{ "version": "2.2", "instance": { "trv-20260610.htm": { "nsprefix": "trv", "nsuri": "http://www.travelers.com/20260610", "dts": { "inline": { "local": [ "trv-20260610.htm" ] }, "schema": { "local": [ "trv-20260610.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": [ "trv-20260610_cal.xml" ] }, "definitionLink": { "local": [ "trv-20260610_def.xml" ] }, "labelLink": { "local": [ "trv-20260610_lab.xml" ] }, "presentationLink": { "local": [ "trv-20260610_pre.xml" ] } }, "keyStandard": 63, "keyCustom": 20, "axisStandard": 6, "axisCustom": 1, "memberStandard": 13, "memberCustom": 7, "hidden": { "total": 4, "http://xbrl.sec.gov/dei/2026": 4 }, "contextCount": 149, "entityCount": 1, "segmentCount": 20, "elementCount": 160, "unitCount": 6, "baseTaxonomies": { "http://fasb.org/us-gaap-ebp/2026": 302, "http://xbrl.sec.gov/dei/2026": 8 }, "report": { "R1": { "role": "http://www.travelers.com/role/Cover", "longName": "0000001 - Document - Cover", "shortName": "Cover", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-1", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R2": { "role": "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits", "longName": "0000002 - Statement - Statement of Net Assets Available for Benefits", "shortName": "Statement of Net Assets Available for Benefits", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "2", "firstAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairAndContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "unique": true } }, "R3": { "role": "http://www.travelers.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-2", "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": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "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": "trv-20260610.htm", "first": true, "unique": true } }, "R4": { "role": "http://www.travelers.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-2", "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanDescriptionOfPlanTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R5": { "role": "http://www.travelers.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-2", "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R6": { "role": "http://www.travelers.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-2", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R7": { "role": "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "longName": "0000007 - Disclosure - Fully Benefit-Responsive Investment Contracts With Financial Institutions", "shortName": "Fully Benefit-Responsive Investment Contracts With Financial Institutions", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "7", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R8": { "role": "http://www.travelers.com/role/PartyInInterestTransactions", "longName": "0000008 - Disclosure - Party-In-Interest Transactions", "shortName": "Party-In-Interest Transactions", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "8", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R9": { "role": "http://www.travelers.com/role/PlanTermination", "longName": "0000009 - Disclosure - Plan Termination", "shortName": "Plan Termination", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "9", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanPlanTerminationTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R10": { "role": "http://www.travelers.com/role/TaxStatus", "longName": "0000010 - Disclosure - Tax Status", "shortName": "Tax Status", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanTaxStatusTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R11": { "role": "http://www.travelers.com/role/SubsequentEvents", "longName": "0000011 - Disclosure - Subsequent Events", "shortName": "Subsequent Events", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanSubsequentEventTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanSubsequentEventTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R12": { "role": "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "longName": "0000012 - Disclosure - Schedule H, Line 4i\u2014Schedule of Assets (Held at End of Year)", "shortName": "Schedule H, Line 4i\u2014Schedule of Assets (Held at End of Year)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "12", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R13": { "role": "http://www.travelers.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-2", "name": "us-gaap-ebp:EmployeeBenefitPlanContributionPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanContributionPolicyTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R14": { "role": "http://www.travelers.com/role/FairValueMeasurementsTable", "longName": "0000014 - Disclosure - Fair Value Measurements (Table)", "shortName": "Fair Value Measurements (Table)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "14", "firstAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R15": { "role": "http://www.travelers.com/role/DescriptionofthePlanDetails", "longName": "0000015 - Disclosure - Description of the Plan (Details)", "shortName": "Description of the Plan (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "15", "firstAnchor": { "contextRef": "c-2", "name": "trv:EBPParticipantContributionMaximumContributionToEligibleCompensationPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "us-gaap-ebp:EmployeeBenefitPlanContributionPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-2", "name": "trv:EBPParticipantContributionMaximumContributionToEligibleCompensationPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "span", "div", "us-gaap-ebp:EmployeeBenefitPlanContributionPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R16": { "role": "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "longName": "0000016 - Disclosure - Significant Accounting Policies (Details)", "shortName": "Significant Accounting Policies (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "16", "firstAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "us-gaap-ebp:EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage", "span", "div", "us-gaap-ebp:EbpRiskAndUncertaintyPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage", "unitRef": "number", "xsiNil": "false", "lang": "en-US", "decimals": "2", "ancestors": [ "us-gaap-ebp:EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage", "span", "div", "us-gaap-ebp:EbpRiskAndUncertaintyPolicyTextBlock", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } }, "R17": { "role": "http://www.travelers.com/role/FairValueMeasurementsDetails", "longName": "0000017 - Disclosure - Fair Value Measurements (Details)", "shortName": "Fair Value Measurements (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "17", "firstAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-39", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "unique": true } }, "R18": { "role": "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "longName": "0000018 - Disclosure - Fully Benefit-Responsive Investment Contracts With Financial Institutions (Details)", "shortName": "Fully Benefit-Responsive Investment Contracts With Financial Institutions (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "18", "firstAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "-3", "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true }, "uniqueAnchor": { "contextRef": "c-60", "name": "us-gaap-ebp:EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustContractValue", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "unique": true } }, "R19": { "role": "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "longName": "0000019 - Disclosure - Schedule H, Line 4i\u2014Schedule of Assets (Held at End of Year) (Details)", "shortName": "Schedule H, Line 4i\u2014Schedule of Assets (Held at End of Year) (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "19", "firstAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "c-13", "name": "us-gaap-ebp:EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution", "unitRef": "usd", "xsiNil": "false", "lang": "en-US", "decimals": "0", "ancestors": [ "span", "td", "tr", "table", "div", "ix:continuation", "body", "html" ], "reportCount": 1, "baseRef": "trv-20260610.htm", "first": true, "unique": true } } }, "tag": { "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "AmendmentFlag", "presentation": [ "http://www.travelers.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.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Collective/common trust funds [Member]", "label": "Common Collective Trust [Member]" } } }, "auth_ref": [ "r117", "r126", "r131", "r138" ] }, "dei_DocumentInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "DocumentInformationLineItems", "presentation": [ "http://www.travelers.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.travelers.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.travelers.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": [] }, "trv_EBP002Member": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBP002Member", "presentation": [ "http://www.travelers.com/role/Cover", "http://www.travelers.com/role/DescriptionofthePlan", "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/FairValueMeasurements", "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FairValueMeasurementsTable", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/PartyInInterestTransactions", "http://www.travelers.com/role/PlanTermination", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/SignificantAccountingPolicies", "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies", "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits", "http://www.travelers.com/role/SubsequentEvents", "http://www.travelers.com/role/TaxStatus" ], "lang": { "en-us": { "role": { "terseLabel": "EBP 002 [Member]", "label": "EBP 002 [Member]", "documentation": "The Travelers 401k Savings Plan" } } }, "auth_ref": [] }, "trv_EBPAutomaticLumpSumDistributionMaximumAccountBalance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPAutomaticLumpSumDistributionMaximumAccountBalance", "crdr": "credit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum balance for automatic lump-sum distribution", "label": "EBP, Automatic Lump Sum Distribution, Maximum Account Balance", "documentation": "Maximum account balance amount to trigger automatic lump-sum payment upon participant termination of employment, retirement, or death." } } }, "auth_ref": [] }, "trv_EBPChangeInNetAssetAvailableForBenefitDecreaseFromEmployerCommonStockDistributedAtFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPChangeInNetAssetAvailableForBenefitDecreaseFromEmployerCommonStockDistributedAtFairValue", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock distributed at fair value", "label": "EBP, Change in Net Asset Available for Benefit, Decrease from Employer Common Stock Distributed at Fair Value", "documentation": "Value of in-kind distributions of the Company's common stock from participant accounts during the plan year." } } }, "auth_ref": [] }, "trv_EBPEmployerContributionAndRelatedEarningsVestingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionAndRelatedEarningsVestingPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Vesting percentage of employer contributions and related earnings", "label": "EBP, Employer Contribution And Related Earnings, Vesting Percentage", "documentation": "The percentage of employer contributions and related earnings in which the employee is vested." } } }, "auth_ref": [] }, "trv_EBPEmployerContributionAndRelatedEarningsVestingServicePeriod": { "xbrltype": "durationItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionAndRelatedEarningsVestingServicePeriod", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Employer contribution and related earnings vesting service period (in years)", "label": "EBP, Employer Contribution And Related Earnings, Vesting Service Period", "documentation": "Period after which an employee becomes fully vested in their employer matching contributions and related earnings." } } }, "auth_ref": [] }, "trv_EBPEmployerContributionMaximumVestingAge": { "xbrltype": "integerItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionMaximumVestingAge", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Age at which a participant will become vested in full while employed, if not already vested", "label": "EBP, Employer Contribution, Maximum Vesting Age", "documentation": "Age at which a participant will become vested in full while employed, if not already vested" } } }, "auth_ref": [] }, "trv_EBPEmployerContributionParticipantCompensationMatchAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionParticipantCompensationMatchAmount", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Annual match", "label": "EBP, Employer Contribution, Participant Compensation, Match Amount", "documentation": "Maximum contribution amount that the employer may match per employee." } } }, "auth_ref": [] }, "trv_EBPEmployerContributionTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionTypeAxis", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Employer Contribution, Type [Axis]", "label": "EBP, Employer Contribution, Type [Axis]", "documentation": "Information by type of contributions to employee benefit plan." } } }, "auth_ref": [] }, "trv_EBPEmployerContributionTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerContributionTypeDomain", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Employer Contribution, Type [Domain]", "label": "EBP, Employer Contribution, Type [Domain]", "documentation": "Type of contribution to employee benefit plan." } } }, "auth_ref": [] }, "trv_EBPEmployerMatchingContributionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPEmployerMatchingContributionMember", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Matching contribution [Member]", "label": "EBP, Employer Matching