r997", "r998", "r1084", "r1087", "r1089", "r1149", "r1151", "r1154", "r1164", "r1168", "r1170", "r1171", "r1172", "r1176", "r1177", "r1178", "r1179", "r1181", "r1182", "r1183", "r1184", "r1185", "r1192", "r1212", "r1245", "r1247", "r1339", "r1340", "r1341", "r1342", "r1344", "r1346", "r1347", "r1348", "r1357", "r1368", "r1872", "r1875", "r1876", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_SegmentReportingAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentReportingAbstract", "lang": { "en-us": { "role": { "terseLabel": "Segment Reporting [Abstract]", "label": "Segment Reporting [Abstract]" } } }, "auth_ref": [] }, "us-gaap_SegmentReportingDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentReportingDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformation" ], "lang": { "en-us": { "role": { "terseLabel": "21. SEGMENT, GEOGRAPHICAL AREA, MAJOR CUSTOMER AND MAJOR SUPPLIER INFORMATION", "label": "Segment Reporting Disclosure [Text Block]", "documentation": "The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments." } } }, "auth_ref": [ "r182", "r304", "r312", "r313", "r314", "r315", "r316", "r329", "r331", "r332", "r337", "r338", "r339", "r340", "r341", "r342", "r343", "r346", "r1216", "r1218", "r1219", "r1220", "r1222", "r1223", "r1224" ] }, "us-gaap_SegmentReportingInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentReportingInformationLineItems", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Segment Reporting Information [Line Items]", "label": "Segment Reporting Information [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_SegmentReportingOtherItemAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SegmentReportingOtherItemAmount", "crdr": "debit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails": { "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Other segment items", "label": "Segment Reporting, Other Segment Item, Amount", "documentation": "Amount of other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss)." } } }, "auth_ref": [ "r304", "r331", "r332", "r339", "r1220" ] }, "us-gaap_SellingGeneralAndAdministrativeExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SellingGeneralAndAdministrativeExpense", "crdr": "debit", "calculation": { "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails": { "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0, "order": 3.0 }, "http://www.novelis.com/role/ConsolidatedStatementsofOperations": { "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofOperations", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Selling, general and administrative expenses", "label": "Selling, General and Administrative Expense", "documentation": "The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc." } } }, "auth_ref": [ "r123", "r1205", "r1206", "r1207", "r1210", "r1584" ] }, "us-gaap_SellingGeneralAndAdministrativeExpensesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SellingGeneralAndAdministrativeExpensesMember", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Selling, General and Administrative Expenses", "label": "Selling, General and Administrative Expenses [Member]", "documentation": "Primary financial statement caption encompassing selling, general and administrative expense." } } }, "auth_ref": [ "r1271", "r1273" ] }, "us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SellingGeneralAndAdministrativeExpensesPolicyTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Selling, General and Administrative Expenses", "label": "Selling, General and Administrative Expenses, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for inclusion of significant items in the selling, general and administrative (or similar) expense report caption." } } }, "auth_ref": [ "r1787" ] }, "nvl_SemiAnnuallyAndRemainderOfPrincipalPayableAtMaturityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SemiAnnuallyAndRemainderOfPrincipalPayableAtMaturityMember", "presentation": [ "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Semi-Annually and Remainder of Principal Payable at Maturity", "label": "Semi-Annually and Remainder of Principal Payable at Maturity [Member]", "documentation": "Semi-Annually and Remainder of Principal Payable at Maturity" } } }, "auth_ref": [] }, "nvl_SeniorNotesDue2030Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SeniorNotesDue2030Member", "presentation": [ "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Senior Notes Due 2030", "label": "Senior Notes Due 2030 [Member]", "documentation": "Senior Notes Due 2030 [Member]" } } }, "auth_ref": [] }, "nvl_SeniorNotesDueApril2029Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SeniorNotesDueApril2029Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "3.375% Senior Notes, due April 2029", "label": "Senior Notes due April 2029 [Member]", "documentation": "Senior Notes due April 2029" } } }, "auth_ref": [] }, "nvl_SeniorNotesDueJanuary2030Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SeniorNotesDueJanuary2030Member", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "4.750% Senior Notes, due January 2030", "label": "Senior Notes due January 2030 [Member]", "documentation": "Senior Notes due January 2030" } } }, "auth_ref": [] }, "us-gaap_SeniorNotesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SeniorNotesMember", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtSeniorNotesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Senior Notes", "label": "Senior Notes [Member]", "documentation": "Bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior debt holders receive priority for (must receive) repayment prior to (relative to) junior and unsecured (general) creditors." } } }, "auth_ref": [] }, "nvl_Series2025ABondsDueJune2032Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "Series2025ABondsDueJune2032Member", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Series 2025A Bonds, due June 2032", "label": "Series 2025A Bonds, due June 2032 [Member]", "documentation": "Series 2025A Bonds, due June 2032" } } }, "auth_ref": [] }, "nvl_Series2025BBondsDueJune2032Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "Series2025BBondsDueJune2032Member", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Series 2025 B Bonds, due June 2032", "label": "Series 2025 B Bonds, due June 2032 [Member]", "documentation": "Series 2025 B Bonds, due June 2032" } } }, "auth_ref": [] }, "nvl_Series2026ABondsDueJune2033Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "Series2026ABondsDueJune2033Member", "presentation": [ "http://www.novelis.com/role/DebtBondsDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Series 2026A Bonds, due June 2033", "label": "Series 2026A Bonds, due June 2033 [Member]", "documentation": "Series 2026A Bonds, due June 2033" } } }, "auth_ref": [] }, "nvl_SevenyearSecuredTermLoanCreditFacilityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SevenyearSecuredTermLoanCreditFacilityMember", "presentation": [ "http://www.novelis.com/role/DebtSeniorSecuredCreditFacilitiesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Seven-year Secured Term Loan Credit Facility", "label": "Seven-year Secured Term Loan Credit Facility [Member]", "documentation": "Seven-year Secured Term Loan Credit Facility [Member]" } } }, "auth_ref": [] }, "us-gaap_SeveranceCosts1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SeveranceCosts1", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Employee-related expenses", "label": "Severance Costs", "documentation": "Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Requisite service period (years)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Requisite Service Period", "documentation": "Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r1267" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period", "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition." } } }, "auth_ref": [ "r1267" ] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Outstanding, end of period", "periodEndLabel": "Outstanding, beginning of period", "label": "Share-based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value", "documentation": "The intrinsic value of equity instruments other than stock options." } } }, "auth_ref": [] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable": { "xbrltype": "sharesItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisable", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Number of Shares, Exercisable", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Exercisable", "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding and exercisable at the balance sheet date." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Forteited/Cancelled (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period." } } }, "auth_ref": [ "r637" ] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeited/Cancelled (Indian Rupees/USD per share)", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price", "documentation": "Weighted average price of equity instruments other than options that were either forfeited or expired." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Forfeited/Cancelled (Indian Rupees per share)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event." } } }, "auth_ref": [ "r637" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Granted (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period", "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan)." } } }, "auth_ref": [ "r635" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Granted (Indian Rupees per share)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan)." } } }, "auth_ref": [ "r635" ] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageRemainingContractualTerms": { "xbrltype": "durationItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageRemainingContractualTerms", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted\u00a0Average Remaining Contractual\u00a0Term, Granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Remaining Contractual Terms", "documentation": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Remaining Contractual Terms" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Outstanding, beginning of period (shares)", "periodEndLabel": "Outstanding, end of period (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date." } } }, "auth_ref": [ "r632", "r633" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of RSUs", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Outstanding, beginning of period (Indian Rupees per share)", "periodEndLabel": "Outstanding, end of period (Indian Rupees per share)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options." } } }, "auth_ref": [ "r632", "r633" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Grant Date Fair Value", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]" } } }, "auth_ref": [] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Outstanding, beginning of period (Indian Rupees/USD per share)", "periodEndLabel": "Outstanding, end of period (Indian Rupees/USD per share)", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price", "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the share-based compensation plan." } } }, "auth_ref": [] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePriceRollForward": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageExercisePriceRollForward", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price [Roll Forward]", "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Exercise Price" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted\u00a0Average Remaining Contractual\u00a0Term, Outstanding", "verboseLabel": "Weighted\u00a0Average Remaining Contractual\u00a0Term, Outstanding", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms", "documentation": "Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r160" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total share-based liabilities paid", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid", "documentation": "Amount of cash paid to settle liability for award under share-based payment arrangement." } } }, "auth_ref": [ "r639" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Assumptions used in estimating fair value of SARs", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Dividend yield", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term." } } }, "auth_ref": [ "r646" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Volatility", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period." } } }, "auth_ref": [ "r645" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Risk-free interest rate", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares." } } }, "auth_ref": [ "r647" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation by Award [Line Items]", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r617", "r618", "r620", "r621", "r622", "r624", "r625", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r641", "r643", "r644", "r645", "r646", "r647", "r648", "r653" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Exercised (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised", "documentation": "Number of non-option equity instruments exercised by participants." } } }, "auth_ref": [ "r25" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeituresAndExpirations", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Forfeited/Cancelled (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations", "documentation": "Number of shares under non-option equity instrument agreements that were either cancelled or expired." } } }, "auth_ref": [ "r157", "r158" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Granted (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted", "documentation": "Net number of non-option equity instruments granted to participants." } } }, "auth_ref": [ "r24" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Outstanding, beginning of period (shares)", "periodEndLabel": "Outstanding, end of period (shares)", "terseLabel": "SARs outstanding (in shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number", "documentation": "Number of equity instruments other than options outstanding, including both vested and non-vested instruments." } } }, "auth_ref": [ "r155", "r156" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingRollForward", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of SARs", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingContractualTermAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsWeightedAverageRemainingContractualTermAbstract", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted\u00a0Average Remaining Contractual\u00a0Term", "label": "Share-Based Compensation Arrangement By Share-Based Payment Award, Non Option Equity Instruments, Weighted Average Remaining Contractual Term [Abstract]", "documentation": "Share-Based Compensation Arrangement By Share-Based Payment Award, Non Option Equity Instruments, Weighted Average Remaining Contractual Term [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise\u00a0Price (Indian\u00a0Rupees/USD per share), Exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan." } } }, "auth_ref": [ "r626" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageIntrinsicValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageIntrinsicValue", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeited/Cancelled", "verboseLabel": "Aggregate Intrinsic Value, Forfeited/Cancelled", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Intrinsic Value", "documentation": "The combined weighted average of the accumulated differences between the fair values on underlying shares and exercises prices to acquire such shares as of the grant date on options that were either forfeited or lapsed." } } }, "auth_ref": [ "r72" ] }, "nvl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue1": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue1", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value, Granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value1", "documentation": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value1" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value, Exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value", "documentation": "Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur." } } }, "auth_ref": [ "r641" ] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Award Type [Domain]", "label": "Award Type [Domain]", "documentation": "Award under share-based payment arrangement." } } }, "auth_ref": [ "r620", "r621", "r622", "r624", "r625", "r626", "r627", "r628", "r629", "r630", "r631", "r632", "r633", "r634", "r635", "r636", "r637", "r638", "r639", "r640", "r641", "r644", "r645", "r646", "r647", "r648" ] }, "nvl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Exercised (Indian Rupees/USD per share)", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Exercises in Period, Weighted Average Exercise Price", "documentation": "Weighted average price at which instrument holders acquired shares when converting their equity instruments (other than options) into shares." } } }, "auth_ref": [] }, "nvl_ShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Granted (Indian Rupees/USD per share)", "label": "Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Exercise Price", "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Exercised (Indian Rupees per share)", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares." } } }, "auth_ref": [ "r629" ] }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Share-Based Compensation", "label": "Share-Based Payment Arrangement [Policy Text Block]", "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost." } } }, "auth_ref": [ "r616", "r623", "r642", "r643", "r644", "r645", "r648", "r659", "r660", "r661", "r662", "r663", "r664", "r665", "r666" ] }, "us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedGoodsAndNonemployeeServicesTransactionBySupplierAxis", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier [Axis]", "label": "Supplier [Axis]", "documentation": "Information by supplier." } } }, "auth_ref": [] }, "us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShareBasedGoodsAndNonemployeeServicesTransactionSupplierDomain", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Name of Supplier [Domain]", "label": "Supplier [Domain]", "documentation": "Specific identification or general nature of (for example, a construction contractor, a consulting firm) the party from whom the goods or services were or are to be received." } } }, "auth_ref": [] }, "nvl_SharebasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherthanOptionsExercisedAggregateIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SharebasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherthanOptionsExercisedAggregateIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Exercised", "label": "Share-based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options, Exercised, Aggregate Intrinsic Value", "documentation": "Share-based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options, Exercised, Aggregate Intrinsic Value" } } }, "auth_ref": [] }, "nvl_SharebasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantedAggregateIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SharebasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherthanOptionsGrantedAggregateIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Granted", "label": "Share-based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options, Granted, Aggregate Intrinsic Value", "documentation": "Share-based Compensation Arrangement By Share Based Payment Award, Equity Instruments Other than Options, Granted, Aggregate Intrinsic Value" } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Award vesting percentage", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage", "documentation": "Percentage of vesting of award under share-based payment arrangement." } } }, "auth_ref": [ "r1758" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]" } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Aggregate Intrinsic Value, Outstanding", "periodEndLabel": "Aggregate Intrinsic Value, Outstanding", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding", "documentation": "Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options." } } }, "auth_ref": [ "r1785" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Award expiration period", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period", "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r1268" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value", "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable." } } }, "auth_ref": [ "r71" ] }, "nvl_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExercised": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsAggregateIntrinsicValueExercised", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value, Exercised", "label": "Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Aggregate Intrinsic Value, Exercised", "documentation": "Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Aggregate Intrinsic Value, Exercised" } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted\u00a0Average Remaining Contractual\u00a0Term, Exercisable", "label": "Share-Based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term", "documentation": "Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r161" ] }, "us-gaap_SharesIssued": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SharesIssued", "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity" ], "lang": { "en-us": { "role": { "periodStartLabel": "Balance (in shares)", "periodEndLabel": "Balance (in shares)", "label": "Shares, Issued", "documentation": "Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury." } } }, "auth_ref": [ "r22" ] }, "us-gaap_ShortTermBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShortTermBorrowings", "crdr": "credit", "calculation": { "http://www.novelis.com/role/DebtScheduleofDebtDetails": { "parentTag": "us-gaap_DebtLongtermAndShorttermCombinedAmount", "weight": 1.0, "order": 1.0 }, "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Short\u2013term borrowings", "terseLabel": "Short-term borrowings", "label": "Short-Term Debt", "documentation": "Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer." } } }, "auth_ref": [ "r87", "r167", "r1336", "r1870" ] }, "us-gaap_ShortTermDebtMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShortTermDebtMember", "presentation": [ "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term borrowings", "label": "Short-Term Debt [Member]", "documentation": "Debt arrangement having an initial term within one year or the normal operating cycle, if longer." } } }, "auth_ref": [] }, "us-gaap_ShortTermDebtTerms": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShortTermDebtTerms", "presentation": [ "http://www.novelis.com/role/DebtCitiFacilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term debt, terms", "label": "Short-Term Debt, Terms", "documentation": "Description of the short-term debt arrangement, and disclosures pertaining to the underlying arrangements, including repayment terms, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements." } } }, "auth_ref": [ "r1523" ] }, "us-gaap_ShortTermDebtTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShortTermDebtTypeAxis", "presentation": [ "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term Debt, Type [Axis]", "label": "Short-Term Debt, Type [Axis]", "documentation": "Information by type of short-term debt arrangement." } } }, "auth_ref": [ "r89", "r1659", "r1660", "r1661" ] }, "us-gaap_ShortTermDebtTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "ShortTermDebtTypeDomain", "presentation": [ "http://www.novelis.com/role/DebtCitiFacilityDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term Debt, Type [Domain]", "label": "Short-Term Debt, Type [Domain]", "documentation": "Type of short-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing." } } }, "auth_ref": [ "r87", "r1659", "r1660", "r1661" ] }, "nvl_SierreLoanDueOctober2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SierreLoanDueOctober2027Member", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtScheduleofDebtDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Sierre Loan, due October 2027", "label": "Sierre Loan, due October 2027 [Member]", "documentation": "Sierre Loan, due October 2027" } } }, "auth_ref": [] }, "srt_SouthAmericaMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "SouthAmericaMember", "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "South America", "label": "South America [Member]" } } }, "auth_ref": [ "r1913", "r1915", "r1916", "r1917" ] }, "nvl_SouthAmericaSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SouthAmericaSegmentMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "South America", "label": "South America Segment [Member]", "documentation": "South America Segment" } } }, "auth_ref": [] }, "nvl_SpecialtyAndOtherMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SpecialtyAndOtherMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationProductSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Specialty", "label": "Specialty And Other [Member]", "documentation": "Specialty And Other [Member]" } } }, "auth_ref": [] }, "nvl_StartUpCost": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "StartUpCost", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Start Up Cost", "label": "Start Up Cost", "documentation": "Start Up Cost" } } }, "auth_ref": [] }, "us-gaap_StatementBusinessSegmentsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementBusinessSegmentsAxis", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofGoodwillDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiability2025EfficiencyPlanDetails", "http://www.novelis.com/role/RestructuringandImpairmentRestructuringLiabilityDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationDetailsTextual", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeFromReportableSegmentsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationSelectedOperatingResultsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Segments [Axis]", "label": "Segments [Axis]", "documentation": "Information by business segments." } } }, "auth_ref": [ "r179", "r180", "r181", "r182", "r212", "r304", "r313", "r316", "r317", "r318", "r319", "r320", "r321", "r322", "r323", "r324", "r325", "r327", "r328", "r330", "r331", "r332", "r333", "r334", "r335", "r336", "r337", "r339", "r340", "r341", "r346", "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r406", "r411", "r435", "r439", "r745", "r746", "r1027", "r1028", "r1029", "r1030", "r1031", "r1032", "r1033", "r1034", "r1035", "r1036", "r1037", "r1217", "r1220", "r1221", "r1228", "r1358", "r1872", "r1875", "r1876", "r1877", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_StatementEquityComponentsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementEquityComponentsAxis", "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Statement, Equity Components [Axis]", "label": "Equity Components [Axis]", "documentation": "Information by component of equity." } } }, "auth_ref": [ "r22", "r101", "r105", "r106", "r203", "r210", "r211", "r243", "r244", "r245", "r284", "r285", "r286", "r289", "r297", "r298", "r300", "r305", "r365", "r368", "r409", "r496", "r508", "r656", "r714", "r715", "r729", "r730", "r731", "r734", "r751", "r752", "r837", "r839", "r840", "r841", "r842", "r844", "r846", "r847", "r848", "r849", "r859", "r898", "r900", "r901", "r902", "r903", "r904", "r911", "r914", "r933", "r1021", "r1055", "r1056", "r1057", "r1078", "r1144" ] }, "srt_StatementGeographicalAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2025", "localname": "StatementGeographicalAxis", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesDetails", "http://www.novelis.com/role/DebtLoansDetails", "http://www.novelis.com/role/DebtShorttermBorrowingsDetails", "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsDetailsTextual", "http://www.novelis.com/role/OtherExpenseIncomeDetails", "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationIncomeReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Geographical [Axis]", "label": "Geographical [Axis]" } } }, "auth_ref": [ "r308", "r344", "r345", "r952", "r954", "r955", "r956", "r957", "r958", "r959", "r960", "r961", "r962", "r963", "r964", "r965", "r966", "r967", "r968", "r969", "r970", "r971", "r972", "r973", "r976", "r977", "r978", "r979", "r980", "r981", "r982", "r983", "r984", "r985", "r986", "r987", "r988", "r995", "r996", "r997", "r998", "r1084", "r1087", "r1089", "r1149", "r1151", "r1154", "r1164", "r1168", "r1170", "r1171", "r1172", "r1176", "r1177", "r1178", "r1179", "r1181", "r1182", "r1183", "r1184", "r1185", "r1192", "r1212", "r1245", "r1247", "r1339", "r1340", "r1341", "r1342", "r1344", "r1346", "r1347", "r1348", "r1357", "r1368", "r1872", "r1875", "r1876", "r1878", "r1879", "r1880", "r1881", "r1882", "r1883", "r1884", "r1885", "r1886", "r1887", "r1888", "r1889", "r1890", "r1891", "r1892", "r1893", "r1894", "r1895", "r1896", "r1897", "r1898", "r1899", "r1900", "r1902", "r1903" ] }, "us-gaap_StatementLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementLineItems", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Statement [Line Items]", "label": "Statement [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r284", "r285", "r286", "r305", "r498", "r499", "r501", "r503", "r914", "r949", "r1071", "r1079", "r1081", "r1093", "r1094", "r1095", "r1096", "r1097", "r1098", "r1101", "r1104", "r1105", "r1106", "r1107", "r1108", "r1110", "r1111", "r1112", "r1113", "r1116", "r1117", "r1118", "r1119", "r1120", "r1124", "r1125", "r1129", "r1130", "r1131", "r1132", "r1133", "r1134", "r1135", "r1136", "r1137", "r1138", "r1139", "r1140", "r1144", "r1208", "r1210", "r1369", "r1906" ] }, "us-gaap_StatementOfCashFlowsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementOfCashFlowsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Cash Flows [Abstract]", "label": "Statement of Cash Flows [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfFinancialPositionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementOfFinancialPositionAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Financial Position [Abstract]", "label": "Statement of Financial Position [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Comprehensive Income [Abstract]", "label": "Statement of Comprehensive Income [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfStockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementOfStockholdersEquityAbstract", "lang": { "en-us": { "role": { "terseLabel": "Statement of Stockholders' Equity [Abstract]", "label": "Statement of Stockholders' Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StatementTable", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedBalanceSheetsParenthetical", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Statement [Table]", "label": "Statement [Table]", "documentation": "Presentation of information about comprehensive income, income, other comprehensive income, financial position, cash flows, and shareholders' equity." } } }, "auth_ref": [ "r284", "r285", "r286", "r305", "r350", "r498", "r499", "r501", "r503", "r914", "r949", "r1071", "r1079", "r1081", "r1093", "r1094", "r1095", "r1096", "r1097", "r1098", "r1101", "r1104", "r1105", "r1106", "r1107", "r1108", "r1110", "r1111", "r1112", "r1113", "r1116", "r1117", "r1118", "r1119", "r1120", "r1124", "r1125", "r1129", "r1130", "r1131", "r1132", "r1133", "r1134", "r1135", "r1136", "r1137", "r1138", "r1139", "r1140", "r1144", "r1208", "r1210", "r1369", "r1906" ] }, "ecd_StkPrcOrTsrEstimationMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "StkPrcOrTsrEstimationMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Stock Price or TSR Estimation Method", "label": "Stock Price or TSR Estimation Method [Text Block]" } } }, "auth_ref": [ "r1406", "r1417", "r1427", "r1460" ] }, "us-gaap_StockAppreciationRightsSARSMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockAppreciationRightsSARSMember", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationDetailsTextual", "http://www.novelis.com/role/ShareBasedCompensationFairValueAssumptionsDetails", "http://www.novelis.com/role/ShareBasedCompensationSARsActivityDetails", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "verboseLabel": "SARs [Member]", "terseLabel": "Stock Appreciation Rights (SARs) [Member]", "label": "Stock Appreciation Rights (SARs) [Member]", "documentation": "Right to receive cash or shares equal to appreciation of predetermined number of grantor's shares during predetermined time period." } } }, "auth_ref": [ "r1758", "r1759", "r1760", "r1761", "r1762", "r1763", "r1764", "r1765", "r1766", "r1767", "r1768", "r1769", "r1770", "r1771", "r1772", "r1773", "r1774", "r1775", "r1776", "r1777", "r1778", "r1779", "r1780", "r1781", "r1782", "r1783" ] }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockIssuedDuringPeriodSharesNewIssues", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Stock issued during period (in shares)", "label": "Stock Issued During Period, Shares, New Issues", "documentation": "Number of new stock issued during the period." } } }, "auth_ref": [ "r22", "r100", "r101", "r148", "r1073", "r1144", "r1165" ] }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "presentation": [ "http://www.novelis.com/role/ShareBasedCompensationRSUsActivityDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Exercised (shares)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period", "documentation": "Number of share options (or share units) exercised during the current period." } } }, "auth_ref": [ "r22", "r100", "r101", "r148", "r629" ] }, "us-gaap_StockholdersEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockholdersEquity", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "totalLabel": "Total equity of our common shareholder", "label": "Equity, Attributable to Parent", "documentation": "Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest." } } }, "auth_ref": [ "r101", "r105", "r106", "r137", "r1103", "r1121", "r1145", "r1146", "r1336", "r1381", "r1596", "r1600", "r1601", "r1630", "r1843", "r1911" ] }, "us-gaap_StockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockholdersEquityAbstract", "presentation": [ "http://www.novelis.com/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Shareholder's equity:", "label": "Equity, Attributable to Parent [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.novelis.com/role/AccumulatedOtherComprehensiveLossDetails", "http://www.novelis.com/role/ConsolidatedBalanceSheets", "http://www.novelis.com/role/ConsolidatedStatementofShareholdersEquity", "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAssetsLiabilitiesandEquityofEquityMethodAffiliatesDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total equity", "periodStartLabel": "Balance", "periodEndLabel": "Balance", "terseLabel": "Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest", "label": "Equity, Including Portion Attributable to Noncontrolling Interest", "documentation": "Amount of equity (deficit) attributable to parent and noncontrolling interest. Excludes temporary equity." } } }, "auth_ref": [ "r74", "r75", "r84", "r203", "r204", "r210", "r211", "r244", "r284", "r285", "r286", "r289", "r297", "r298", "r365", "r368", "r409", "r496", "r508", "r656", "r714", "r715", "r729", "r730", "r731", "r734", "r751", "r752", "r837", "r839", "r840", "r841", "r842", "r844", "r859", "r898", "r900", "r904", "r912", "r933", "r1056", "r1057", "r1076", "r1103", "r1121", "r1145", "r1146", "r1166", "r1361", "r1363", "r1380", "r1596", "r1600", "r1601", "r1630", "r1843", "r1911" ] }, "nvl_SummaryOfAmountsRelatedToForfaitingAndFactoringActivitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "SummaryOfAmountsRelatedToForfaitingAndFactoringActivitiesTableTextBlock", "presentation": [ "http://www.novelis.com/role/AccountsReceivableTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary disclosures of financial amounts", "label": "Summary of amounts related to forfaiting and factoring activities [Table Text Block]", "documentation": "Summary of amounts related to forfaiting and factoring activities [Table]" } } }, "auth_ref": [] }, "us-gaap_SummaryOfValuationAllowanceTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SummaryOfValuationAllowanceTextBlock", "presentation": [ "http://www.novelis.com/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Valuation Allowance", "label": "Summary of Valuation Allowance [Table Text Block]", "documentation": "Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance." } } }, "auth_ref": [ "r1793" ] }, "us-gaap_SupplierConcentrationRiskMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierConcentrationRiskMember", "presentation": [ "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationPurchasesRTADetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier Concentration Risk", "label": "Supplier Concentration Risk [Member]", "documentation": "Reflects the percentage that purchases in the period from one or more significant suppliers is to cost of goods or services, as defined by the entity, such as total cost of sales or services, product line cost of sales or services, segment cost of sales or services. Risk is the materially adverse effects of loss of a material supplier or a supplier of critically needed goods or services." } } }, "auth_ref": [ "r1618" ] }, "us-gaap_SupplierFinanceProgramObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails", "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier invoices", "periodStartLabel": "Confirmed obligations outstanding at the beginning of the year", "periodEndLabel": "Confirmed obligations outstanding at the end of the year", "label": "Supplier Finance Program, Obligation", "documentation": "Amount of obligation for supplier finance program." } } }, "auth_ref": [ "r420", "r421", "r422", "r425", "r426", "r1229" ] }, "us-gaap_SupplierFinanceProgramObligationDecreaseSettlement": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligationDecreaseSettlement", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Confirmed invoices paid during the year", "label": "Supplier Finance Program, Obligation, Settlement", "documentation": "Amount of decrease in obligation for supplier finance program from settlement." } } }, "auth_ref": [ "r424", "r1229" ] }, "us-gaap_SupplierFinanceProgramObligationIncrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligationIncrease", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Invoices confirmed during the year", "label": "Supplier Finance Program, Obligation, Addition", "documentation": "Amount of increase in obligation for supplier finance program." } } }, "auth_ref": [ "r423", "r1229" ] }, "us-gaap_SupplierFinanceProgramObligationPeriodIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligationPeriodIncreaseDecrease", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Currency impact", "label": "Supplier Finance Program, Obligation, Period Increase (Decrease)", "documentation": "Amount of increase (decrease) in obligation for supplier finance program." } } }, "auth_ref": [ "r1662" ] }, "us-gaap_SupplierFinanceProgramObligationRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligationRollForward", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesSupplierFinanceProgramsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier Finance Program, Obligation [Roll Forward]", "label": "Supplier Finance Program, Obligation [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_SupplierFinanceProgramObligationStatementOfFinancialPositionExtensibleEnumeration": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramObligationStatementOfFinancialPositionExtensibleEnumeration", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]", "label": "Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes obligation for supplier finance program." } } }, "auth_ref": [ "r421" ] }, "us-gaap_SupplierFinanceProgramTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "SupplierFinanceProgramTableTextBlock", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Supplier Finance Program", "label": "Supplier Finance Program [Table Text Block]", "documentation": "Tabular disclosure of supplier finance program." } } }, "auth_ref": [ "r1229", "r1662" ] }, "ecd_TabularListTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TabularListTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Tabular List, Table", "label": "Tabular List [Table Text Block]" } } }, "auth_ref": [ "r1453" ] }, "us-gaap_TaxCreditCarryforwardAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TaxCreditCarryforwardAmount", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax credit carryforward", "label": "Tax Credit Carryforward, Amount", "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws." } } }, "auth_ref": [ "r711" ] }, "us-gaap_TaxCreditCarryforwardValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TaxCreditCarryforwardValuationAllowance", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tax credit carryforward, valuation allowance", "label": "Tax Credit Carryforward, Valuation Allowance", "documentation": "Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized." } } }, "auth_ref": [ "r1793" ] }, "us-gaap_TaxesPayableCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TaxesPayableCurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Taxes payable, current", "label": "Taxes Payable, Current", "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer)." } } }, "auth_ref": [ "r89", "r90" ] }, "us-gaap_TaxesPayableCurrentAndNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TaxesPayableCurrentAndNoncurrent", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Taxes payable", "label": "Taxes Payable", "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes." } } }, "auth_ref": [ "r90", "r168", "r1869" ] }, "us-gaap_TechnologyBasedIntangibleAssetsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TechnologyBasedIntangibleAssetsMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Technology and software", "label": "Technology-Based Intangible Assets [Member]", "documentation": "Technology-based intangible assets, including, but not limited to, patented technology, unpatented technology, and developed technology rights." } } }, "auth_ref": [ "r1298", "r1646", "r1647", "r1648", "r1649", "r1651", "r1652", "r1655", "r1656" ] }, "ecd_TotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Total Shareholder Return Amount", "label": "Total Shareholder Return Amount" } } }, "auth_ref": [ "r1445" ] }, "ecd_TotalShareholderRtnVsPeerGroupTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TotalShareholderRtnVsPeerGroupTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Total Shareholder Return Vs Peer Group", "label": "Total Shareholder Return Vs Peer Group [Text Block]" } } }, "auth_ref": [ "r1452" ] }, "us-gaap_TradeNamesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TradeNamesMember", "presentation": [ "http://www.novelis.com/role/GoodwillandIntangibleAssetsScheduleofIntangibleAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Tradenames", "label": "Trade Names [Member]", "documentation": "Rights acquired through registration of a business name to gain or protect exclusive use thereof." } } }, "auth_ref": [ "r1278", "r1646", "r1647", "r1648", "r1649", "r1650", "r1651", "r1652", "r1654", "r1655", "r1656" ] }, "ecd_TradingArrAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TradingArrAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Arrangement:", "label": "Trading Arrangement [Axis]" } } }, "auth_ref": [ "r1473" ] }, "ecd_TradingArrByIndTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TradingArrByIndTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Arrangements, by Individual", "label": "Trading Arrangements, by Individual [Table]" } } }, "auth_ref": [ "r1475" ] }, "ecd_TrdArrAdoptionDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrAdoptionDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Adoption Date", "label": "Trading Arrangement Adoption Date" } } }, "auth_ref": [ "r1476" ] }, "ecd_TrdArrDuration": { "xbrltype": "durationItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrDuration", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Arrangement Duration", "label": "Trading Arrangement Duration" } } }, "auth_ref": [ "r1477" ] }, "ecd_TrdArrExpirationDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrExpirationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Expiration Date", "label": "Trading Arrangement Expiration Date" } } }, "auth_ref": [ "r1477" ] }, "ecd_TrdArrIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Name", "label": "Trading Arrangement, Individual Name" } } }, "auth_ref": [ "r1475" ] }, "ecd_TrdArrIndTitle": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrIndTitle", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Title", "label": "Trading Arrangement, Individual Title" } } }, "auth_ref": [ "r1475" ] }, "ecd_TrdArrSecuritiesAggAvailAmt": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrSecuritiesAggAvailAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Available", "label": "Trading Arrangement, Securities Aggregate Available Amount" } } }, "auth_ref": [ "r1478" ] }, "ecd_TrdArrTerminationDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "TrdArrTerminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "terseLabel": "Termination Date", "label": "Trading Arrangement Termination Date" } } }, "auth_ref": [ "r1476" ] }, "nvl_TriggeringEventAxis": { "xbrltype": "stringItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "TriggeringEventAxis", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Triggering Event [Axis]", "label": "Triggering Event [Axis]", "documentation": "Triggering Event" } } }, "auth_ref": [] }, "nvl_TriggeringEventDomain": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "TriggeringEventDomain", "presentation": [ "http://www.novelis.com/role/CommitmentsandContingenciesBrazilianTaxRulingDetails", "http://www.novelis.com/role/DebtABLRevolverDetails", "http://www.novelis.com/role/DebtTermLoanFacilityDetails", "http://www.novelis.com/role/FairValueMeasurementsNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Triggering Event [Domain]", "label": "Triggering Event [Domain]", "documentation": "Triggering Event [Domain]" } } }, "auth_ref": [] }, "us-gaap_TypeOfRestructuringDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "TypeOfRestructuringDomain", "presentation": [ "http://www.novelis.com/role/RestructuringandImpairmentAdditionalInformationDetails", "http://www.novelis.com/role/RestructuringandImpairmentEmployeeRelatedLiabilityDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Type of Restructuring [Domain]", "label": "Type of Restructuring [Domain]", "documentation": "Identification of the types of restructuring costs." } } }, "auth_ref": [ "r253", "r257", "r432", "r433", "r437", "r438", "r1207" ] }, "country_US": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/country/2025", "localname": "US", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesReconciliationofStatutoryTaxRatesDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationAssetsDetails", "http://www.novelis.com/role/SegmentGeographicalAreaMajorCustomerandMajorSupplierInformationGeographicalInformationNetSalesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "United States", "label": "UNITED STATES" } } }, "auth_ref": [] }, "nvl_UlsanAluminumLtd.Member": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "UlsanAluminumLtd.Member", "presentation": [ "http://www.novelis.com/role/InvestmentinandAdvancestoNonConsolidatedAffiliatesandRelatedPartyTransactionsAdditionalInformationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ulsan Aluminum, Ltd.", "label": "Ulsan Aluminum, Ltd. [Member]", "documentation": "Ulsan Aluminum, Ltd. [Member]" } } }, "auth_ref": [] }, "nvl_UndistributedEarningsOfForeignSubsidiariesOutsideCanada": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "UndistributedEarningsOfForeignSubsidiariesOutsideCanada", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Undistributed earnings of foreign subsidiaries (outside Canada)", "label": "Undistributed Earnings of Foreign Subsidiaries (Outside Canada)", "documentation": "Undistributed Earnings of Foreign Subsidiaries (Outside Canada)" } } }, "auth_ref": [] }, "ecd_UndrlygSecurityMktPriceChngPct": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "UndrlygSecurityMktPriceChngPct", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Underlying Security Market Price Change", "label": "Underlying Security Market Price Change, Percent" } } }, "auth_ref": [ "r1472" ] }, "us-gaap_UnfundedPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnfundedPlanMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansChangeinBenefitObligationDetails", "http://www.novelis.com/role/PostretirementBenefitPlansEmployerContributionstoPlansDetails", "http://www.novelis.com/role/PostretirementBenefitPlansFundedStatusandAmountsRecognizedDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unfunded Plan [Member]", "label": "Defined Benefit Plan, Unfunded Plan [Member]", "documentation": "Defined benefit plan in which retirement benefits are payable directly from general assets of employer sponsoring plan." } } }, "auth_ref": [ "r1510", "r1693", "r1694", "r1695", "r1696", "r1697", "r1698", "r1699", "r1700", "r1701", "r1702", "r1703", "r1704", "r1705", "r1706", "r1707", "r1708", "r1709", "r1710", "r1711", "r1712", "r1713", "r1714", "r1715", "r1716", "r1717", "r1718", "r1719", "r1720", "r1721", "r1722", "r1723", "r1724", "r1725", "r1726", "r1727", "r1728", "r1729", "r1730", "r1731", "r1732", "r1733", "r1734", "r1735", "r1736", "r1737", "r1738", "r1739", "r1740", "r1741", "r1742", "r1747", "r1748", "r1749", "r1750", "r1751", "r1752", "r1753", "r1754", "r1755", "r1756" ] }, "us-gaap_UnrealizedGainLossOnInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrealizedGainLossOnInvestments", "crdr": "credit", "calculation": { "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/ConsolidatedStatementsofCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Loss (gain) on unrealized derivatives and other realized derivatives in investing activities, net", "label": "Unrealized Gain (Loss) on Investments", "documentation": "Amount of unrealized gain (loss) on investment." } } }, "auth_ref": [ "r12" ] }, "nvl_UnrealizedGainsLossesOnBalanceSheetRemeasurementCurrencyExchangeContractsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "UnrealizedGainsLossesOnBalanceSheetRemeasurementCurrencyExchangeContractsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Losses recognized on balance sheet remeasurement currency exchange contracts, net", "label": "Unrealized Gains Losses On Balance Sheet Remeasurement Currency Exchange Contracts Net", "documentation": "Unrealized gains (losses) on balance sheet remeasurement currency exchange contracts, net." } } }, "auth_ref": [] }, "nvl_UnrealizedGainsLossesOnOtherDerivativeInstrumentsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "UnrealizedGainsLossesOnOtherDerivativeInstrumentsNet", "crdr": "debit", "calculation": { "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails": { "parentTag": "us-gaap_DerivativeGainLossOnDerivativeNet", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.novelis.com/role/FinancialInstrumentsandCommodityContractsGainLossRecognitionDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Unrealized losses (gains) on other derivative instruments, net", "label": "Unrealized Gains Losses On Other Derivative Instruments Net", "documentation": "Unrealized gains (losses) on other derivative instruments, net." } } }, "auth_ref": [] }, "us-gaap_UnrecognizedTaxBenefits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefits", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails", "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance of unrecognized tax benefits", "periodEndLabel": "Ending Balance of unrecognized tax benefits", "terseLabel": "Unrecognized tax benefits", "label": "Unrecognized Tax Benefits", "documentation": "Amount of unrecognized tax benefits." } } }, "auth_ref": [ "r673", "r698", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Reductions