{ "version": "2.2", "instance": { "ldos-20260618.htm": { "nsprefix": "ldos", "nsuri": "http://www.leidos.com/20260618", "dts": { "inline": { "local": [ "ldos-20260618.htm" ] }, "schema": { "local": [ "ldos-20260618.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/2026/elts/srt-2026.xsd", "https://xbrl.fasb.org/srt/2026/elts/srt-roles-2026.xsd", "https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd", "https://xbrl.fasb.org/us-gaap/2026/ebp/elts/us-gaap-ebp-2026.xsd", "https://xbrl.fasb.org/us-gaap/2026/elts/us-gaap-2026.xsd", "https://xbrl.fasb.org/us-gaap/2026/elts/us-roles-2026.xsd", "https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.xsd", "https://xbrl.sec.gov/country/2026/country-2026.xsd", "https://xbrl.sec.gov/dei/2026/dei-2026.xsd", "https://xbrl.sec.gov/stpr/2026/stpr-2026.xsd" ] }, "calculationLink": { "local": [ "ldos-20260618_cal.xml" ] }, "definitionLink": { "local": [ "ldos-20260618_def.xml" ] }, "labelLink": { "local": [ "ldos-20260618_lab.xml" ] }, "presentationLink": { "local": [ "ldos-20260618_pre.xml" ] } }, "keyStandard": 71, "keyCustom": 16, "axisStandard": 5, "axisCustom": 0, "memberStandard": 15, "memberCustom": 3, "hidden": { "total": 4, "http://xbrl.sec.gov/dei/2026": 4 }, "contextCount": 80, "entityCount": 1, "segmentCount": 18, "elementCount": 159, "unitCount": 3, "baseTaxonomies": { "http://fasb.org/us-gaap-ebp/2026": 165, "http://xbrl.sec.gov/dei/2026": 10 }, "report": { "R1": { "role": "http://www.leidos.com/role/Cover", "longName": "0000001 - Document - Cover", "shortName": "Cover", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-2", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "dei:DocumentType", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "dei:DocumentType", "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R2": { "role": "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits", "longName": "0000002 - Statement - Statements of Net Assets Available for Benefits", "shortName": "Statements of Net Assets Available for Benefits", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "2", "firstAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R3": { "role": "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "longName": "0000003 - Statement - Statement of Changes in Net Assets Available for Benefits", "shortName": "Statement of Changes in Net Assets Available for Benefits", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "3", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R4": { "role": "http://www.leidos.com/role/DescriptionofthePlan", "longName": "0000004 - Disclosure - Description of the Plan", "shortName": "Description of the Plan", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "4", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R5": { "role": "http://www.leidos.com/role/SignificantAccountingPolicies", "longName": "0000005 - Disclosure - Significant Accounting Policies", "shortName": "Significant Accounting Policies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "5", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R6": { "role": "http://www.leidos.com/role/FairValueMeasurements", "longName": "0000006 - Disclosure - Fair Value Measurements", "shortName": "Fair Value Measurements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "6", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R7": { "role": "http://www.leidos.com/role/PlanInterestinMasterTrust", "longName": "0000007 - Disclosure - Plan Interest in Master Trust", "shortName": "Plan Interest in Master Trust", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "7", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R8": { "role": "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "longName": "0000008 - Disclosure - Fully Benefit-Responsive Investment Contracts", "shortName": "Fully Benefit-Responsive Investment Contracts", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "8", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R9": { "role": "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "longName": "0000009 - Disclosure - Reconciliation of Financial Statements to Form 5500", "shortName": "Reconciliation of Financial Statements to Form 5500", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "9", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R10": { "role": "http://www.leidos.com/role/RisksandUncertainties", "longName": "0000010 - Disclosure - Risks and Uncertainties", "shortName": "Risks and Uncertainties", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanRiskAndUncertaintyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanRiskAndUncertaintyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R11": { "role": "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "longName": "0000011 - Disclosure - Schedule H, Line 4a - Schedule of Delinquent Participant Contributions", "shortName": "Schedule H, Line 4a - Schedule of Delinquent Participant Contributions", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R12": { "role": "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "longName": "0000012 - Disclosure - Schedule H, Line 4i \u2013 Schedule of Assets (Held At End of Year)", "shortName": "Schedule H, Line 4i \u2013 Schedule of Assets (Held At End of Year)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "12", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R13": { "role": "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies", "longName": "0000013 - Disclosure - Significant Accounting Policies (Policies)", "shortName": "Significant Accounting Policies (Policies)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "policies", "menuCat": "Policies", "order": "13", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R14": { "role": "http://www.leidos.com/role/DescriptionofPlanTables", "longName": "0000014 - Disclosure - Description of Plan (Tables)", "shortName": "Description of Plan (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "14", "firstAnchor": { "contextRef": "c-1", "name": "ldos:EBPCommonStockHeldByMasterTrustTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "ldos:EBPCommonStockHeldByMasterTrustTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R15": { "role": "http://www.leidos.com/role/FairValueMeasurementsTables", "longName": "0000015 - Disclosure - Fair Value Measurements (Tables)", "shortName": "Fair Value Measurements (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "15", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R16": { "role": "http://www.leidos.com/role/PlanInterestinMasterTrustTables", "longName": "0000016 - Disclosure - Plan Interest in Master Trust (Tables)", "shortName": "Plan Interest in Master Trust (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "16", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R17": { "role": "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables", "longName": "0000017 - Disclosure - Fully Benefit-Responsive Investment Contracts (Tables)", "shortName": "Fully Benefit-Responsive Investment Contracts (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "17", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R18": { "role": "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables", "longName": "0000018 - Disclosure - Reconciliation of Financial Statements to Form 5500 (Tables)", "shortName": "Reconciliation of Financial Statements to Form 5500 (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "18", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R19": { "role": "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "longName": "0000019 - Disclosure - Description of the Plan - Narrative (Details)", "shortName": "Description of the Plan - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "19", "firstAnchor": { "contextRef": "c-2", "name": "ldos:EBPRelatedPartyAndPartyInInterestTransactionsFeesPaidToRecordkeeper", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "ldos:EBPRelatedPartyAndPartyInInterestTransactionsFeesPaidToRecordkeeper", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R20": { "role": "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "longName": "0000020 - Disclosure - Description of the Plan - Common Stock Held by the Master Trust (Details)", "shortName": "Description of the Plan - Common Stock Held by the Master Trust (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "20", "firstAnchor": { "contextRef": "c-14", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "ldos:EBPCommonStockHeldByMasterTrustTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-14", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentNumberOfShares", "unitRef": "shares", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "ldos:EBPCommonStockHeldByMasterTrustTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R21": { "role": "http://www.leidos.com/role/FairValueMeasurementsDetails", "longName": "0000021 - Disclosure - Fair Value Measurements (Details)", "shortName": "Fair Value Measurements (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "21", "firstAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-3", "name": "ldos:EBPInvestmentPlanInterestInMasterTrustFairValueExcludingStableValueFund", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R22": { "role": "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "longName": "0000022 - Disclosure - Plan Interest in Master Trust - Schedule of Master Trust Net Assets (Details)", "shortName": "Plan Interest in Master Trust - Schedule of Master Trust Net Assets (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "22", "firstAnchor": { "contextRef": "c-68", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-68", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanMasterTrustTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R23": { "role": "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "longName": "0000023 - Disclosure - Plan Interest in Master Trust - Schedule of Net Investment Gain (Details)", "shortName": "Plan Interest in Master Trust - Schedule of Net Investment Gain (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "23", "firstAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForChangeInPlanInterestInMasterTrust", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R24": { "role": "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "longName": "0000024 - Disclosure - Plan Interest in Master Trust - Narrative (Details)", "shortName": "Plan Interest in Master Trust - Narrative (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "24", "firstAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInterestInMasterTrustPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInterestInMasterTrustPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true, "unique": true } }, "R25": { "role": "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "longName": "0000025 - Disclosure - Fully Benefit-Responsive Investment Contracts (Details)", "shortName": "Fully Benefit-Responsive Investment Contracts (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "25", "firstAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-73", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTableTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R26": { "role": "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "longName": "0000026 - Disclosure - Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Assets Available for Benefit (Details)", "shortName": "Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Assets Available for Benefit (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "26", "firstAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanNetAssetAvailableForBenefit", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "ldos:EBPReconciliationToForm5500AdjustmentForAssetsRelatedToPlanMergerNotYetTransferred", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R27": { "role": "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "longName": "0000027 - Disclosure - Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Income (Details)", "shortName": "Reconciliation of Financial Statements to Form 5500 - Reconciliation of Net Income (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "27", "firstAnchor": { "contextRef": "c-1", "name": "ldos:EBPChangeInNetAssetAvailableForBenefitIncreaseAfterPlanTransfer", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "us-gaap-ebp:EmployeeBenefitPlanReconciliationToForm5500TableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R28": { "role": "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "longName": "0000028 - Disclosure - Schedule H, Line 4a - Schedule of Delinquent Participant Contributions (Details)", "shortName": "Schedule H, Line 4a - Schedule of Delinquent Participant Contributions (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "28", "firstAnchor": { "contextRef": "c-1", "name": "dei:EntityTaxIdentificationNumber", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-5", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } }, "R29": { "role": "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails", "longName": "0000029 - Disclosure - Schedule H, Line 4i \u2013 Schedule of Assets (Held At End of Year) (Details)", "shortName": "Schedule H, Line 4i \u2013 Schedule of Assets (Held At End of Year) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "29", "firstAnchor": { "contextRef": "c-1", "name": "dei:EntityTaxIdentificationNumber", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-3", "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestment", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "body", "html" ], "reportCount": 1, "baseRef": "ldos-20260618.htm", "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "AmendmentFlag", "presentation": [ "http://www.leidos.com/role/Cover" ], "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": [] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "us-gaap_DefinedBenefitPlanCommonCollectiveTrustMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "DefinedBenefitPlanCommonCollectiveTrustMember", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Collective trusts", "label": "Common Collective Trust [Member]" } } }, "auth_ref": [ "r104", "r113", "r118", "r125" ] }, "dei_DocumentInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "DocumentInformationLineItems", "presentation": [ "http://www.leidos.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Document Information [Line Items]", "label": "Document 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": [] }, "dei_DocumentInformationTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "DocumentInformationTable", "presentation": [ "http://www.leidos.com/role/Cover" ], "lang": { "en-us": { "role": { "terseLabel": "Document Information [Table]", "label": "Document Information [Table]", "documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package." } } }, "auth_ref": [] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "DocumentType", "presentation": [ "http://www.leidos.com/role/Cover" ], "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": [] }, "ldos_EBP004Member": { "xbrltype": "domainItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBP004Member", "presentation": [ "http://www.leidos.com/role/Cover", "http://www.leidos.com/role/DescriptionofPlanTables", "http://www.leidos.com/role/DescriptionofthePlan", "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/FairValueMeasurements", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FairValueMeasurementsTables", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables", "http://www.leidos.com/role/PlanInterestinMasterTrust", "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustTables", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables", "http://www.leidos.com/role/RisksandUncertainties", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails", "http://www.leidos.com/role/SignificantAccountingPolicies", "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP 004", "label": "EBP 004 [Member]", "documentation": "EBP 004" } } }, "auth_ref": [] }, "ldos_EBPChangeInNetAssetAvailableForBenefitIncreaseAfterPlanTransfer": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPChangeInNetAssetAvailableForBenefitIncreaseAfterPlanTransfer", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS AFTER TRANSFER", "verboseLabel": "Increase in net assets available for benefits per the financial statements", "label": "EBP, Change in Net Asset Available for Benefit, Increase After Plan Transfer", "documentation": "EBP, Change in Net Asset Available for Benefit, Increase After Plan Transfer" } } }, "auth_ref": [] }, "ldos_EBPCommonStockHeldByMasterTrustTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPCommonStockHeldByMasterTrustTableTextBlock", "presentation": [ "http://www.leidos.com/role/DescriptionofPlanTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Common Stock Held by Master Trust", "label": "EBP, Common Stock Held By Master Trust [Table Text Block]", "documentation": "EBP, Common Stock Held By Master Trust" } } }, "auth_ref": [] }, "ldos_EBPDistributionsToParticipantsMaximumBalanceRequired": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPDistributionsToParticipantsMaximumBalanceRequired", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum vested balance eligible for distribution", "label": "EBP, Distributions To Participants, Maximum Balance Required", "documentation": "EBP, Distributions To Participants, Maximum Balance Required" } } }, "auth_ref": [] }, "ldos_EBPDistributionsToParticipantsMinimumBalanceRequired": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPDistributionsToParticipantsMinimumBalanceRequired", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum vested balance eligible for distribution", "label": "EBP, Distributions To Participants, Minimum Balance Required", "documentation": "EBP, Distributions To Participants, Minimum Balance Required" } } }, "auth_ref": [] }, "ldos_EBPEmployerContributionVestingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPEmployerContributionVestingPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Vesting percentage", "label": "EBP, Employer Contribution Vesting Percentage", "documentation": "Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age" } } }, "auth_ref": [] }, "ldos_EBPInvestmentCost": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPInvestmentCost", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Cost Basis", "label": "EBP, Investment, Cost", "documentation": "EBP, Investment, Cost" } } }, "auth_ref": [] }, "ldos_EBPInvestmentPlanInterestInMasterTrustFairValueExcludingStableValueFund": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPInvestmentPlanInterestInMasterTrustFairValueExcludingStableValueFund", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investments at fair value", "label": "EBP, Investment, Plan Interest in Master Trust, Fair Value, Excluding Stable Value Fund", "documentation": "EBP, Investment, Plan Interest in Master Trust, Fair Value, Excluding Stable Value Fund" } } }, "auth_ref": [] }, "ldos_EBPInvoluntaryCashOutLimit": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPInvoluntaryCashOutLimit", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Involuntary cash-out limit", "label": "EBP, Involuntary Cash-out Limit", "documentation": "EBP, Involuntary Cash-out Limit" } } }, "auth_ref": [] }, "ldos_EBPNoteReceivableLiquidated": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPNoteReceivableLiquidated", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Note receivable liquidated", "label": "EBP, Note Receivable, Liquidated", "documentation": "EBP, Note Receivable, Liquidated" } } }, "auth_ref": [] }, "ldos_EBPParticipantContributionPretaxMaximumAnnualEmployeeDeferralOrRolloverPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPParticipantContributionPretaxMaximumAnnualEmployeeDeferralOrRolloverPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pretax, maximum employee deferral or rollover, percentage", "label": "EBP, Participant Contribution, Pretax, Maximum Annual Employee Deferral Or Rollover, Percentage", "documentation": "EBP, Participant Contribution, Pretax, Maximum Annual Employee Deferral Or Rollover, Percentage" } } }, "auth_ref": [] }, "ldos_EBPReceivableFromPlanMerger": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPReceivableFromPlanMerger", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Receivable from plan merger (Note 1)", "label": "EBP, Receivable From Plan Merger", "documentation": "EBP, Receivable From Plan Merger" } } }, "auth_ref": [] }, "ldos_EBPReconciliationToForm5500AdjustmentForAssetsRelatedToPlanMergerNotYetTransferred": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPReconciliationToForm5500AdjustmentForAssetsRelatedToPlanMergerNotYetTransferred", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment for assets related to plan merger not yet transferred", "label": "EBP, Reconciliation to Form 5500, Adjustment For Assets Related To Plan Merger Not Yet Transferred", "documentation": "EBP, Reconciliation to Form 5500, Adjustment For Assets Related To Plan Merger Not Yet Transferred" } } }, "auth_ref": [] }, "ldos_EBPReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseFromDeemedLoansRepaid": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseFromDeemedLoansRepaid", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Net change in deemed loans repaid", "label": "EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) From Deemed Loans Repaid", "documentation": "EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) From Deemed Loans Repaid" } } }, "auth_ref": [] }, "ldos_EBPReconciliationToForm5500NetAssetAvailableForBenefitDeemedLoansRepaid": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPReconciliationToForm5500NetAssetAvailableForBenefitDeemedLoansRepaid", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Deemed loans repaid", "label": "EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Loans Repaid", "documentation": "EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Loans Repaid" } } }, "auth_ref": [] }, "ldos_EBPRelatedPartyAndPartyInInterestTransactionsAmountPayableToRecordkeeper": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPRelatedPartyAndPartyInInterestTransactionsAmountPayableToRecordkeeper", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Amount