Contribution [Member]", "documentation": "Standard employer match contribution" } } }, "auth_ref": [] }, "trv_EBPForfeitedNonvestedAccountDecreaseTotal": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPForfeitedNonvestedAccountDecreaseTotal", "crdr": "credit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeitures used during year", "label": "EBP Forfeited Nonvested Account Decrease Total", "documentation": "Amount of decrease in forfeited nonvested account of employee stock purchase, saving, or similar plan." } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantAccountMaximumBorrowingAmountMonthsPriorUsedToDetermineHighestLoanOutstandingBalance": { "xbrltype": "durationItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantAccountMaximumBorrowingAmountMonthsPriorUsedToDetermineHighestLoanOutstandingBalance", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of prior months used to determine highest loan outstanding balance for maximum borrowing for notes receivable from participants", "label": "EBP, Note Receivable From Participant, Account Maximum Borrowing Amount, Months Prior Used To Determine Highest Loan Outstanding Balance", "documentation": "Number of prior months used to determine highest outstanding loan balance when calculating amount of maximum account balance that participant in employee stock purchase, saving, or similar plan can borrow." } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantMaximumNumberOfLoansPerParticipant": { "xbrltype": "integerItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantMaximumNumberOfLoansPerParticipant", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum number of loans outstanding per participant for notes receivable from participants", "label": "EBP, Note Receivable From Participant, Maximum Number Of Loans Per Participant", "documentation": "Maximum number of loans each participant can have outstanding at any one time." } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantNonPrimaryResidenceLoanMaximumBorrowingTerm": { "xbrltype": "durationItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantNonPrimaryResidenceLoanMaximumBorrowingTerm", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum repayment period for non-primary residence loans for notes receivable from participants (in years)", "verboseLabel": "Maximum repayment period for non-home loans for notes receivable from participants (in years)", "label": "EBP, Note Receivable From Participant, Non-Primary Residence Loan, Maximum Borrowing Term", "documentation": "Maximum repayment period for non-primary residence participant loan in employee stock purchase, saving, or similar plan" } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantNumberOfLoansOutstanding": { "xbrltype": "integerItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantNumberOfLoansOutstanding", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of loans outstanding from participants", "label": "EBP, Note Receivable From Participant, Number Of Loans Outstanding", "documentation": "Number of participant loans outstanding in employee stock purchase, saving, or similar plan." } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantOneTimeSetUpFeePerLoan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantOneTimeSetUpFeePerLoan", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "One-time set-up fee per loan for notes receivable from participants", "label": "EBP, Note Receivable From Participant, One Time Set Up Fee Per Loan", "documentation": "Amount of one-time set-up fee charged per participant loan in employee stock purchase, saving, or similar plan." } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantPrimaryResidenceLoanMaximumBorrowingTerm": { "xbrltype": "durationItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantPrimaryResidenceLoanMaximumBorrowingTerm", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum repayment period for primary residence loans for notes receivable from participants (in years)", "verboseLabel": "Maximum repayment period for home loans for notes receivable from participants (in years)", "label": "EBP, Note Receivable From Participant, Primary Residence Loan, Maximum Borrowing Term", "documentation": "Maximum repayment period for primary residence participant loan in employee stock purchase, saving, or similar plan" } } }, "auth_ref": [] }, "trv_EBPNoteReceivableFromParticipantQuarterlyMaintenanceFeePerLoan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPNoteReceivableFromParticipantQuarterlyMaintenanceFeePerLoan", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Quarterly loan maintenance fees per loan for notes receivable from participants", "label": "EBP, Note Receivable From Participant, Quarterly Maintenance Fee Per Loan", "documentation": "Amount of quarterly loan maintenance fee charged per participant loan in employee stock purchase, saving, or similar plan." } } }, "auth_ref": [] }, "trv_EBPParticipantContributionAndRelatedEarningsVestingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPParticipantContributionAndRelatedEarningsVestingPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Vesting percentage of participant contributions and related earnings", "label": "EBP, Participant Contribution And Related Earnings, Vesting Percentage", "documentation": "The percentage of participant contributions, supplemental contributions, and related earnings in which the employee is vested." } } }, "auth_ref": [] }, "trv_EBPParticipantContributionMaximumContributionToEligibleCompensationPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPParticipantContributionMaximumContributionToEligibleCompensationPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum percent of eligible compensation allowed to be contributed to the Plan", "label": "EBP, Participant Contribution, Maximum Contribution to Eligible Compensation, Percentage", "documentation": "Percentage of maximum pretax annual eligible compensation that participant in employee stock purchase, saving, or similar plan, is permitted to contribute to total pretax annual eligible compensation." } } }, "auth_ref": [] }, "trv_EBPParticipantLoanBasisSpreadOnVariableRate": { "xbrltype": "percentItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPParticipantLoanBasisSpreadOnVariableRate", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rate margin percentage for notes receivable from participants", "label": "EBP, Participant Loan, Basis Spread On Variable Rate", "documentation": "Percentage added to reference rate used to compute variable rate on investment." } } }, "auth_ref": [] }, "trv_EBPParticipantVestedBalanceRolledOverToIRAWhenNoDistributionInstructionsHaveBeenProvidedFollowingEmploymentTerminationMaximum": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPParticipantVestedBalanceRolledOverToIRAWhenNoDistributionInstructionsHaveBeenProvidedFollowingEmploymentTerminationMaximum", "crdr": "credit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum vested balance of participant rolled over to an IRA if distribution instructions have not been provided following termination of employment", "label": "EBP, Participant Vested Balance Rolled Over To IRA When No Distribution Instructions Have Been Provided Following Employment Termination, Maximum", "documentation": "Maximum account balance amount to trigger automatic rollover to IRA upon participant termination of employment when no distribution instructions were provided." } } }, "auth_ref": [] }, "trv_EBPParticipantVestedBalanceRolledOverToIRAWhenNoDistributionInstructionsHaveBeenProvidedFollowingEmploymentTerminationMinimum": { "xbrltype": "monetaryItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPParticipantVestedBalanceRolledOverToIRAWhenNoDistributionInstructionsHaveBeenProvidedFollowingEmploymentTerminationMinimum", "crdr": "credit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum vested balance of participant rolled over to an IRA if distribution instructions have not been provided following termination of employment", "label": "EBP, Participant Vested Balance Rolled Over To IRA When No Distribution Instructions Have Been Provided Following Employment Termination, Minimum", "documentation": "Minimum account balance amount to trigger automatic rollover to IRA upon participant termination of employment when no distribution instructions were provided." } } }, "auth_ref": [] }, "trv_EBPPlanTerminationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPPlanTerminationLineItems", "presentation": [ "http://www.travelers.com/role/PlanTermination" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Termination [Line Items]", "label": "EBP, Plan Termination [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": [] }, "trv_EBPPlanTerminationTable": { "xbrltype": "stringItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPPlanTerminationTable", "presentation": [ "http://www.travelers.com/role/PlanTermination" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Termination [Table]", "label": "EBP, Plan Termination [Table]", "documentation": "Disclosure of information about terminating employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [] }, "trv_EBPRolloverContributionMaximumDaysAfterDistribution": { "xbrltype": "integerItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPRolloverContributionMaximumDaysAfterDistribution", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum number of days after distribution for a contribution to be considered a rollover contribution", "label": "EBP, Rollover Contribution, Maximum Days After Distribution", "documentation": "Maximum number of days after distribution for a contribution to be considered a rollover contribution" } } }, "auth_ref": [] }, "trv_EBPSupplementalContributionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPSupplementalContributionMember", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Supplemental contribution [Member]", "label": "EBP, Supplemental Contribution [Member]", "documentation": "Supplemental employer contribution for certain eligible participants" } } }, "auth_ref": [] }, "trv_EBPSyntheticInvestmentContractLincolnFinancialGroupBVW0010GMember": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPSyntheticInvestmentContractLincolnFinancialGroupBVW0010GMember", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Lincoln Financial Group, BVW0010G [Member]", "label": "EBP, Synthetic Investment Contract, Lincoln Financial Group, BVW0010G [Member]", "documentation": "Lincoln Financial Group synthetic investment contract" } } }, "auth_ref": [] }, "trv_EBPSyntheticInvestmentContractMetTowerLife39873Member": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPSyntheticInvestmentContractMetTowerLife39873Member", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Met Tower Life, 39873 [Member]", "label": "EBP, Synthetic Investment Contract, Met Tower Life, 39873 [Member]", "documentation": "Met Tower Life synthetic investment contract" } } }, "auth_ref": [] }, "trv_EBPSyntheticInvestmentContractThePrudentialInsuranceCompanyOfAmericaGA63058Member": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPSyntheticInvestmentContractThePrudentialInsuranceCompanyOfAmericaGA63058Member", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total The Prudential Insurance Company of America, GA-63058 [Member]", "label": "EBP, Synthetic Investment Contract, The Prudential Insurance Company of America, GA-63058 [Member]", "documentation": "The Prudential Insurance Company of America synthetic investment contract" } } }, "auth_ref": [] }, "trv_EBPSyntheticInvestmentContractVoyaRetirementInsuranceAndAnnuityCompanyMCA60441Member": { "xbrltype": "domainItemType", "nsuri": "http://www.travelers.com/20260610", "localname": "EBPSyntheticInvestmentContractVoyaRetirementInsuranceAndAnnuityCompanyMCA60441Member", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Total Voya Retirement Insurance and Annuity Company, MCA-60441 [Member]", "label": "EBP, Synthetic Investment Contract, Voya Retirement Insurance and Annuity Company, MCA-60441 [Member]", "documentation": "Voya Retirement Insurance and Annuity Company synthetic investment contract" } } }, "auth_ref": [] }, "us-gaap-ebp_EbpRiskAndUncertaintyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpRiskAndUncertaintyPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Risks and Uncertainties [Policy Text Block]", "label": "EBP, Risk and Uncertainty [Policy Text Block]", "documentation": "Disclosure of accounting policy 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": [ "r42", "r43" ] }, "us-gaap-ebp_EbpSubsequentEventAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpSubsequentEventAbstract", "lang": { "en-us": { "role": { "label": "EBP, Subsequent Event [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EbpSubsequentEventLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpSubsequentEventLineItems", "presentation": [ "http://www.travelers.com/role/SubsequentEvents" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Events [Line Items]", "label": "EBP, Subsequent Event [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": [ "r50", "r144" ] }, "us-gaap-ebp_EbpSubsequentEventTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EbpSubsequentEventTable", "presentation": [ "http://www.travelers.com/role/SubsequentEvents" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Events [Table]", "label": "EBP, Subsequent Event [Table]", "documentation": "Disclosure of information about subsequent event for employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r50", "r144" ] }, "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.travelers.com/role/SignificantAccountingPolicies", "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Significant Accounting Policies [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": [ "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanAccountingPolicyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAccountingPolicyTable", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPolicies", "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Significant Accounting Policies [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": [ "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanAccruedExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAccruedExpense", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanLiability", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued expenses", "label": "EBP, Accrued Expense", "documentation": "Amount of liability for expense incurred but not yet paid by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r112", "r139", "r140", "r141", "r173", "r187" ] }, "us-gaap-ebp_EmployeeBenefitPlanAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAsset", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total assets", "label": "EBP, Asset", "documentation": "Amount of asset held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r52", "r61", "r94", "r140", "r199" ] }, "us-gaap-ebp_EmployeeBenefitPlanAssetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "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.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "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": [ "r148", "r186" ] }, "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetHeldForInvestmentInvestmentExcludingPlanInterestInMasterTrustCurrentValue", "crdr": "debit", "calculation": { "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Current value", "label": "EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value", "documentation": "Current value of investment, excluding plan interest in master trust, 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, derivative, investment measured at net asset value per share as practical expedient, and insurance contract." } } }, "auth_ref": [ "r93", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanAssetHeldForInvestmentParticipantLoanAfterDeemedDistribution", "crdr": "debit", "calculation": { "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAssetHeldForInvestment", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Notes receivable from participants", "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": [ "r93", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanBasisOfAccountingPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Basis of Presentation [Policy Text Block]", "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": [ "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanCash", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAsset", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Cash", "label": "EBP, Noninterest-Bearing Cash", "documentation": "Amount of noninterest-bearing cash held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r75" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "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": [ "r140", "r188" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseAbstract", "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Deductions from net assets attributed to:", "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.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.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": [ "r58", "r95", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecreaseForPaymentToParticipant", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitDecrease", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Paid to participants in cash", "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": [ "r57", "r90", "r95", "r104", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Net increase", "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", "r95", "r140", "r192" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForGainLossOnInvestment", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Net appreciation in fair 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": [ "r12", "r55", "r109", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total investment income gain", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestmentAbstract", "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investment income gain:", "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.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.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": [ "r140", "r188" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContributionAbstract", "presentation": [ "http://www.travelers.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_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForDividendIncomeOnInvestment", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Dividends", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Dividend Income on Investment", "documentation": "Amount of increase in net asset available for benefit from dividend income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r84", "r140", "r174", "r195" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionCash", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions, Employer", "verboseLabel": "Employer contributions", "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": [ "r56", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnInvestment", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecreaseForIncomeLossOnInvestment", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Interest income from investments", "label": "EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Investment", "documentation": "Amount of increase in net asset available for benefit from interest income on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Excludes interest income on note receivable from participant." } } }, "auth_ref": [ "r83", "r140", "r174", "r195" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForInterestIncomeOnNoteReceivableFromParticipant", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseDecrease", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Interest from 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": [ "r140", "r188" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionExcludingRollover", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions, Employee", "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": [ "r140", "r145", "r146", "r147", "r184", "r185" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForParticipantContributionRollover", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForContribution", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions, Rollover and other", "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": [ "r140", "r145", "r146", "r147", "r184", "r185" ] }, "us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitTransferToFromExternalPlan", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Transfer