based on tax positions of prior years (2)", "label": "Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions", "documentation": "Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns." } } }, "auth_ref": [ "r699", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Settlements (3)", "label": "Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities", "documentation": "Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities." } } }, "auth_ref": [ "r701", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued income tax penalties and interest", "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued", "documentation": "Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return." } } }, "auth_ref": [ "r696", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax penalties and interest expense", "label": "Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense", "documentation": "Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return." } } }, "auth_ref": [ "r696", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Additions based on tax positions related to the current period", "label": "Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions", "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return." } } }, "auth_ref": [ "r700", "r1269" ] }, "us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Additions based on tax positions of prior years(1)", "label": "Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions", "documentation": "Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns." } } }, "auth_ref": [ "r699", "r1269" ] }, "nvl_UnrecognizedTaxBenefitsNetChangesResultingFromForeignCurrencyTranslation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "UnrecognizedTaxBenefitsNetChangesResultingFromForeignCurrencyTranslation", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesUnrecognizedTaxBenefitsReconciliationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Foreign exchange", "label": "Unrecognized Tax Benefits, Net Changes Resulting from Foreign Currency Translation", "documentation": "Unrecognized Tax Benefits, Net Changes Resulting from Foreign Currency Translation" } } }, "auth_ref": [] }, "us-gaap_UnsecuredDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UnsecuredDebt", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/DebtLoansDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Unsecured debt", "label": "Unsecured Debt", "documentation": "Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer)." } } }, "auth_ref": [ "r32", "r170", "r1871" ] }, "us-gaap_UseOfEstimates": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "UseOfEstimates", "presentation": [ "http://www.novelis.com/role/BusinessandSummaryofSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Use of Estimates and Assumptions", "label": "Use of Estimates, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles." } } }, "auth_ref": [ "r191", "r192", "r306", "r309", "r310", "r311", "r995", "r997", "r1213" ] }, "nvl_ValuationAllowanceAdditions": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ValuationAllowanceAdditions", "crdr": "credit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesValuationAllowanceDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Allowance Additions", "label": "Valuation Allowance Additions", "documentation": "Valuation Allowance Additions" } } }, "auth_ref": [] }, "nvl_ValuationAllowanceDeductions": { "xbrltype": "monetaryItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "ValuationAllowanceDeductions", "crdr": "debit", "presentation": [ "http://www.novelis.com/role/IncomeTaxesValuationAllowanceDetails" ], "lang": { "en-us": { "role": { "negatedLabel": "Valuation Allowance Deductions", "label": "Valuation Allowance Deductions", "documentation": "Valuation Allowance Deductions" } } }, "auth_ref": [] }, "us-gaap_VariableInterestEntityDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableInterestEntityDisclosureTextBlock", "presentation": [ "http://www.novelis.com/role/Consolidation" ], "lang": { "en-us": { "role": { "terseLabel": "7. CONSOLIDATION", "label": "Variable Interest Entity Disclosure [Text Block]", "documentation": "The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss." } } }, "auth_ref": [ "r163" ] }, "us-gaap_VariableInterestEntityLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableInterestEntityLineItems", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Interest Entity [Line Items]", "label": "Variable Interest Entity [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r754", "r755", "r761", "r762", "r943", "r944", "r945" ] }, "us-gaap_VariableInterestEntityOwnershipPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableInterestEntityOwnershipPercentage", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Ownership in VIE", "label": "Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage", "documentation": "Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly)." } } }, "auth_ref": [ "r81" ] }, "us-gaap_VariableInterestEntityPrimaryBeneficiaryMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableInterestEntityPrimaryBeneficiaryMember", "presentation": [ "http://www.novelis.com/role/ConsolidationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Interest Entity, Primary Beneficiary", "label": "Variable Interest Entity, Primary Beneficiary [Member]", "documentation": "Variable Interest Entities (VIE) in which the entity has a controlling financial interest (as defined) and of which it is therefore the primary beneficiary. A controlling financial interest is determined based on both: (a) the entity's power to direct activities of the VIE that most significantly impact the VIE's economic performance and (b) the entity's obligation to absorb losses of the VIE that could potentially be significant to the VIE or the right to receive benefits from the VIE that could potentially be significant to the VIE. VIEs of which the entity is the primary beneficiary are included in the consolidated financial statements of the entity." } } }, "auth_ref": [ "r78", "r754", "r755", "r761", "r762" ] }, "us-gaap_VariableRateAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableRateAxis", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Rate [Axis]", "label": "Variable Rate [Axis]", "documentation": "Information by type of variable rate." } } }, "auth_ref": [ "r1530", "r1679", "r1821" ] }, "us-gaap_VariableRateDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2025", "localname": "VariableRateDomain", "presentation": [ "http://www.novelis.com/role/DebtABLRevolverDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Rate [Domain]", "label": "Variable Rate [Domain]", "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index." } } }, "auth_ref": [ "r1530", "r1679", "r1821" ] }, "nvl_VoreppeTFRAndPensionsKasseSierreMember": { "xbrltype": "domainItemType", "nsuri": "http://www.novelis.com/20260331", "localname": "VoreppeTFRAndPensionsKasseSierreMember", "presentation": [ "http://www.novelis.com/role/PostretirementBenefitPlansDetailsTextual" ], "lang": { "en-us": { "role": { "terseLabel": "Voreppe, TFR, and Pensions Kasse Sierre", "label": "Voreppe, TFR, and Pensions Kasse Sierre [Member]", "documentation": "Voreppe, TFR, and Pensions Kasse Sierre" } } }, "auth_ref": [] }, "ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year", "label": "Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]" } } }, "auth_ref": [ "r1441" ] }, "ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2025", "localname": "YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "terseLabel": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested", "label": "Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]" } } }, "auth_ref": [ "r1439" ] } } } }, "std_ref": { "r0": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "230", "Topic": "830", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477401/830-230-45-1" }, "r1": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r2": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r3": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(j)", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r4": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(k)", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r5": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-12" }, "r6": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-15" }, "r7": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-20" }, "r8": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "21B", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-21B" }, "r9": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "21D", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-21D" }, "r10": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(g)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r11": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r12": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r13": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "SubTopic": "10", "Topic": "360", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482130/360-10-45-5" }, "r14": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483489/210-10-50-1" }, "r15": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "360", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r16": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "470", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-1" }, "r17": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "20", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r18": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "30", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481097/715-30-50-1" }, "r19": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "60", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480266/715-60-50-1" }, "r20": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "70", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480794/715-70-50-1" }, "r21": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r22": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "10", "Topic": "505", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-2" }, "r23": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "80", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-2" }, "r24": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r25": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r26": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r27": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r28": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "SubTopic": "10", "Topic": "360", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3" }, "r29": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "SubTopic": "10", "Topic": "280", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-4" }, "r30": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482739/220-10-55-15" }, "r31": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "SubTopic": "10", "Topic": "420", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-1" }, "r32": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22))", "SubTopic": "10", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r33": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14" }, "r34": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14A" }, "r35": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-5" }, "r36": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r37": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-13" }, "r38": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-14" }, "r39": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-14" }, "r40": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-15" }, "r41": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-4" }, "r42": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-1" }, "r43": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2" }, "r44": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-3" }, "r45": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-4" }, "r46": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-5" }, "r47": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r48": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-25" }, "r49": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "30", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r50": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "30", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r51": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-31" }, "r52": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "40", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-40" }, "r53": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "41", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r54": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "280", "SubTopic": "10", "Section": "50", "Paragraph": "42", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-42" }, "r55": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "320", "Publisher": "FASB", "URI": "https://asc.fasb.org/320/tableOfContent" }, "r56": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482130/360-10-45-4" }, "r57": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r58": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r59": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "420", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r60": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "460", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482425/460-10-50-8" }, "r61": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "470", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-5" }, "r62": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "470", "SubTopic": "50", "Section": "40", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481303/470-50-40-2" }, "r63": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "470", "SubTopic": "50", "Section": "40", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481303/470-50-40-4" }, "r64": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-3" }, "r65": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-8" }, "r66": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "20", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r67": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "20", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-2" }, "r68": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "20", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-3" }, "r69": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "20", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-4" }, "r70": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "20", "Section": "55", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480482/715-20-55-17" }, "r71": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r72": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r73": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r74": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-15" }, "r75": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "45", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-16" }, "r76": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "45", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-21" }, "r77": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1" }, "r78": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r79": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-4" }, "r80": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "5A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-5A" }, "r81": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "5A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-5A" }, "r82": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-6" }, "r83": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-9" }, "r84": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "55", "Paragraph": "4I", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4I" }, "r85": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "810", "SubTopic": "10", "Section": "55", "Paragraph": "4K", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4K" }, "r86": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "470", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477734/942-470-50-3" }, "r87": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r88": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r89": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r90": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r91": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r92": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r93": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r94": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r95": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r96": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r97": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(26)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r98": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(26)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r99": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(26))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r100": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r101": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(29))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r102": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r103": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r104": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r105": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r106": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(31))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r107": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(32))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r108": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r109": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r110": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r111": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r112": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/220/tableOfContent" }, "r113": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r114": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r115": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r116": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-11" }, "r117": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r118": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r119": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r120": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r121": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r122": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r123": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r124": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r125": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r126": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r127": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483613/220-20-50-1" }, "r128": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r129": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-13" }, "r130": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-15" }, "r131": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-24" }, "r132": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r133": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r134": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r135": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "41", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r136": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "41", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r137": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 4.E)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480418/310-10-S99-2" }, "r138": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "360", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/360/tableOfContent" }, "r139": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "15", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482309/360-10-15-4" }, "r140": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r141": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.P.3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-1" }, "r142": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r143": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r144": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "440", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/440/tableOfContent" }, "r145": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "470", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/470/tableOfContent" }, "r146": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-6" }, "r147": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-7" }, "r148": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480008/505-10-S99-1" }, "r149": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r150": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Subparagraph": "(a)", "Name": "Accounting Standards Codification", "Paragraph": "1", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r151": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Subparagraph": "(b)", "Name": "Accounting Standards Codification", "Paragraph": "1", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r152": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Subparagraph": "(d)(5)", "Name": "Accounting Standards Codification", "Paragraph": "1", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r153": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Subparagraph": "(f)", "Name": "Accounting Standards Codification", "Paragraph": "1", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r154": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "715", "SubTopic": "20", "Subparagraph": "(h)", "Name": "Accounting Standards Codification", "Paragraph": "1", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r155": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r156": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r157": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r158": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r159": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r160": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Subparagraph": "(e)(1)", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r161": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Subparagraph": "(e)(2)", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r162": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Subparagraph": "(f)(2)", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r163": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "810", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/810/tableOfContent" }, "r164": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-19" }, "r165": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r166": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r167": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r168": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(15)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r169": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(15)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r170": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r171": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r172": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r173": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r174": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(13)(f))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r175": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r176": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r177": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r178": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "980", "SubTopic": "410", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 