payable to recordkeeper", "label": "EBP, Related Party And Party-In-Interest Transactions, Amount Payable To Recordkeeper", "documentation": "EBP, Related Party And Party-In-Interest Transactions, Amount Payable To Recordkeeper" } } }, "auth_ref": [] }, "ldos_EBPRelatedPartyAndPartyInInterestTransactionsFeesPaidToRecordkeeper": { "xbrltype": "monetaryItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPRelatedPartyAndPartyInInterestTransactionsFeesPaidToRecordkeeper", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fees paid to recordkeeper", "label": "EBP, Related Party And Party-In-Interest Transactions, Fees Paid To Recordkeeper", "documentation": "EBP, Related Party And Party-In-Interest Transactions, Fees Paid To Recordkeeper" } } }, "auth_ref": [] }, "ldos_EBPTraditionalAndSyntheticInvestmentContractMember": { "xbrltype": "domainItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "EBPTraditionalAndSyntheticInvestmentContractMember", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Traditional And Synthetic Investment Contract", "label": "EBP, Traditional And Synthetic Investment Contract [Member]", "documentation": "EBP, Traditional And Synthetic Investment Contract" } } }, "auth_ref": [] }, "us-gaap-ebp_EbpRiskAndUncertaintyAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpRiskAndUncertaintyAbstract", "lang": { "en-us": { "role": { "label": "EBP, Risk and Uncertainty [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EbpRiskAndUncertaintyLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpRiskAndUncertaintyLineItems", "presentation": [ "http://www.leidos.com/role/RisksandUncertainties" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Risk and Uncertainty [Line Items]", "label": "EBP, Risk and Uncertainty [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": [ "r148" ] }, "us-gaap-ebp_EbpRiskAndUncertaintyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpRiskAndUncertaintyTable", "presentation": [ "http://www.leidos.com/role/RisksandUncertainties" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Risk and Uncertainty [Table]", "label": "EBP, Risk and Uncertainty [Table]", "documentation": "Disclosure of information about risk and uncertainty of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, concentration risk." } } }, "auth_ref": [ "r148" ] }, "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAccountingPolicyAbstract", "lang": { "en-us": { "role": { "label": "EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAccountingPolicyLineItems", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPolicies", "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Accounting Policy [Line Items]", "label": "EBP, Accounting Policy [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": [ "r155", "r166" ] }, "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAccountingPolicyTable", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPolicies", "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Accounting Policy [Table]", "label": "EBP, Accounting Policy [Table]", "documentation": "Disclosure of information about accounting policy for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r155", "r166" ] }, "us-gaap-ebp_EmployeeBenefitPlanAssetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetAbstract", "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Assets", "label": "EBP, Asset [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetHeldForInvestment", "crdr": "debit", "calculation": { "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "totalLabel": "EBP, Asset Held for Investment", "label": "EBP, Asset Held for Investment", "documentation": "Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust." } } }, "auth_ref": [ "r135", "r163" ] }, "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution", "crdr": "debit", "calculation": { "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Participant loan, current value", "label": "EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution", "documentation": "Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r76", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Basis of Accounting", "label": "EBP, Basis of Accounting [Policy Text Block]", "documentation": "Disclosure of accounting policy for basis of accounting used to prepare financial statements of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r155", "r166" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "crdr": "credit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Total deductions", "label": "EBP, Change in Net Asset Available for Benefit, Decrease", "documentation": "Amount of decrease in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "DEDUCTIONS:", "label": "EBP, Change in Net Asset Available for Benefit, Decrease [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForAdministrativeExpense", "crdr": "credit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Administrative expenses", "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense", "documentation": "Amount of decrease in net asset available for benefit from administrative expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r47", "r77", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant", "crdr": "credit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Benefits paid to participants", "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant", "documentation": "Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal." } } }, "auth_ref": [ "r46", "r72", "r77", "r85", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total additions", "label": "EBP, Change in Net Asset Available for Benefit, Increase", "documentation": "Amount of increase in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseAbstract", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "ADDITIONS:", "label": "EBP, Change in Net Asset Available for Benefit, Increase [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "INCREASE IN NET ASSETS AVAILABLE FOR BENEFITS BEFORE TRANSFER", "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease)", "documentation": "Amount of increase (decrease) in net asset available for benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r0", "r77", "r126", "r169" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForChangeInPlanInterestInMasterTrust": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForChangeInPlanInterestInMasterTrust", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Net transfers out of Master Trust", "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Change in Plan Interest in Master Trust", "documentation": "Amount of increase (decrease) in net asset available for benefit from increase (decrease) in plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r42" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease", "weight": 1.0, "order": 1.0 }, "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Net appreciation in value of investments", "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment", "documentation": "Amount of increase (decrease) in net asset available for benefit from realized and unrealized gain (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r9", "r44", "r92", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "crdr": "debit", "calculation": { "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total investment income", "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment", "documentation": "Amount of increase (decrease) in net asset available for benefit from income (loss) on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, realized and unrealized gain (loss) on investment." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investment income:", "label": "EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total contributions", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Contribution", "documentation": "Amount of increase in net asset available for benefit from contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions:", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Employer", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash", "documentation": "Amount of increase in net asset available for benefit from cash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r45", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestAndDividendIncomeOnInvestment", "crdr": "debit", "calculation": { "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest income on notes receivable from participants", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment", "documentation": "Amount of increase in net asset available for benefit from interest and dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r93" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncrease", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Interest income on notes receivable from participants", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant", "documentation": "Amount of increase in net asset available for benefit from interest income on note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Participants", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover", "documentation": "Amount, excluding rollover, of increase in net asset available for benefit from contribution by participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r130", "r131", "r132", "r161", "r162" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Employee rollovers", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover", "documentation": "Amount of increase in net asset available for benefit from contribution transferred from another qualified plan or from individual retirement account of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes contribution for participant transmitted by employer of participant in EBP." } } }, "auth_ref": [ "r126", "r130", "r131", "r132", "r161", "r162" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "PLAN TO PLAN TRANSFER IN (NOTE 1)", "label": "EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan", "documentation": "Amount of net asset available for benefit transferred to (from) employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from (to) external plan." } } }, "auth_ref": [ "r48", "r126", "r152", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanAbstract", "lang": { "en-us": { "role": { "label": "EBP, Description of Plan and Accounting Change [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanLineItems", "presentation": [ "http://www.leidos.com/role/DescriptionofPlanTables", "http://www.leidos.com/role/DescriptionofthePlan", "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Description of Plan [Line Items]", "label": "EBP, Description of Plan [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": [ "r151" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanTable", "presentation": [ "http://www.leidos.com/role/DescriptionofPlanTables", "http://www.leidos.com/role/DescriptionofthePlan", "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Description of Plan [Table]", "label": "EBP, Description of Plan [Table]", "documentation": "Disclosure of information