in from another plan", "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": [ "r59", "r140", "r176", "r188" ] }, "us-gaap-ebp_EmployeeBenefitPlanContributionPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanContributionPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Contributions [Policy Text Block]", "label": "EBP, Contribution [Policy Text Block]", "documentation": "Disclosure of accounting policy for determining contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, basis for determining employer contribution and method of determining participant contribution." } } }, "auth_ref": [ "r62" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanAbstract", "lang": { "en-us": { "role": { "terseLabel": "EBP, Description of Plan and Accounting Change [Abstract]", "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.travelers.com/role/DescriptionofthePlan", "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Description of the 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": [ "r175" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanTable", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlan", "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Description of the 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": [ "r175" ] }, "us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanDescriptionOfPlanTextBlock", "presentation": [ "http://www.travelers.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", "r60", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerCommonStockFundMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerCommonStockFundMember", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock [Member]", "label": "EBP, Employer, Common Stock Fund [Member]", "documentation": "Fund with common stock issued by employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r121", "r172", "r179", "r182", "r193", "r197", "r198" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerContributionMatchingPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Matching contribution as a percent of employee contribution, subject to stated limit", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Matching contribution as a percent of eligible pay", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanEmployerContributionReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanEmployerContributionReceivable", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Employer contributions", "label": "EBP, Employer Contribution, Receivable", "documentation": "Amount of contribution receivable from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r94", "r96", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanExpensePolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanExpensePolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Administrative Expenses [Policy Text Block]", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanForfeitedNonvestedAccount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanForfeitedNonvestedAccount", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeiture account balance", "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": [ "r64", "r140" ] }, "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.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fully Benefit-Responsive Investment Contracts With Financial Institutions [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": [ "r99", "r108" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTable", "presentation": [ "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Fully Benefit-Responsive Investment Contracts With Financial Institutions [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": [ "r99", "r108", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanFullyBenefitResponsiveInvestmentContractTextBlock", "presentation": [ "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions" ], "lang": { "en-us": { "role": { "terseLabel": "Fully Benefit-Responsive Investment Contracts With Financial Institutions", "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": [ "r105", "r106", "r107", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentContractValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentContractValueAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "At contract value:", "label": "EBP, Investment, Contract Value [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentEmployerCommonStockToTotalAssetPercentage", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of Plan's total assets invested in common stock of TRV", "label": "EBP, Investment, Employer, Common Stock, to Total Asset, Percentage", "documentation": "Percentage of investment in common stock of employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), to total plan assets." } } }, "auth_ref": [ "r183" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustContractValue", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairAndContractValue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Fully benefit-responsive investment contracts", "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Contract Value", "documentation": "Contract value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, insurance contract meeting fully benefit-responsive investment criteria." } } }, "auth_ref": [ "r68", "r74", "r108", "r140", "r187" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairAndContractValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairAndContractValue", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAsset", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total investments", "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Fair and Contract Value", "documentation": "Fair and contract value of investment, excluding plan interest in master trust, 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": [ "r181" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairValue", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanInvestmentExcludingPlanInterestInMasterTrustFairAndContractValue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investments, at fair value", "label": "EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value", "documentation": "Fair value of investment, excluding plan interest in master trust, 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": [ "r11", "r13", "r14", "r21", "r22", "r24", "r25", "r31", "r32", "r34", "r99", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairAndContractValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairAndContractValueAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investments:", "label": "EBP, Investment, Fair and Contract Value [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "At fair