10.F)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478311/980-410-S99-1" }, "r179": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r180": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r181": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r182": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r183": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-2" }, "r184": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "29", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-29" }, "r185": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-7A" }, "r186": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "840", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481161/840-30-50-1" }, "r187": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482659/740-20-45-2" }, "r188": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "SubTopic": "210", "Topic": "946", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477796/946-210-45-20" }, "r189": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "SubTopic": "210", "Topic": "954", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477220/954-210-45-5" }, "r190": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1" }, "r191": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1" }, "r192": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1" }, "r193": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477798/958-360-50-1" }, "r194": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477798/958-360-50-6" }, "r195": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477798/958-360-50-7" }, "r196": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r197": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h))", "SubTopic": "10", "Topic": "235", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r198": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Topic": "323", "Publisher": "FASB", "URI": "https://asc.fasb.org/323/tableOfContent" }, "r199": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(1)", "Publisher": "SEC" }, "r200": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "a", "Subparagraph": "(2)", "Publisher": "SEC" }, "r201": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r202": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r203": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r204": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r205": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-6" }, "r206": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-7" }, "r207": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-9" }, "r208": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-9" }, "r209": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-9" }, "r210": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-9" }, "r211": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479343/105-10-65-9" }, "r212": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483499/205-20-50-1" }, "r213": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5C", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483499/205-20-50-5C" }, "r214": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483499/205-20-50-7" }, "r215": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r216": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-5" }, "r217": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r218": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r219": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r220": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r221": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r222": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r223": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r224": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r225": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r226": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r227": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r228": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r229": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r230": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r231": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-10" }, "r232": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-10A" }, "r233": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-11" }, "r234": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-12" }, "r235": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-14A" }, "r236": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-17A" }, "r237": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r238": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r239": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1A" }, "r240": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1B" }, "r241": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482790/220-10-45-1B" }, "r242": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-1" }, "r243": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-4" }, "r244": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-5" }, "r245": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-6" }, "r246": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r247": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r248": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r249": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r250": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r251": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r252": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r253": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r254": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r255": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r256": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(o)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r257": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r258": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r259": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r260": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r261": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476151/220-40-65-1" }, "r262": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476151/220-40-65-1" }, "r263": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476151/220-40-65-1" }, "r264": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-17" }, "r265": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-2" }, "r266": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-24" }, "r267": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-25" }, "r268": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2" }, "r269": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2A" }, "r270": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-8" }, "r271": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480738/235-10-S50-1" }, "r272": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480738/235-10-S50-4" }, "r273": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r274": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r275": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r276": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r277": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r278": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r279": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r280": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r281": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(m)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r282": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(n))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r283": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-04(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-3" }, "r284": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-23" }, "r285": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-24" }, "r286": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-5" }, "r287": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-6" }, "r288": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r289": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r290": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r291": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r292": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-1" }, "r293": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-11" }, "r294": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-11" }, "r295": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-3" }, "r296": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-4" }, "r297": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-6" }, "r298": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-7" }, "r299": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-8" }, "r300": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-9" }, "r301": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SAB Topic 11.M.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-5" }, "r302": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482689/260-10-45-60B" }, "r303": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482635/260-10-55-15" }, "r304": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "270", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482964/270-10-50-1" }, "r305": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483014/272-10-45-1" }, "r306": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-12" }, "r307": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-20" }, "r308": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-20" }, "r309": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-4" }, "r310": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-6" }, "r311": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-9" }, "r312": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/280/tableOfContent" }, "r313": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-15" }, "r314": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-21" }, "r315": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-21" }, "r316": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r317": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r318": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r319": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r320": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r321": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r322": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r323": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r324": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r325": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r326": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-24" }, "r327": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "25", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-25" }, "r328": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "25", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-25" }, "r329": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "26", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-26" }, "r330": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "26A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-26A" }, "r331": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "26B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-26B" }, "r332": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "26C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-26C" }, "r333": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r334": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r335": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r336": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r337": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-31" }, "r338": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r339": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(ee)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r340": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r341": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "34", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-34" }, "r342": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "40", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-40" }, "r343": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "41", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r344": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "41", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r345": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "41", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-41" }, "r346": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-42" }, "r347": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476173/280-10-65-1" }, "r348": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476173/280-10-65-1" }, "r349": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/310/tableOfContent" }, "r350": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-13" }, "r351": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481990/310-10-45-2" }, "r352": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-2" }, "r353": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-2" }, "r354": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-2" }, "r355": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-4" }, "r356": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481569/310-20-50-1" }, "r357": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481664/323-10-45-1" }, "r358": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r359": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r360": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r361": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r362": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r363": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r364": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/326/tableOfContent" }, "r365": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-4" }, "r366": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-4" }, "r367": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-4" }, "r368": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479654/326-10-65-5" }, "r369": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479344/326-20-45-1" }, "r370": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r371": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r372": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-14" }, "r373": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-5" }, "r374": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "330", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/330/tableOfContent" }, "r375": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "330", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483080/330-10-50-2" }, "r376": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480265/350-10-S45-1" }, "r377": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-20/tableOfContent" }, "r378": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482598/350-20-45-1" }, "r379": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482598/350-20-45-2" }, "r380": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r381": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r382": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r383": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r384": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r385": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r386": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r387": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r388": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r389": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1A" }, "r390": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-2" }, "r391": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-5" }, "r392": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-6" }, "r393": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-30/tableOfContent" }, "r394": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-1" }, "r395": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-2" }, "r396": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r397": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r398": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r399": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r400": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r401": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r402": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r403": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r404": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r405": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-3" }, "r406": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-3" }, "r407": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-4" }, "r408": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476166/350-60-65-1" }, "r409": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "350", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476166/350-60-65-1" }, "r410": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3" }, "r411": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3" }, "r412": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3A" }, "r413": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-3A" }, "r414": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r415": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r416": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r417": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r418": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r419": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r420": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r421": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r422": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r423": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r424": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r425": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r426": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-4" }, "r427": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477123/405-50-65-1" }, "r428": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "410", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481999/410-20-25-4" }, "r429": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "410", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481850/410-20-50-1" }, "r430": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/410-30/tableOfContent" }, "r431": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-4" }, "r432": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r433": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r434": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r435": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r436": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.P.3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-1" }, "r437": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r438": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r439": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r440": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482648/440-10-50-4" }, "r441": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482648/440-10-50-4" }, "r442": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-1" }, "r443": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-4" }, "r444": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-9" }, "r445": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r446": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r447": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r448": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482425/460-10-50-2" }, "r449": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482425/460-10-50-3" }, "r450": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r451": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r452": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r453": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r454": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r455": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r456": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r457": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r458": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r459": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r460": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r461": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r462": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r463": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r464": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r465": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r466": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r467": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r468": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r469": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r470": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r471": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r472": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r473": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r474": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1C", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1C" }, "r475": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r476": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r477": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r478": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r479": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r480": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r481": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r482": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r483": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r484": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r485": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1F" }, "r486": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r487": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r488": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r489": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1I" }, "r490": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-4" }, "r491": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-4" }, "r492": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-4" }, "r493": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-6" }, "r494": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481538/470-20-65-4" }, "r495": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481538/470-20-65-4" }, "r496": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(f)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481538/470-20-65-4" }, "r497": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(f)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481538/470-20-65-4" }, "r498": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479887/480-10-S45-1" }, "r499": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479887/480-10-S45-2" }, "r500": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479887/480-10-S45-3" }, "r501": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479857/480-10-S50-1" }, "r502": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479857/480-10-S50-3" }, "r503": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480244/480-10-S99-1" }, "r504": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(01)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480244/480-10-S99-1" }, "r505": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3A", "Subparagraph": "(24)(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480244/480-10-S99-3A" }, "r506": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r507": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-18" }, "r508": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480008/505-10-S99-1" }, "r509": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479806/606-10-50-4" }, "r510": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479806/606-10-50-5" }, "r511": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479806/606-10-50-7" }, "r512": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/715/tableOfContent" }, "r513": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480535/715-20-45-2" }, "r514": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480535/715-20-45-3" }, "r515": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480535/715-20-45-3A" }, "r516": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480535/715-20-45-3A" }, "r517": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r518": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r519": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(10)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r520": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r521": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r522": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r523": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r524": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r525": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r526": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(8)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r527": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(9)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r528": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r529": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r530": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r531": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r532": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r533": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r534": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r535": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r536": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(8)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r537": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r538": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r539": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r540": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r541": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r542": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r543": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(A)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r544": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(B)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r545": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(C)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r546": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r547": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r548": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r549": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r550": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r551": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r552": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r553": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r554": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r555": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r556": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r557": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r558": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r559": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r560": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r561": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r562": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r563": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r564": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r565": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r566": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(n)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r567": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(o)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r568": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