about description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r151" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanTextBlock", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlan" ], "lang": { "en-us": { "role": { "terseLabel": "Description of the Plan", "label": "EBP, Description of Plan [Text Block]", "documentation": "The entire disclosure for description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, vesting and allocation provisions and disposition of forfeiture." } } }, "auth_ref": [ "r2", "r3", "r4", "r49", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerCommonStockMember", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock", "verboseLabel": "Leidos Holdings, Inc. common stock", "label": "EBP, Employer, Common Stock [Member]", "documentation": "Common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r108", "r148", "r156", "r159", "r160", "r170", "r175", "r176" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerContributionMatchingPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Matching percentage", "label": "EBP, Employer Contribution, Matching Percentage", "documentation": "Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Participant compensation matched, percentage", "label": "EBP, Employer Contribution, Participant Compensation Matched, Percentage", "documentation": "Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanExpensePolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Administrative Expenses", "label": "EBP, Expense [Policy Text Block]", "documentation": "Disclosure of accounting policy for expense incurred by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanForfeitedNonvestedAccount", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeited nonvested account", "label": "EBP, Forfeited Nonvested Account", "documentation": "Amount of plan asset, in forfeited nonvested account, no longer allocated to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r51", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanForfeitedNonvestedAccountDecreaseForEmployerContribution", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeited nonvested account, decrease from employer contribution", "label": "EBP, Forfeited Nonvested Account, Decrease from Employer Contribution", "documentation": "Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) from employer contribution." } } }, "auth_ref": [ "r51", "r73", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanForm5500CaptionNetAssetAvailableForBenefit", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net assets reported on Schedule H on Form 5500", "label": "EBP, Form 5500 Caption, Net Assets", "documentation": "Amount of net asset available for benefit as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r126", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanForm5500CaptionNetIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanForm5500CaptionNetIncomeLoss", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net income per Schedule H on Form 5500", "label": "EBP, Form 5500 Caption, Net Income (Loss)", "documentation": "Amount of increase (decrease) in net asset available for benefit from net income (loss) as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r133", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractAbstract", "lang": { "en-us": { "role": { "label": "EBP, Fully Benefit-Responsive Investment Contract [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractLineItems", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Fully Benefit-Responsive Investment Contract [Line Items]", "label": "EBP, Fully Benefit-Responsive Investment Contract [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": [ "r80", "r89" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTable", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Fully Benefit-Responsive Investment Contract [Table]", "label": "EBP, Fully Benefit-Responsive Investment Contract [Table]", "documentation": "Disclosure of information about fully benefit-responsive investment contract held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r80", "r89", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTableTextBlock", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Fully Benefit-Responsive Investment Contract", "label": "EBP, Fully Benefit-Responsive Investment Contract [Table Text Block]", "documentation": "Tabular disclosure of fully benefit-responsive investment contract held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r171" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts" ], "lang": { "en-us": { "role": { "terseLabel": "Fully Benefit-Responsive Investment Contracts", "label": "EBP, Fully Benefit-Responsive Investment Contract [Text Block]", "documentation": "The entire disclosure for fully benefit-responsive investment contract held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r86", "r87", "r88", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanInterestInMasterTrustPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInterestInMasterTrustPercentage", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest in master trust", "label": "EBP, Interest in Master Trust, Percentage", "documentation": "Percentage of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, undivided interest in master trust." } } }, "auth_ref": [ "r95" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentContractValue", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Cost Basis", "label": "EBP, Investment, Contract Value", "documentation": "Contract value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, insurance contract meeting fully benefit-responsive investment criteria." } } }, "auth_ref": [ "r54", "r60", "r89", "r96", "r98", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairAndContractValue", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total investments", "label": "EBP, Investment, Fair and Contract Value", "documentation": "Fair and contract value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract." } } }, "auth_ref": [ "r154", "r157", "r164", "r174", "r176" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValue", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Fair Value", "terseLabel": "Investments at fair value", "label": "EBP, Investment, Fair Value", "documentation": "Fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria." } } }, "auth_ref": [ "r8", "r10", "r11", "r18", "r19", "r21", "r22", "r29", "r30", "r32", "r54", "r55", "r56", "r57", "r58", "r59", "r60", "r80", "r90", "r96", "r97", "r98", "r116", "r117", "r119", "r120", "r121", "r122", "r123", "r124", "r127", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAbstract", "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investments:", "label": "EBP, Investment, Fair Value [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavAbstract", "lang": { "en-us": { "role": { "label": "EBP, Investment, Fair Value and NAV [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavLineItems", "presentation": [ "http://www.leidos.com/role/FairValueMeasurements", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Investment, Fair Value and NAV [Line Items]", "label": "EBP, Investment, Fair Value and NAV [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": [ "r23", "r24", "r25", "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r52", "r70", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110", "r111" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTable", "presentation": [ "http://www.leidos.com/role/FairValueMeasurements", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Investment, Fair Value and NAV [Table]", "label": "EBP, Investment, Fair Value and NAV [Table]", "documentation": "Disclosure of information about fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)." } } }, "auth_ref": [ "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r52", "r70", "r83", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110", "r111" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurments", "label": "EBP, Investment, Fair Value and NAV [Table Text Block]", "documentation": "Tabular disclosure of fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)." } } }, "auth_ref": [ "r20", "r28", "r30", "r31", "r39", "r126", "r167", "r168", "r172" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "presentation": [ "http://www.leidos.com/role/FairValueMeasurements" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurements", "label": "EBP, Investment, Fair Value and NAV [Text Block]", "documentation": "The entire disclosure for fair value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, fair value measured at net asset value per share as practical expedient (NAV)." } } }, "auth_ref": [ "r23", "r25", "r26", "r29", "r30", "r32", "r35", "r36", "r37", "r38", "r52", "r70", "r71", "r80", "r81", "r126", "r129" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentNumberOfShares", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of Shares (in shares)", "label": "EBP, Investment, Number of Shares", "documentation": "Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r53", "r76", "r138", "r142", "r143", "r144", "r146" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustContractValue", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investment in Leidos, Inc. Master Trust at contract value", "netLabel": "Total", "label": "EBP, Investment, Plan Interest in Master Trust, Contract Value", "documentation": "Contract value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including but not limited to, insurance contract meeting fully-benefit responsive investment criteria." } } }, "auth_ref": [ "r42", "r54", "r60", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total investments", "label": "EBP, Investment, Plan Interest in Master Trust, Fair and Contract Value", "documentation": "Fair and contract value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r150", "r157", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairValue", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanInvestmentPlanInterestInMasterTrustFairAndContractValue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investments at fair value", "label": "EBP, Investment, Plan Interest in Master Trust, Fair Value", "documentation": "Fair value of plan interest in master trust held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r42", "r60", "r127", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentPolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Investment Valuation and Income Recognition", "label": "EBP, Investment [Policy Text Block]", "documentation": "Disclosure of accounting policy for investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r79", "r83", "r84", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanMasterTrustAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanMasterTrustAbstract", "lang": { "en-us": { "role": { "label": "EBP, Master Trust [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanMasterTrustLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanMasterTrustLineItems", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrust", "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Master