value:", "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.travelers.com/role/FairValueMeasurements", "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FairValueMeasurementsTable" ], "lang": { "en-us": { "role": { "terseLabel": "Level within the fair value hierarchy at which the Company's financial assets and financial liabilities are measured [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": [ "r26", "r27", "r28", "r31", "r32", "r34", "r35", "r36", "r37", "r38", "r39", "r40", "r65", "r88", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTable", "presentation": [ "http://www.travelers.com/role/FairValueMeasurements", "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FairValueMeasurementsTable" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurements [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": [ "r25", "r26", "r27", "r28", "r31", "r32", "r34", "r35", "r36", "r37", "r38", "r39", "r40", "r65", "r88", "r102", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTableTextBlock", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsTable" ], "lang": { "en-us": { "role": { "terseLabel": "Level within the fair value hierarchy at which the Plan's financial assets are measured on a recurring basis [Table Text Block]", "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": [ "r23", "r30", "r32", "r33", "r41", "r140", "r190", "r191", "r194" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentFairValueAndNavTextBlock", "presentation": [ "http://www.travelers.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": [ "r26", "r28", "r29", "r31", "r32", "r34", "r37", "r38", "r39", "r40", "r65", "r88", "r89", "r99", "r100", "r140", "r143" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentInterestRate", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Rate", "label": "EBP, Investment, Interest Rate", "documentation": "Interest rate on investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r93", "r151", "r155", "r158", "r159", "r161" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentNumberOfShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentNumberOfShares", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Number of shares/units (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": [ "r66", "r93", "r151", "r155", "r158", "r159", "r161" ] }, "us-gaap-ebp_EmployeeBenefitPlanInvestmentPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanInvestmentPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Income Recognition [Policy Text Block]", "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": [ "r98", "r102", "r103", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanLiability", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Total liabilities", "label": "EBP, Liability", "documentation": "Amount of liability of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r53", "r80", "r94", "r140", "r199" ] }, "us-gaap-ebp_EmployeeBenefitPlanLiabilityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanLiabilityAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Liabilities", "label": "EBP, Liability [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNetAssetAvailableForBenefit", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "totalLabel": "Net assets available for benefits", "periodStartLabel": "Beginning of year", "periodEndLabel": "End of year", "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", "r54", "r81", "r91", "r92", "r101", "r112", "r140", "r141", "r187" ] }, "us-gaap-ebp_EmployeeBenefitPlanNetAssetAvailableForBenefitAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNetAssetAvailableForBenefitAbstract", "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Net assets available for benefits:", "label": "EBP, Net Asset Available for Benefit [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipant": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipant", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Notes receivable from participants", "verboseLabel": "Outstanding loans 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": [ "r97", "r140", "r187" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingAmount", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum borrowed amount per loan for notes receivable from participants", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMaximumBorrowingToTotalAccountPercentage", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum borrowing amount per loan, as % of vested account balance for notes receivable from participants", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantAccountMinimumBorrowingAmount", "crdr": "debit", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum borrowing amount per loan for notes receivable from participants", "label": "EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount", "documentation": "Amount of minimum account balance that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) can borrow." } } }, "auth_ref": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanNoteReceivableFromParticipantPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Notes Receivable from Participants [Policy Text Block]", "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": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanOtherLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanOtherLiability", "crdr": "credit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanLiability", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Other payables", "label": "EBP, Other Liability", "documentation": "Amount of liability of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), classified as other." } } }, "auth_ref": [ "r80", "r199" ] }, "us-gaap-ebp_EmployeeBenefitPlanOtherReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanOtherReceivable", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanReceivable", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Other receivables", "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": [ "r180" ] }, "us-gaap-ebp_EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanParticipantContributionAutomaticDeferralRate", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Pre-tax contribution rate for new hires that have not affirmatively elected to not participate, to participate at a different rate, or to contribute on an after-tax Roth 401(k) basis", "label": "EBP, Participant Contribution, Automatic, Deferral Rate", "documentation": "Percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanParticipantLoanInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanParticipantLoanInterestRate", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Interest rates on notes receivable from participants", "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": [ "r93", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanPaymentToParticipantPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Payment of Benefits [Policy Text Block]", "label": "EBP, Payment to Participant [Policy Text Block]", "documentation": "Disclosure