(p)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r569": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r570": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(r)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r571": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(r)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r572": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-2" }, "r573": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-3" }, "r574": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-3" }, "r575": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r576": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r577": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r578": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r579": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r580": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r581": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r582": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r583": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r584": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r585": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r586": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r587": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r588": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r589": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(j)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r590": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(j)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r591": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(j)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r592": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(j)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r593": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r594": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r595": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(m)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r596": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r597": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r598": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r599": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r600": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r601": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r602": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r603": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r604": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r605": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r606": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-7" }, "r607": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-8" }, "r608": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480126/715-20-S99-2" }, "r609": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480266/715-60-50-3" }, "r610": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480266/715-60-50-4" }, "r611": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "70", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480794/715-70-50-1" }, "r612": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480606/715-80-35-1" }, "r613": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-11" }, "r614": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-5" }, "r615": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-9" }, "r616": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/718/tableOfContent" }, "r617": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "1D", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480483/718-10-35-1D" }, "r618": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480483/718-10-35-3" }, "r619": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r620": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r621": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r622": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r623": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r624": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r625": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r626": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r627": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r628": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r629": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r630": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r631": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r632": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r633": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r634": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r635": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r636": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r637": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r638": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r639": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r640": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r641": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r642": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r643": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r644": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r645": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r646": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r647": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r648": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(v)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r649": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r650": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r651": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r652": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r653": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r654": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "17", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480336/718-10-65-17" }, "r655": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "17", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480336/718-10-65-17" }, "r656": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "17", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480336/718-10-65-17" }, "r657": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "17", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480336/718-10-65-17" }, "r658": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479983/718-10-S45-1" }, "r659": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479953/718-10-S50-2" }, "r660": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479953/718-10-S50-3" }, "r661": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479953/718-10-S50-4" }, "r662": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479953/718-10-S50-5" }, "r663": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.C.Q3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479830/718-10-S99-1" }, "r664": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.D.1.Q5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479830/718-10-S99-1" }, "r665": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.D.2.Q6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479830/718-10-S99-1" }, "r666": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.D.3.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479830/718-10-S99-1" }, "r667": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.F)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479830/718-10-S99-1" }, "r668": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "720", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483359/720-20-50-1" }, "r669": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "720", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483384/720-30-45-1" }, "r670": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "730", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "05", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483044/730-10-05-1" }, "r671": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "730", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482916/730-10-50-1" }, "r672": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/740/tableOfContent" }, "r673": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-10B" }, "r674": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-15" }, "r675": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-25" }, "r676": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-28" }, "r677": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-4" }, "r678": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482525/740-10-45-6" }, "r679": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-10" }, "r680": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-10A" }, "r681": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12" }, "r682": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12" }, "r683": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r684": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r685": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r686": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r687": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r688": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r689": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r690": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r691": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(a)(8)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r692": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r693": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12B" }, "r694": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12C" }, "r695": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-14" }, "r696": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15" }, "r697": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15" }, "r698": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15A" }, "r699": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15A", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15A" }, "r700": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15A", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15A" }, "r701": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15A", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15A" }, "r702": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "17", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-17" }, "r703": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-19" }, "r704": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r705": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r706": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r707": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-20" }, "r708": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-21" }, "r709": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-22" }, "r710": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-23" }, "r711": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-3" }, "r712": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r713": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r714": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-8" }, "r715": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-8" }, "r716": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-9" }, "r717": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-9" }, "r718": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "9", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482615/740-10-65-9" }, "r719": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.1.Q1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-1" }, "r720": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.5.Q1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-1" }, "r721": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-1" }, "r722": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 11.C)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-2" }, "r723": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "270", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477891/740-270-50-1" }, "r724": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482603/740-30-50-2" }, "r725": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478758/740-323-25-1" }, "r726": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r727": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r728": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r729": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r730": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r731": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r732": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r733": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r734": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478666/740-323-65-2" }, "r735": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "05", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479515/805-10-05-4" }, "r736": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479405/805-10-25-1" }, "r737": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-2" }, "r738": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-2" }, "r739": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-3" }, "r740": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479907/805-20-50-1" }, "r741": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479907/805-20-50-2" }, "r742": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479845/805-20-65-3" }, "r743": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479845/805-20-65-3" }, "r744": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479845/805-20-65-3" }, "r745": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-1" }, "r746": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-2" }, "r747": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-4" }, "r748": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r749": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r750": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r751": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r752": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476176/805-60-65-1" }, "r753": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-19" }, "r754": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-25" }, "r755": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481231/810-10-45-25" }, "r756": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r757": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r758": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1A" }, "r759": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-1B" }, "r760": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2AG", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-2AG" }, "r761": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r762": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481203/810-10-50-3" }, "r763": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/815/tableOfContent" }, "r764": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r765": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r766": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r767": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r768": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1B" }, "r769": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r770": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r771": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r772": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r773": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-2" }, "r774": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r775": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r776": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r777": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r778": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r779": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r780": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r781": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r782": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r783": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r784": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r785": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r786": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r787": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r788": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r789": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r790": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r791": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r792": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CC", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CC" }, "r793": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r794": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r795": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r796": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r797": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r798": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r799": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r800": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r801": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r802": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r803": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4E" }, "r804": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r805": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r806": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r807": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EE", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EE" }, "r808": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EEE", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE" }, "r809": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EEE", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE" }, "r810": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4EEE", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4EEE" }, "r811": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r812": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4F", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r813": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4F", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4F" }, "r814": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4H", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4H" }, "r815": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4H", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4H" }, "r816": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4I", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4I" }, "r817": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r818": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r819": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r820": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r821": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r822": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r823": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r824": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r825": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-5C" }, "r826": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-7" }, "r827": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-7A" }, "r828": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r829": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r830": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r831": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8A" }, "r832": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8C" }, "r833": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479693/815-10-S50-1" }, "r834": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "15", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480960/815-15-50-3" }, "r835": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r836": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r837": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r838": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r839": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r840": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r841": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r842": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r843": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r844": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480528/815-20-65-6" }, "r845": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-1" }, "r846": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-2" }, "r847": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-2" }, "r848": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-2" }, "r849": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-2" }, "r850": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480237/815-40-50-5" }, "r851": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r852": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r853": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r854": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r855": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r856": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r857": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r858": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r859": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r860": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r861": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r862": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "54B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482134/820-10-35-54B" }, "r863": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r864": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r865": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r866": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r867": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r868": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r869": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r870": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2E" }, "r871": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r872": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r873": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r874": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482477/820-10-65-13" }, "r875": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482477/820-10-65-13" }, "r876": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/825/tableOfContent" }, "r877": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482736/825-10-45-1A" }, "r878": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-10" }, "r879": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-11" }, "r880": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-11" }, "r881": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21" }, "r882": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21" }, "r883": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r884": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r885": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r886": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-30" }, "r887": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-32" }, "r888": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482804/825-20-50-1" }, "r889": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/830/tableOfContent" }, "r890": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481839/830-10-45-17" }, "r891": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481839/830-10-45-9" }, "r892": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482014/830-20-35-1" }, "r893": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482014/830-20-35-3" }, "r894": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481956/830-20-45-1" }, "r895": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481926/830-20-50-1" }, "r896": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "230", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477401/830-230-45-1" }, "r897": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-12" }, "r898": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-17" }, "r899": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r900": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r901": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r902": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r903": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r904": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481674/830-30-50-1" }, "r905": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479424/830-30-S99-1" }, "r906": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483013/835-20-50-1" }, "r907": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483013/835-20-50-1" }, "r908": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-1A" }, "r909": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-2" }, "r910": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482900/835-30-50-1" }, "r911": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479832/842-10-65-8" }, "r912": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479832/842-10-65-8" }, "r913": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/842-20/tableOfContent" }, "r914": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "12A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479165/842-20-35-12A" }, "r915": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-1" }, "r916": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-1" }, "r917": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-2" }, "r918": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-5" }, "r919": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-5" }, "r920": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-5" }, "r921": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r922": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r923": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r924": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r925": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r926": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-6" }, "r927": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-7A" }, "r928": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-1" }, "r929": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r930": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r931": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r932": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r933": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483550/848-10-65-2" }, "r934": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r935": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r936": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-2" }, "r937": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-3" }, "r938": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481435/852-10-45-14" }, "r939": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r940": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r941": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r942": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r943": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-1A" }, "r944": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-1A" }, "r945": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-1A" }, "r946": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-7" }, "r947": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481420/860-30-50-9" }, "r948": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "910", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482546/910-10-50-6" }, "r949": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "924", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 