Trust [Line Items]", "label": "EBP, Master Trust [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": [ "r21", "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r92", "r93", "r96", "r98", "r99", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanMasterTrustTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanMasterTrustTable", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrust", "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustTables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Master Trust [Table]", "label": "EBP, Master Trust [Table]", "documentation": "Disclosure of information about master trust arrangement in which employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) participates." } } }, "auth_ref": [ "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r92", "r93", "r96", "r98", "r99", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanMasterTrustTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanMasterTrustTableTextBlock", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Master Trust Net Assets", "label": "EBP, Master Trust [Table Text Block]", "documentation": "Tabular disclosure of master trust arrangement in which employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) participates." } } }, "auth_ref": [ "r20", "r28", "r30", "r127", "r173", "r174", "r176", "r177" ] }, "us-gaap-ebp_EmployeeBenefitPlanMasterTrustTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanMasterTrustTextBlock", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrust" ], "lang": { "en-us": { "role": { "terseLabel": "Plan\u2019s Interest in Master Trust", "label": "EBP, Master Trust [Text Block]", "documentation": "The entire disclosure for master trust arrangement in which employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) participates." } } }, "auth_ref": [ "r23", "r25", "r26", "r27", "r29", "r30", "r32", "r35", "r36", "r37", "r38", "r91", "r94", "r96", "r98", "r99", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNetAssetAvailableForBenefit", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "NET ASSETS AVAILABLE FOR BENEFITS", "periodStartLabel": "Net assets available for benefits at beginning of year", "periodEndLabel": "Net assets available for benefits at end of year", "terseLabel": "Net assets available for benefits as reported in financial statements", "label": "EBP, Net Asset Available for Benefit", "documentation": "Amount of asset less liability available to pay benefit of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, aggregation of participants' individual account balances." } } }, "auth_ref": [ "r1", "r43", "r65", "r74", "r75", "r82", "r100", "r126", "r127", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustAxis", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis]", "label": "EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Axis]", "documentation": "Information by master trust and plan interest in master trust for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) reported in note to financial statement. Excludes plan interest in master trust information reported in statement of net asset available for benefit and statement of change in net asset available for benefit." } } }, "auth_ref": [ "r21", "r22", "r23", "r24", "r25", "r29", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r92", "r93", "r96", "r98", "r99", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNonconsolidatedMasterTrustAndPlanInterestInMasterTrustDomain", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain]", "label": "EBP, Nonconsolidated, Master Trust and Plan Interest in Master Trust [Domain]", "documentation": "Master trust and plan interest in master trust for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) reported in note to financial statement. Excludes plan interest in master trust information reported in statement of net asset available for benefit and statement of change in net asset available for benefit." } } }, "auth_ref": [ "r21", "r22", "r23", "r24", "r25", "r29", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r92", "r93", "r96", "r98", "r99", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedMasterTrustMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNonconsolidatedMasterTrustMember", "presentation": [ "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Master Trust", "label": "EBP, Nonconsolidated, Master Trust [Member]", "documentation": "Master trust in which employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) participates that is reported in note to financial statement. Excludes plan interest in master trust information reported in statement of net asset available for benefit and statement of change in net asset available for benefit." } } }, "auth_ref": [ "r21", "r22", "r23", "r24", "r25", "r29", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r92", "r93", "r96", "r99", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNonconsolidatedPlanInterestInMasterTrustMember", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Interest", "label": "EBP, Nonconsolidated, Plan Interest in Master Trust [Member]", "documentation": "Plan interest in master trust for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) that is reported in note to financial statement. Excludes plan interest in master trust information reported in statement of net asset available for benefit and statement of change in net asset available for benefit." } } }, "auth_ref": [ "r29", "r98", "r99", "r127" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipant", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Notes receivable from participants", "label": "EBP, Note Receivable from Participant", "documentation": "Amount of unpaid principal plus accrued but unpaid interest for loan from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r78", "r126", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum borrowing, amount", "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount", "documentation": "Amount of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum borrowing, to total account, percentage", "label": "EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage", "documentation": "Percentage of maximum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow to total participant account balance." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Notes Receivable from Participants", "label": "EBP, Note Receivable from Participant [Policy Text Block]", "documentation": "Disclosure of accounting policy for note receivable from participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanOtherReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanOtherReceivable", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "EBP, Other Receivable", "documentation": "Amount of receivable for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), classified as other." } } }, "auth_ref": [ "r158" ] }, "us-gaap-ebp_EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanParticipantContributionPretaxMaximumAnnualCompensationToTotalCompensationPercentage", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pretax, maximum annual compensation to total compensation, percentage", "label": "EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage", "documentation": "Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanParticipantLoanInterestRate", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Participant loan, interest rate", "label": "EBP, Asset Held for Investment, Participant Loan, Interest Rate", "documentation": "Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r76", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanPlanNumber": { "xbrltype": "threeDigitItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanPlanNumber", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Plan number", "label": "EBP, Plan Number", "documentation": "Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format." } } }, "auth_ref": [ "r135", "r141", "r143", "r144", "r145", "r147", "r163", "r164", "r165" ] }, "us-gaap-ebp_EmployeeBenefitPlanPooledSeparateAccountMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanPooledSeparateAccountMember", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Separately managed account", "label": "EBP, Pooled Separate Account [Member]", "documentation": "Separate account in which employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) participates." } } }, "auth_ref": [ "r105", "r113", "r119", "r125" ] }, "us-gaap-ebp_EmployeeBenefitPlanReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReceivable", "crdr": "debit", "calculation": { "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total receivables", "label": "EBP, Receivable", "documentation": "Amount of receivable of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126", "r164" ] }, "us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReceivableAbstract", "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Receivables:", "label": "EBP, Receivable [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Abstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500Abstract", "lang": { "en-us": { "role": { "label": "EBP, Reconciliation of Financial Statement to Form 5500 [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForContractValueToCurrentValue", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment for change in plan merger assets not transferred at year end", "label": "EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Contract Value to Current Value", "documentation": "Amount of increase (decrease) in net asset available for benefit from current value in excess of (less than) contract value of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile change in net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r133", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForDeemedDistribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500ChangeInNetAssetAvailableForBenefitIncreaseDecreaseForDeemedDistribution", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Net change in participant loans deemed distributed", "label": "EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Increase (Decrease) from Deemed Distribution", "documentation": "Amount of increase (decrease) in net asset available for benefit from deemed distribution to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile change in net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r133", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500LineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500LineItems", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Reconciliation of Financial Statement to Form 5500 [Line Items]", "label": "EBP, Reconciliation of Financial Statement to Form 5500 [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": [ "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitDeemedDistribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500NetAssetAvailableForBenefitDeemedDistribution", "crdr": "credit", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Participant loans deemed