11.L)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479941/924-10-S99-1" }, "r950": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483154/926-20-50-5" }, "r951": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "928", "SubTopic": "340", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478859/928-340-50-1" }, "r952": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478934/932-220-50-1" }, "r953": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-15" }, "r954": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-18" }, "r955": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-18" }, "r956": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-18" }, "r957": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-19" }, "r958": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-20" }, "r959": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-20" }, "r960": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r961": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r962": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r963": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r964": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r965": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-23" }, "r966": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-28" }, "r967": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-28" }, "r968": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r969": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r970": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r971": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r972": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r973": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-31" }, "r974": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-33" }, "r975": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "35A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-35A" }, "r976": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r977": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r978": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r979": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r980": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r981": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-5" }, "r982": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-6" }, "r983": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-7" }, "r984": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-8" }, "r985": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-8" }, "r986": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-8" }, "r987": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "280", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478657/932-280-50-1" }, "r988": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478988/932-323-50-1" }, "r989": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(10)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478546/942-210-S99-1" }, "r990": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(14)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r991": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r992": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r993": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r994": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(26))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478524/942-220-S99-1" }, "r995": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478671/942-235-S50-1" }, "r996": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-05(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-1" }, "r997": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-05(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-1" }, "r998": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-05(b)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-1" }, "r999": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-2" }, "r1000": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478451/942-360-50-1" }, "r1001": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "740", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477617/942-740-50-1" }, "r1002": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1003": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1004": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1005": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1006": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1007": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1008": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1009": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1010": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1011": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1012": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1013": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1014": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1015": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1016": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1017": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1018": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1019": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1020": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1021": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1022": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1023": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1024": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1025": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1026": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477250/944-220-S99-1" }, "r1027": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1028": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1029": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1030": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1031": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1032": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1033": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column G))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1034": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column H))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1035": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column I))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1036": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column J))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1037": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-16(Column K))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-1" }, "r1038": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column A))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1039": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1040": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1041": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1042": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1043": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477965/944-235-S99-2" }, "r1044": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-3" }, "r1045": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-3" }, "r1046": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-3" }, "r1047": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(cc)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-3" }, "r1048": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4E" }, "r1049": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1050": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1051": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1052": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-9" }, "r1053": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1054": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1055": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1056": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1057": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1058": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1059": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1060": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1061": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1062": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1063": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1064": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480016/944-40-65-2" }, "r1065": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.W.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479583/944-40-S99-1" }, "r1066": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "740", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478822/944-740-50-1" }, "r1067": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "805", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478072/944-805-50-1" }, "r1068": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "825", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477351/944-825-50-1B" }, "r1069": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "825", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477351/944-825-50-1B" }, "r1070": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480424/946-10-50-3" }, "r1071": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r1072": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(h)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r1073": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479886/946-10-S99-3" }, "r1074": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480990/946-20-50-11" }, "r1075": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480990/946-20-50-13" }, "r1076": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-3" }, "r1077": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-3" }, "r1078": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-4" }, "r1079": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-6" }, "r1080": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477796/946-210-45-21" }, "r1081": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477796/946-210-45-4" }, "r1082": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r1083": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r1084": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r1085": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r1086": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-12" }, "r1087": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-2" }, "r1088": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1089": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1090": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1091": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1092": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1093": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1094": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1095": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1096": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1097": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1098": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1099": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1100": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1101": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(16)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1102": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1103": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1104": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1105": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1106": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1107": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1108": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1109": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1110": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1111": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1112": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1113": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1114": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(7)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1115": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1116": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1117": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1118": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1119": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-1" }, "r1120": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-2" }, "r1121": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479170/946-210-S99-2" }, "r1122": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-6" }, "r1123": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-7" }, "r1124": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1125": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1126": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(c)(2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1127": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(c)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1128": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(g)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1129": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1130": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1131": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1132": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1133": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1134": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1135": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1136": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1137": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1138": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1139": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1140": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1141": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1142": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1143": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(1)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1144": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1145": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1146": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1147": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477802/946-310-45-1" }, "r1148": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1149": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column C)(Footnote 5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1150": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r1151": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column C)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r1152": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r1153": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r1154": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column C)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r1155": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column A)(Footnote 3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r1156": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column G)(Footnote 8))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r1157": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SX 210.12-13(Column G))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5" }, "r1158": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5A", "Subparagraph": "(SX 210.12-13A(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5A" }, "r1159": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5B", "Subparagraph": "(SX 210.12-13B(Column E)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5B" }, "r1160": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5B", "Subparagraph": "(SX 210.12-13B(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5B" }, "r1161": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column H)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r1162": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column H))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r1163": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r1164": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column F)(Footnote 7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r1165": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-2" }, "r1166": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478448/946-505-50-3" }, "r1167": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477011/948-310-45-1" }, "r1168": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478322/948-310-S50-2" }, "r1169": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-29(Column A)(Footnote 3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479628/948-310-S99-1" }, "r1170": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-29(Column A)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479628/948-310-S99-1" }, "r1171": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-29(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479628/948-310-S99-1" }, "r1172": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-29(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479628/948-310-S99-1" }, "r1173": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478785/954-310-50-2" }, "r1174": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "440", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478522/954-440-50-1" }, "r1175": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "450", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477850/954-450-50-1" }, "r1176": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1177": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1178": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1179": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1180": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column E)(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1181": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1182": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1183": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column G))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1184": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column H))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1185": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Column I))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478979/970-360-S99-1" }, "r1186": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "976", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477332/976-310-50-1" }, "r1187": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "978", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479230/978-310-50-1" }, "r1188": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "985", "SubTopic": "20", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/985-20/tableOfContent" }, "r1189": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "985", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481283/985-20-50-2" }, "r1190": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "SubTopic": "10", "Topic": "825", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482881/825-10-55-10" }, "r1191": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13H", "Subparagraph": "(a)", "SubTopic": "40", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-13H" }, "r1192": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13H", "Subparagraph": "(b)", "SubTopic": "40", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-13H" }, "r1193": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "40", "SubTopic": "30", "Topic": "350", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482640/350-30-55-40" }, "r1194": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r1195": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r1196": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483467/210-10-45-1" }, "r1197": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-15" }, "r1198": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-16" }, "r1199": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-20" }, "r1200": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-21" }, "r1201": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-22" }, "r1202": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482739/220-10-55-15" }, "r1203": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-12" }, "r1204": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1205": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-11" }, "r1206": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-14" }, "r1207": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-18" }, "r1208": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-21" }, "r1209": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-24" }, "r1210": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476153/220-40-55-4" }, "r1211": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483426/235-10-50-4" }, "r1212": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482836/275-10-55-18" }, "r1213": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482836/275-10-55-6" }, "r1214": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r1215": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-31" }, "r1216": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "47", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-47" }, "r1217": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "47", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-47" }, "r1218": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "47", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-47" }, "r1219": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "47", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-47" }, "r1220": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "48", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-48" }, "r1221": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "49", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-49" }, "r1222": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "54", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-54" }, "r1223": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "54", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-54" }, "r1224": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "54", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482785/280-10-55-54" }, "r1225": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481933/310-10-55-12A" }, "r1226": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "79", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-79" }, "r1227": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "80", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479294/326-20-55-80" }, "r1228": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482548/350-20-55-24" }, "r1229": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477128/405-50-55-5" }, "r1230": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481899/410-30-55-11" }, "r1231": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481899/410-30-55-14" }, "r1232": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481899/410-30-55-16" }, "r1233": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r1234": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r1235": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r1236": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r1237": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "27", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482395/460-10-55-27" }, "r1238": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r1239": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69B" }, "r1240": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69C" }, "r1241": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69E" }, "r1242": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481568/470-20-55-69F" }, "r1243": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "480", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "64", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481620/480-10-55-64" }, "r1244": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481112/505-10-50-13" }, "r1245": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479806/606-10-50-5" }, "r1246": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1247": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1248": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1249": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1250": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1251": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1252": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1253": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1254": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1255": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1256": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1257": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(m)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1258": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480482/715-20-55-17" }, "r1259": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480482/715-20-55-18" }, "r1260": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-11" }, "r1261": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-11" }, "r1262": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-11" }, "r1263": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-6" }, "r1264": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-6" }, "r1265": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480576/715-80-50-6" }, "r1266": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480547/715-80-55-8" }, "r1267": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1268": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1269": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "217", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482663/740-10-55-217" }, "r1270": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "231", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482663/740-10-55-231" }, "r1271": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-8" }, "r1272": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "39", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479303/805-10-55-39" }, "r1273": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "41", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479303/805-10-55-41" }, "r1274": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "42", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479303/805-10-55-42" }, "r1275": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "43", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479303/805-10-55-43" }, "r1276": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "47", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479303/805-10-55-47" }, "r1277": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r1278": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r1279": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r1280": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r1281": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-14" }, "r1282": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-20" }, "r1283": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-20" }, "r1284": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-20" }, "r1285": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-20" }, "r1286": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "29", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-29" }, "r1287": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "29", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-29" }, "r1288": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1289": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1290": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1291": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1292": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1293": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1294": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1295": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1296": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1297": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "31", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-31" }, "r1298": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1299": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1300": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1301": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1302": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1303": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "38", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479876/805-20-55-38" }, "r1304": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-1" }, "r1305": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-2" }, "r1306": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "805", "SubTopic": "740", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478064/805-740-55-13" }, "r1307": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4J", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4J" }, "r1308": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4K", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481175/810-10-55-4K" }, "r1309": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1310": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1311": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1312": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1313": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1314": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1315": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1316": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1317": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r1318": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r1319": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CCC", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CCC" }, "r1320": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r1321": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "181", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-181" }, "r1322": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "182", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-182" }, "r1323": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "183", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-183" }, "r1324": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "184", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-184" }, "r1325": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "185", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480401/815-10-55-185" }, "r1326": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "100", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-100" }, "r1327": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "100", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-100" }, "r1328": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "102", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-102" }, "r1329": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "103", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-103" }, "r1330": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r1331": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r1332": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "107", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482078/820-10-55-107" }, "r1333": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482881/825-10-55-12" }, "r1334": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482949/835-30-55-8" }, "r1335": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "53", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479589/842-20-55-53" }, "r1336": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481372/852-10-55-10" }, "r1337": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481395/860-30-55-4" }, "r1338": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-12" }, "r1339": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-17" }, "r1340": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-21" }, "r1341": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "29", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-29" }, "r1342": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-3" }, "r1343": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "34", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477215/932-235-50-34" }, "r1344": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-2" }, "r1345": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-3" }, "r1346": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-4" }, "r1347": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-5" }, "r1348": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-6" }, "r1349": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477916/932-235-55-7" }, "r1350": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "942", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480095/942-10-S50-1" }, "r1351": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "942", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480035/942-10-S99-6" }, "r1352": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479401/944-30-55-2" }, "r1353": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13H", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-13H" }, "r1354": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "29F", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-29F" }, "r1355": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-7" }, "r1356": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-9C" }, "r1357": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-9C" }, "r1358": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9C", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-9C" }, "r1359": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9C", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-9C" }, "r1360": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "9E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480046/944-40-55-9E" }, "r1361": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "605", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477548/944-605-55-11" }, "r1362": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "605", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477548/944-605-55-12" }, "r1363": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "605", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477548/944-605-55-14" }, "r1364": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "605", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477548/944-605-55-15" }, "r1365": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480078/944-80-55-18" }, "r1366": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-1" }, "r1367": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1368": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477439/946-210-55-1" }, "r1369": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477802/946-310-45-1" }, "r1370": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1371": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r1372": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r1373": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column A)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r1374": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5C", "Subparagraph": "(SX 210.12-13C(Column B)(Footnote 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-5C" }, "r1375": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" }, "r1376": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r1377": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r1378": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "7", "Subparagraph": "(SX 210.12-15(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-7" }, "r1379": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-10" }, "r1380": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-11" }, "r1381": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-12" }, "r1382": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-13" }, "r1383": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-14" }, "r1384": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-15" }, "r1385": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479168/946-830-55-16" }, "r1386": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r1387": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-23" }, "r1388": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 10-K", "Number": "249", "Section": "310" }, "r1389": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Number": "249", "Section": "220", "Subsection": "f" }, "r1390": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16", "Subsection": "J", "Paragraph": "a" }, "r1391": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K" }, "r1392": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "b", "Paragraph": "1" }, "r1393": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "b", "Paragraph": "1", "Subparagraph": "i" }, "r1394": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "b", "Paragraph": "1", "Subparagraph": "ii" }, "r1395": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "b", "Paragraph": "1", "Subparagraph": "iii" }, "r1396": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "b", "Paragraph": "2" }, "r1397": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "c", "Paragraph": "1" }, "r1398": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "c", "Paragraph": "2" }, "r1399": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "c", "Paragraph": "2", "Subparagraph": "i" }, "r1400": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "c", "Paragraph": "2", "Subparagraph": "ii" }, "r1401": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16K", "Subsection": "c", "Paragraph": "2", "Subparagraph": "iii" }, "r1402": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1" }, "r1403": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i" }, "r1404": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r1405": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r1406": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r1407": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r1408": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r1409": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "ii" }, "r1410": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "iii" }, "r1411": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "2" }, "r1412": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Number": "249", "Section": "240", "Subsection": "f" }, "r1413": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a" }, "r1414": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1" }, "r1415": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r1416": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r1417": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r1418": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r1419": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r1420": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "2" }, "r1421": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "3" }, "r1422": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "b" }, "r1423": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a" }, "r1424": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1" }, "r1425": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r1426": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r1427": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r1428": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r1429": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r1430": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "2" }, "r1431": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "3" }, "r1432": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "b" }, "r1433": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Section": "13", "Subsection": "a-1" }, "r1434": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v" }, "r1435": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "1" }, "r1436": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "ii" }, "r1437": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii" }, "r1438": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Subclause": "ii" }, "r1439": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "i" }, "r1440": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "ii" }, "r1441": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "iii" }, "r1442": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "iv" }, "r1443": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "v" }, "r1444": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1", "Subclause": "vi" }, "r1445": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iv" }, "r1446": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "vi" }, "r1447": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "3" }, "r1448": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "4" }, "r1449": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "i" }, "r1450": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "ii" }, "r1451": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iii" }, "r1452": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iv" }, "r1453": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6" }, "r1454": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6", "Subparagraph": "i" }, "r1455": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w" }, "r1456": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1" }, "r1457": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i" }, "r1458": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r1459": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r1460": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r1461": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r1462": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r1463": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "ii" }, "r1464": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "iii" }, "r1465": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "2" }, "r1466": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "1" }, "r1467": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2" }, "r1468": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "A" }, "r1469": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "C" }, "r1470": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "D" }, "r1471": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "E" }, "r1472": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "F" }, "r1473": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a" }, "r1474": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "1" }, "r1475": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "A" }, "r1476": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "B" }, "r1477": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "C" }, "r1478": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "D" }, "r1479": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "b", "Paragraph": "1" }, "r1480": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106" }, "r1481": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "b", "Paragraph": "1" }, "r1482": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "b", "Paragraph": "1", "Subparagraph": "i" }, "r1483": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "b", "Paragraph": "1", "Subparagraph": "ii" }, "r1484": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "b", "Paragraph": "1", "Subparagraph": "iii" }, "r1485": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "b", "Paragraph": "2" }, "r1486": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "c", "Paragraph": "1" }, "r1487": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "c", "Paragraph": "2" }, "r1488": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "c", "Paragraph": "2", "Subparagraph": "i" }, "r1489": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "c", "Paragraph": "2", "Subparagraph": "ii" }, "r1490": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "106", "Subsection": "c", "Paragraph": "2", "Subparagraph": "iii" }, "r1491": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Number": "229", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "C", "Clause": "1" }, "r1492": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "A", "Number": "229" }, "r1493": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Number": "229" }, "r1494": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii", "Sentence": "B", "Clause": "1", "Subclause": "i", "Number": "229" }, "r1495": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-T", "Number": "232", "Section": "405" }, "r1496": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "405" }, "r1497": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1498": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1499": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-8" }, "r1500": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r1501": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r1502": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-10" }, "r1503": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-2" }, "r1504": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-2" }, "r1505": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-2" }, "r1506": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481926/830-20-50-3" }, "r1507": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "842", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-1" }, "r1508": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-12" }, "r1509": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "842", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479041/842-20-45-4" }, "r1510": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(B)", "SubTopic": "20", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1511": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(a)", "SubTopic": "40", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1512": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(1)", "SubTopic": "310", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477363/944-310-50-3" }, "r1513": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "842", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r1514": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r1515": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(2)(a))", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1516": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(2)(d))", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1517": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Topic": "705", "Publisher": "FASB", "URI": "https://asc.fasb.org/705/tableOfContent" }, "r1518": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "a", "Publisher": "SEC" }, "r1519": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1520": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1521": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1522": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1523": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1524": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1525": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1526": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1527": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1528": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(6)(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1529": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1530": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX210.5-02(22)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480566/210-10-S99-1" }, "r1531": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1532": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1533": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1534": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1535": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1536": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1537": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483466/210-20-50-3" }, "r1538": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-10" }, "r1539": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-12" }, "r1540": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-15" }, "r1541": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483444/210-20-55-16" }, "r1542": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-4" }, "r1543": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-5" }, "r1544": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482765/220-10-50-6" }, "r1545": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1546": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483621/220-10-S99-2" }, "r1547": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1548": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1549": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1550": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1551": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1552": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1553": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1554": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1555": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1556": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1557": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1558": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1559": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(m)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-21" }, "r1560": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1561": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1562": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1563": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1564": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1565": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1566": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1567": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1568": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1569": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1570": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1571": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(m)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1572": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(n)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1573": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(o)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1574": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(p)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1575": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1576": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(r)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1577": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(s)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1578": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(t)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1579": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(u)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-22" }, "r1580": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-30" }, "r1581": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-31" }, "r1582": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-32" }, "r1583": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-33" }, "r1584": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r1585": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r1586": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r1587": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r1588": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147476148/220-40-50-6" }, "r1589": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-13" }, "r1590": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-14" }, "r1591": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-17" }, "r1592": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482740/230-10-45-28" }, "r1593": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-2A" }, "r1594": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482913/230-10-50-8" }, "r1595": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483426/235-10-50-1" }, "r1596": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480738/235-10-S50-1" }, "r1597": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480738/235-10-S50-4" }, "r1598": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480738/235-10-S50-5" }, "r1599": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(f))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1600": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1601": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1602": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1603": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1604": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1605": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-1" }, "r1606": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-04(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-3" }, "r1607": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SX 