distributed", "label": "EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Deemed Distribution", "documentation": "Amount of deemed distribution to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r133", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500Table": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500Table", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Reconciliation of Financial Statement to Form 5500 [Table]", "label": "EBP, Reconciliation of Financial Statement to Form 5500 [Table]", "documentation": "Disclosure of information about reconciliation of financial statement to Form 5500 for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500TableTextBlock", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Reconciliation of Financial Statement to Form 5500", "label": "EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block]", "documentation": "Tabular disclosure of reconciliation of financial statement to Form 5500 for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanReconciliationToForm5500TextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReconciliationToForm5500TextBlock", "presentation": [ "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500" ], "lang": { "en-us": { "role": { "terseLabel": "Reconciliation of Financial Statements to Form 5500", "label": "EBP, Reconciliation of Financial Statement to Form 5500 [Text Block]", "documentation": "The entire disclosure for reconciliation of financial statement to Form 5500 for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC)." } } }, "auth_ref": [ "r50", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanRiskAndUncertaintyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanRiskAndUncertaintyTextBlock", "presentation": [ "http://www.leidos.com/role/RisksandUncertainties" ], "lang": { "en-us": { "role": { "terseLabel": "Risks and Uncertainties", "label": "EBP, Risk and Uncertainty [Text Block]", "documentation": "The entire disclosure for risk and uncertainty of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, concentration risk." } } }, "auth_ref": [ "r5", "r6", "r7", "r40", "r41", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentAbstract", "lang": { "en-us": { "role": { "label": "EBP, Schedule of Asset Held for Investment [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentLineItems", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Schedule of Asset Held for Investment [Line Items]", "label": "EBP, Schedule of Asset Held for Investment [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": [ "r76", "r137", "r138", "r139", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Schedule of Asset Held for Investment [Table]", "label": "EBP, Schedule of Asset Held for Investment [Table]", "documentation": "Disclosure of information about schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r76", "r137", "r138", "r139", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule H, Line 4i \u2013 Schedule of Assets (Held At End of Year)", "label": "EBP, Schedule of Asset Held for Investment [Text Block]", "documentation": "The entire disclosure for schedule of asset held for investment for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r136", "r163" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionAbstract", "lang": { "en-us": { "role": { "label": "EBP, Schedule of Delinquent Participant Contribution [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrected", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Fully Corrected Under Voluntary Fiduciary Correction Program (VFCP) and Prohibited Transition Exemption 2002-51", "label": "EBP, Schedule of Delinquent Participant Contribution, Corrected", "documentation": "Amount of delinquent participant contribution corrected under Voluntary Fiduciary Correction Program (VFCP) and Prohibited Transaction Exemption (PTE) 2002-51 for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionCorrectedOutsideVfcp", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions Corrected Outside VFCP", "label": "EBP, Schedule of Delinquent Participant Contribution, Corrected Outside VFCP", "documentation": "Amount of delinquent participant contribution corrected outside Voluntary Fiduciary Correction Program (VFCP) for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionLineItems", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Schedule of Delinquent Participant Contribution [Line Items]", "label": "EBP, Schedule of Delinquent Participant Contribution [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": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionNotCorrected", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions Not Corrected", "label": "EBP, Schedule of Delinquent Participant Contribution, Not Corrected", "documentation": "Amount of delinquent participant contribution not corrected for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionPendingCorrectionInVfcp", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions Pending Correction in VFCP", "label": "EBP, Schedule of Delinquent Participant Contribution, Pending Correction in VFCP", "documentation": "Amount of delinquent participant contribution pending correction in Voluntary Fiduciary Correction Program (VFCP) for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTable", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Schedule of Delinquent Participant Contribution [Table]", "label": "EBP, Schedule of Delinquent Participant Contribution [Table]", "documentation": "Disclosure of information about delinquent participant contribution for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTableTextBlock", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule H, Line 4a - Schedule of Delinquent Participant Contributions", "label": "EBP, Schedule of Delinquent Participant Contribution [Text Block]", "documentation": "The entire disclosure for schedule of delinquent participant contribution for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfDelinquentParticipantContributionTransferredLateToPlan", "crdr": "debit", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Participant Contributions Transferred Late to the Plan (Participant Loan Repayments are Included)", "label": "EBP, Schedule of Delinquent Participant Contribution, Transferred Late to Plan", "documentation": "Amount of delinquent participant contribution transferred late to employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r134" ] }, "us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSelfDirectedBrokerageAccountMember", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Self-directed brokerage fund", "label": "EBP, Self-Directed Brokerage Account [Member]", "documentation": "Investment fund option allowing participant to select investment outside core option offered by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r111", "r113", "r124", "r125", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitAbstract", "lang": { "en-us": { "role": { "label": "EBP, Statement of Change in Net Asset Available for Benefit [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitLineItems", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Change in Net Asset Available for Benefit [Line Items]", "label": "EBP, Statement of Change in Net Asset Available for Benefit [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": [ "r67", "r68", "r69", "r82" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable", "presentation": [ "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Change in Net Asset Available for Benefit [Table]", "label": "EBP, Statement of Change in Net Asset Available for Benefit [Table]", "documentation": "Presentation of information about change in net asset available for benefit for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r67", "r68", "r69", "r82" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitAbstract", "lang": { "en-us": { "role": { "label": "EBP, Statement of Net Asset Available for Benefit [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitLineItems", "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Net Asset Available for Benefit [Line Items]", "label": "EBP, Statement of Net Asset Available for Benefit [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": [ "r55", "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", "r64", "r80", "r82", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110", "r111" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable", "presentation": [ "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Net Asset Available for Benefit [Table]", "label": "EBP, Statement of Net Asset Available for Benefit [Table]", "documentation": "Presentation of information about net asset available for benefit for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r55", "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", "r64", "r80", "r82", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110" ] }, "us-gaap-ebp_EmployeeBenefitPlanSubsequentEventPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSubsequentEventPolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Events", "label": "EBP, Subsequent Event [Policy Text Block]", "documentation": "Disclosure of accounting policy for reporting subsequent event in financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "presentation": [ "http://www.leidos.com/role/SignificantAccountingPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Significant Accounting Policies", "label": "EBP, Summary of Accounting Policy [Text Block]", "documentation": "The entire disclosure for summary of accounting policy used to prepare financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r2", "r3", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanSyntheticInvestmentContractMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSyntheticInvestmentContractMember", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Synthetic GICs", "label": "EBP, Synthetic Investment Contract [Member]", "documentation": "Contract, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), simulating performance of traditional guaranteed investment contract through use of financial instrument." } } }, "auth_ref": [ "r113", "r114", "r115", "r125", "r126" ] }, "us-gaap-ebp_EmployeeBenefitPlanTraditionalGuaranteedInvestmentContractMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanTraditionalGuaranteedInvestmentContractMember", "presentation": [ "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Traditional Investment Contracts", "label": "EBP, Traditional Guaranteed Investment Contract [Member]", "documentation": "Contract between insurance entity and employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) providing guaranteed return on principal invested over specified period of time." } } }, "auth_ref": [ "r113", "r114", "r115", "r125", "r126" ] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.leidos.com/role/Cover" ], "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": [ "r128" ] }, "dei_EntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityDomain", "presentation": [ "http://www.leidos.com/role/Cover", "http://www.leidos.com/role/DescriptionofPlanTables", "http://www.leidos.com/role/DescriptionofthePlan", "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/FairValueMeasurements", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FairValueMeasurementsTables", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables", "http://www.leidos.com/role/PlanInterestinMasterTrust", "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustTables", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables", "http://www.leidos.com/role/RisksandUncertainties", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails", "http://www.leidos.com/role/SignificantAccountingPolicies", "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Entity [Domain]", "label": "Entity [Domain]", "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityRegistrantName", "presentation": [ "http://www.leidos.com/role/Cover" ], "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": [ "r128" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "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": [ "r128" ] }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueByFairValueHierarchyLevelAxis", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy and NAV [Axis]", "label": "Fair Value Hierarchy and NAV [Axis]" } } }, "auth_ref": [ "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r81", "r126" ] }, "us-gaap_FairValueInputsLevel12And3Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel12And3Member", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Inputs, Level 1, Level 2, and Level 3", "label": "Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member]" } } }, "auth_ref": [ "r149", "r168", "r170" ] }, "us-gaap_FairValueInputsLevel1Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel1Member", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 1", "label": "Fair Value, Inputs, Level 1 [Member]" } } }, "auth_ref": [ "r22", "r29", "r112", "r126" ] }, "us-gaap_FairValueInputsLevel2Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel2Member", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 2", "label": "Fair Value, Inputs, Level 2 [Member]" } } }, "auth_ref": [ "r22", "r23", "r29", "r112", "r126" ] }, "us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueMeasuredAtNetAssetValuePerShareMember", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "NAV", "label": "Fair Value Measured at Net Asset Value Per Share [Member]" } } }, "auth_ref": [ "r32", "r112" ] }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueMeasurementsFairValueHierarchyDomain", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy and NAV [Domain]", "label": "Fair Value Hierarchy and NAV [Domain]" } } }, "auth_ref": [ "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r81", "r126" ] }, "us-gaap_InvestmentTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "InvestmentTypeAxis", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investment Type [Axis]", "label": "Investment Type [Axis]" } } }, "auth_ref": [ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r21", "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r52", "r55", "r56", "r57", "r58", "r59", "r60", "r66", "r67", "r68", "r69", "r70", "r76", "r80", "r89", "r96", "r98", "r101", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110", "r111", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r126", "r127", "r140", "r148", "r164" ] }, "us-gaap_InvestmentTypeCategorizationMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "InvestmentTypeCategorizationMember", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investments [Domain]", "label": "Investments [Domain]" } } }, "auth_ref": [ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r21", "r22", "r23", "r24", "r25", "r29", "r30", "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r52", "r55", "r56", "r57", "r58", "r59", "r60", "r66", "r67", "r68", "r69", "r70", "r76", "r80", "r89", "r96", "r98", "r101", "r102", "r103", "r104", "r105", "r106", "r107", "r108", "r109", "r110", "r111", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r126", "r127", "r140", "r148", "r164" ] }, "dei_LegalEntityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "LegalEntityAxis", "presentation": [ "http://www.leidos.com/role/Cover", "http://www.leidos.com/role/DescriptionofPlanTables", "http://www.leidos.com/role/DescriptionofthePlan", "http://www.leidos.com/role/DescriptionofthePlanCommonStockHeldbytheMasterTrustDetails", "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/FairValueMeasurements", "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/FairValueMeasurementsTables", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContracts", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsDetails", "http://www.leidos.com/role/FullyBenefitResponsiveInvestmentContractsTables", "http://www.leidos.com/role/PlanInterestinMasterTrust", "http://www.leidos.com/role/PlanInterestinMasterTrustNarrativeDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofNetInvestmentGainDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustTables", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetAssetsAvailableforBenefitDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500ReconciliationofNetIncomeDetails", "http://www.leidos.com/role/ReconciliationofFinancialStatementstoForm5500Tables", "http://www.leidos.com/role/RisksandUncertainties", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributions", "http://www.leidos.com/role/ScheduleHLine4aScheduleofDelinquentParticipantContributionsDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYear", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails", "http://www.leidos.com/role/SignificantAccountingPolicies", "http://www.leidos.com/role/SignificantAccountingPoliciesPolicies", "http://www.leidos.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.leidos.com/role/StatementsofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Legal Entity [Axis]", "label": "Legal Entity [Axis]", "documentation": "The set of legal entities associated with a report." } } }, "auth_ref": [] }, "srt_MaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "MaximumMember", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum", "label": "Maximum [Member]" } } }, "auth_ref": [ "r25", "r126", "r140", "r163" ] }, "srt_MinimumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "MinimumMember", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum", "label": "Minimum [Member]" } } }, "auth_ref": [ "r25", "r126", "r140", "r163" ] }, "us-gaap_MutualFundMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "MutualFundMember", "presentation": [ "http://www.leidos.com/role/FairValueMeasurementsDetails", "http://www.leidos.com/role/PlanInterestinMasterTrustScheduleofMasterTrustNetAssetsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Mutual funds", "label": "Mutual Fund [Member]" } } }, "auth_ref": [ "r102", "r113", "r116", "r125", "r126", "r127" ] }, "ldos_NotesReceivableFromParticipantsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.leidos.com/20260618", "localname": "NotesReceivableFromParticipantsMember", "presentation": [ "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Notes Receivable from Participants", "label": "Notes Receivable From Participants [Member]", "documentation": "Notes Receivable From Participants" } } }, "auth_ref": [] }, "srt_RangeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "RangeAxis", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Axis]", "label": "Statistical Measurement [Axis]" } } }, "auth_ref": [ "r25", "r126", "r140", "r163" ] }, "srt_RangeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "RangeMember", "presentation": [ "http://www.leidos.com/role/DescriptionofthePlanNarrativeDetails", "http://www.leidos.com/role/ScheduleHLine4iScheduleofAssetsHeldAtEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Domain]", "label": "Statistical Measurement [Domain]" } } }, "auth_ref": [ "r25", "r126", "r140", "r163" ] }, "us-gaap_TextBlockAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "TextBlockAbstract", "lang": { "en-us": { "role": { "label": "Text Block [Abstract]" } } }, "auth_ref": [] } } } }, "std_ref": { "r0": { "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" }, "r1": { "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" }, "r2": { "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" }, "r3": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SAB Topic 11.M)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480530/250-10-S99-6" }, "r4": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1" }, "r5": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1" }, "r6": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-2A" }, "r7": { "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" }, "r8": { "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" }, "r9": { "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" }, "r10": { "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" }, "r11": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4B" }, "r12": { "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" }, "r13": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r14": { "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" }, "r15": { "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" }, "r16": { "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" }, "r17": { "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" }, "r18": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4K" }, "r19": { "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" }, "r20": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r21": { "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" }, "r22": { "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" }, "r23": { "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" }, "r24": { "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" }, "r25": { "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" }, "r26": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r27": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-2" }, "r28": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-3" }, "r29": { "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" }, "r30": { "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" }, "r31": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r32": { "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" }, "r33": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r34": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r35": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r36": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r37": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r38": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-6A" }, "r39": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482106/820-10-50-8" }, "r40": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-20" }, "r41": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21" }, "r42": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-10" }, "r43": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2" }, "r44": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r45": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r46": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r47": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r48": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-8" }, "r49": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r50": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r51": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r52": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-02(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r53": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-02(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r54": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-02(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r55": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r56": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r57": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(2)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r58": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(2)(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r59": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r60": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r61": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(6)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r62": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(6)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r63": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(7)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r64": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(7)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r65": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r66": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(1)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r67": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(2)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r68": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(2)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r69": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(2)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r70": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(2)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r71": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r72": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(5)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r73": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(5)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r74": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r75": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r76": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule I))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r77": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule III))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r78": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478642/962-310-45-2" }, "r79": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478844/962-325-35-1B" }, "r80": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r81": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6" }, "r82": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8" }, "r83": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1" }, "r84": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2A" }, "r85": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B" }, "r86": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r87": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r88": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r89": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r90": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-5" }, "r91": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7" }, "r92": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7" }, "r93": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7" }, "r94": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8" }, "r95": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8" }, "r96": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r97": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r98": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B" }, "r99": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8C" }, "r100": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479750/962-40-25-1" }, "r101": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4L", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147480434/815-10-50-4L" }, "r102": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r103": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r104": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r105": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r106": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r107": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r108": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r109": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r110": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r111": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(k)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r112": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6" }, "r113": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1" }, "r114": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r115": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r116": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r117": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r118": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r119": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r120": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r121": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r122": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r123": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r124": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(j)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r125": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B" }, "r126": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-17" }, "r127": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "18", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478873/962-325-55-18" }, "r128": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r129": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "23", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-23" }, "r130": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r131": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule III))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r132": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-2B" }, "r133": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "1", "Paragraph": "b", "Subparagraph": "(3)", "Publisher": "DOL-EBSA" }, "r134": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "a", "Publisher": "DOL-EBSA" }, "r135": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)", "Publisher": "DOL-EBSA" }, "r136": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)(i)", "Publisher": "DOL-EBSA" }, "r137": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)(i)(A)", "Publisher": "DOL-EBSA" }, "r138": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)(i)(B)", "Publisher": "DOL-EBSA" }, "r139": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)(i)(C)", "Publisher": "DOL-EBSA" }, "r140": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(1)(i)(D)", "Publisher": "DOL-EBSA" }, "r141": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(2)", "Publisher": "DOL-EBSA" }, "r142": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(2)(i)(B)", "Publisher": "DOL-EBSA" }, "r143": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(3)", "Publisher": "DOL-EBSA" }, "r144": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "10", "Paragraph": "b", "Subparagraph": "(4)", "Publisher": "DOL-EBSA" }, "r145": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "6", "Paragraph": "d", "Subparagraph": "(1)", "Publisher": "DOL-EBSA" }, "r146": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "6", "Paragraph": "d", "Subparagraph": "(1)(ii)", "Publisher": "DOL-EBSA" }, "r147": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Employee Retirement Income Security Act of 1974", "Number": "2520", "Section": "103", "Subsection": "6", "Paragraph": "d", "Subparagraph": "(2)", "Publisher": "DOL-EBSA" }, "r148": { "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" }, "r149": { "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" }, "r150": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-10" }, "r151": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r152": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r153": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r154": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-02(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r155": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-02)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r156": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r157": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r158": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-03(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r159": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(1)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r160": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(2)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r161": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(4)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r162": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-04(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r163": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule I))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r164": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule II))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r165": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6A-05(a)(Schedule III))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r166": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479143/962-235-S50-1" }, "r167": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-5" }, "r168": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-6" }, "r169": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477509/962-325-45-8" }, "r170": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-1" }, "r171": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r172": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-3" }, "r173": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-7" }, "r174": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r175": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8A", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8A" }, "r176": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8B", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8B" }, "r177": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8C", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8C" } } }