210.12-09(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-4" }, "r1608": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SX 210.12-09(Column C)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-4" }, "r1609": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SX 210.12-09(Column C)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-4" }, "r1610": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SX 210.12-09(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-4" }, "r1611": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SX 210.12-09(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480678/235-10-S99-4" }, "r1612": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-23" }, "r1613": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-24" }, "r1614": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483421/250-10-45-5" }, "r1615": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483443/250-10-50-6" }, "r1616": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "270", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482964/270-10-50-1" }, "r1617": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18" }, "r1618": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18" }, "r1619": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18" }, "r1620": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18" }, "r1621": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-18" }, "r1622": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-18" }, "r1623": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-22" }, "r1624": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r1625": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-30" }, "r1626": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(ee)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r1627": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482810/280-10-50-32" }, "r1628": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481962/310-10-50-2" }, "r1629": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r1630": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481687/323-10-50-3" }, "r1631": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479344/326-20-45-1" }, "r1632": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479319/326-20-50-13" }, "r1633": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-20/tableOfContent" }, "r1634": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1635": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1636": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1637": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1638": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1639": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1640": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1641": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1642": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1" }, "r1643": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-1A" }, "r1644": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482573/350-20-50-2" }, "r1645": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/350-30/tableOfContent" }, "r1646": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482686/350-30-45-1" }, "r1647": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1648": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1649": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1650": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1651": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-1" }, "r1652": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1653": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1654": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1655": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1656": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482665/350-30-50-2" }, "r1657": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482099/360-10-50-1" }, "r1658": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "30", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/405-30/tableOfContent" }, "r1659": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1660": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1661": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477092/405-40-50-1" }, "r1662": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479468/405-50-50-3" }, "r1663": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481850/410-20-50-1" }, "r1664": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1665": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1666": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1667": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-10" }, "r1668": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481931/410-30-50-7" }, "r1669": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482047/420-10-45-3" }, "r1670": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482017/420-10-50-1" }, "r1671": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "420", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 5.P.4.b.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479823/420-10-S99-2" }, "r1672": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/450/tableOfContent" }, "r1673": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-1" }, "r1674": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-4" }, "r1675": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-9" }, "r1676": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483076/450-20-50-9" }, "r1677": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480102/450-20-S99-1" }, "r1678": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481544/470-10-50-6" }, "r1679": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480190/470-10-S50-1" }, "r1680": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1681": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1682": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1683": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1A" }, "r1684": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480097/470-10-S99-1B" }, "r1685": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1B" }, "r1686": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1D" }, "r1687": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481139/470-20-50-1E" }, "r1688": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479806/606-10-50-5" }, "r1689": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479777/606-10-55-91" }, "r1690": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "712", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481179/712-10-25-4" }, "r1691": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "712", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481179/712-10-25-5" }, "r1692": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480535/715-20-45-3A" }, "r1693": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1694": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1695": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(10)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1696": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1697": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1698": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1699": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1700": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1701": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1702": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(8)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1703": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(9)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1704": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1705": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1706": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1707": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1708": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1709": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1710": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1711": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1712": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(8)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1713": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1714": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1715": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1716": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1717": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1718": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(A)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1719": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(C)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1720": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1721": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1722": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1723": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1724": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1725": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1726": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1727": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1728": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1729": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1730": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1731": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(h)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1732": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1733": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1734": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1735": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1736": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1737": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(k)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1738": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(n)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1739": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-1" }, "r1740": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-2" }, "r1741": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-3" }, "r1742": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-3" }, "r1743": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1744": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1745": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1746": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-5" }, "r1747": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1748": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1749": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1750": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1751": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1752": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1753": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1754": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1755": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-6" }, "r1756": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480506/715-20-50-8" }, "r1757": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480266/715-60-50-4" }, "r1758": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1759": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1760": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1761": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1762": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1763": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1764": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1765": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1766": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1767": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1768": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1769": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1770": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1771": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1772": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1773": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1774": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1775": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1776": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1777": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1778": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1779": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1780": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1781": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1782": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1783": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(v)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1784": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1785": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480429/718-10-50-2" }, "r1786": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "50", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org/718-50/tableOfContent" }, "r1787": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "720", "SubTopic": "35", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483406/720-35-50-1" }, "r1788": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12" }, "r1789": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12" }, "r1790": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-12A" }, "r1791": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-15" }, "r1792": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r1793": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-2" }, "r1794": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-22" }, "r1795": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-23" }, "r1796": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-3" }, "r1797": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-6" }, "r1798": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r1799": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482685/740-10-50-9" }, "r1800": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479360/740-10-S99-1" }, "r1801": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r1802": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r1803": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r1804": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "323", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478156/740-323-50-1A" }, "r1805": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-2" }, "r1806": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "805", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479328/805-10-50-3" }, "r1807": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "805", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479581/805-30-50-4" }, "r1808": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1A" }, "r1809": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-1B" }, "r1810": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1811": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1812": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4A" }, "r1813": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4C" }, "r1814": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4CC", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4CC" }, "r1815": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4D" }, "r1816": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4E" }, "r1817": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-7A" }, "r1818": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r1819": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r1820": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-8" }, "r1821": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "6A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480682/815-20-25-6A" }, "r1822": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480870/815-30-50-2" }, "r1823": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480175/815-40-65-1" }, "r1824": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1825": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1826": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1827": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1828": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1829": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1830": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1831": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1832": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1833": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1834": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r1835": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2E", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2E" }, "r1836": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r1837": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r1838": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-1" }, "r1839": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-10" }, "r1840": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-11" }, "r1841": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-11" }, "r1842": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r1843": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-28" }, "r1844": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481956/830-20-45-1" }, "r1845": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481926/830-20-50-1" }, "r1846": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481694/830-30-45-20" }, "r1847": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481674/830-30-50-1" }, "r1848": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483013/835-20-50-1" }, "r1849": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-1A" }, "r1850": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-2" }, "r1851": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482925/835-30-45-3" }, "r1852": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482900/835-30-50-1" }, "r1853": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-4" }, "r1854": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478964/842-20-50-6" }, "r1855": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r1856": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r1857": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-3" }, "r1858": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481404/852-10-50-7" }, "r1859": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481404/852-10-50-7" }, "r1860": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1861": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1862": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-3" }, "r1863": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1864": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1865": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147481326/860-20-50-4" }, "r1866": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "912", "SubTopic": "730", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479532/912-730-25-1" }, "r1867": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477314/942-235-S99-2" }, "r1868": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1869": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(15)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1870": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1871": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478777/944-210-S99-1" }, "r1872": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479432/944-30-50-2B" }, "r1873": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477363/944-310-50-3" }, "r1874": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477363/944-310-50-3" }, "r1875": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4B" }, "r1876": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4B" }, "r1877": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4C" }, "r1878": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4D" }, "r1879": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4G", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-4G" }, "r1880": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1881": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1882": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1883": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-5" }, "r1884": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1885": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1886": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1887": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1888": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1889": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1890": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1891": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-6" }, "r1892": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1893": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1894": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1895": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1896": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1897": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7A" }, "r1898": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7B" }, "r1899": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7B" }, "r1900": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480081/944-40-50-7B" }, "r1901": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.W.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479583/944-40-S99-1" }, "r1902": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480109/944-80-50-2" }, "r1903": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480109/944-80-50-2" }, "r1904": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478009/946-205-45-4" }, "r1905": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478795/946-210-50-6" }, "r1906": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-3" }, "r1907": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-3" }, "r1908": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479105/946-220-45-3" }, "r1909": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1910": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-1" }, "r1911": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1912": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479134/946-220-S99-3" }, "r1913": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1914": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-1" }, "r1915": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-2" }, "r1916": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-3" }, "r1917": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477271/946-320-S99-6" } } }