of accounting policy for payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanPlanTerminationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanPlanTerminationTextBlock", "presentation": [ "http://www.travelers.com/role/PlanTermination" ], "lang": { "en-us": { "role": { "terseLabel": "Plan Termination", "label": "EBP, Plan Termination [Text Block]", "documentation": "The entire disclosure for terminating employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, plan under which participant no longer accrues benefit but remains in existence to pay already accrued benefit." } } }, "auth_ref": [ "r113", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReceivable", "crdr": "debit", "calculation": { "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits": { "parentTag": "us-gaap-ebp_EmployeeBenefitPlanAsset", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "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": [ "r140", "r187" ] }, "us-gaap-ebp_EmployeeBenefitPlanReceivableAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanReceivableAbstract", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Receivables:", "label": "EBP, Receivable [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsAbstract", "lang": { "en-us": { "role": { "label": "EBP, Related Party and Party-in-Interest Transactions [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsLineItems", "presentation": [ "http://www.travelers.com/role/PartyInInterestTransactions" ], "lang": { "en-us": { "role": { "terseLabel": "Party-In-Interest Transactions [Line Items]", "label": "EBP, Related Party and Party-in-Interest Transactions [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": [ "r47", "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTable", "presentation": [ "http://www.travelers.com/role/PartyInInterestTransactions" ], "lang": { "en-us": { "role": { "terseLabel": "Party-In-Interest Transactions [Table]", "label": "EBP, Related Party and Party-in-Interest Transactions [Table]", "documentation": "Disclosure of information about related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r47", "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanRelatedPartyAndPartyInInterestTransactionsTextBlock", "presentation": [ "http://www.travelers.com/role/PartyInInterestTransactions" ], "lang": { "en-us": { "role": { "terseLabel": "Party-In-Interest Transactions", "label": "EBP, Related Party and Party-in-Interest Transactions [Text Block]", "documentation": "The entire disclosure for related party and party-in-interest transactions with employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r44", "r45", "r46", "r47", "r140" ] }, "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.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule H, Line 4i [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": [ "r93", "r150", "r151", "r152", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTable", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule H, Line 4i [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": [ "r93", "r150", "r151", "r152", "r153" ] }, "us-gaap-ebp_EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanScheduleOfAssetHeldForInvestmentTableTextBlock", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule H, Line 4i\u2014Schedule 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": [ "r149", "r186" ] }, "us-gaap-ebp_EmployeeBenefitPlanSelfDirectedBrokerageAccountMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSelfDirectedBrokerageAccountMember", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Fidelity BrokerageLink investments [Member]", "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": [ "r124", "r126", "r137", "r138", "r140" ] }, "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.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Statement of Changes in Net Assets Available for Benefits [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": [ "r85", "r86", "r87", "r101" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfChangeInNetAssetAvailableForBenefitTable", "presentation": [ "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Statement of Changes in Net Assets Available for Benefits [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": [ "r85", "r86", "r87", "r101" ] }, "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.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Net Assets Available for Benefits [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": [ "r69", "r70", "r71", "r72", "r73", "r74", "r76", "r77", "r78", "r79", "r99", "r101", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124" ] }, "us-gaap-ebp_EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanStatementOfNetAssetAvailableForBenefitTable", "presentation": [ "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "EBP, Statement of Net Assets Available for Benefits [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": [ "r69", "r70", "r71", "r72", "r73", "r74", "r76", "r77", "r78", "r79", "r99", "r101", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123" ] }, "us-gaap-ebp_EmployeeBenefitPlanSubsequentEventTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSubsequentEventTextBlock", "presentation": [ "http://www.travelers.com/role/SubsequentEvents" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Events", "label": "EBP, Subsequent Event [Text Block]", "documentation": "The entire disclosure for subsequent event in financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r49", "r51", "r178", "r189" ] }, "us-gaap-ebp_EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSummaryOfAccountingPolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "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", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanSyntheticInvestmentContractMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanSyntheticInvestmentContractMember", "presentation": [ "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Synthetic GICs [Member]", "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": [ "r126", "r127", "r128", "r138", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanTaxStatusAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanTaxStatusAbstract", "lang": { "en-us": { "role": { "label": "EBP, Tax Status [Abstract]" } } }, "auth_ref": [] }, "us-gaap-ebp_EmployeeBenefitPlanTaxStatusLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanTaxStatusLineItems", "presentation": [ "http://www.travelers.com/role/TaxStatus" ], "lang": { "en-us": { "role": { "terseLabel": "Tax Status [Line Items]", "label": "EBP, Tax Status [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": [ "r177" ] }, "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanTaxStatusTable", "presentation": [ "http://www.travelers.com/role/TaxStatus" ], "lang": { "en-us": { "role": { "terseLabel": "Tax Status [Table]", "label": "EBP, Tax Status [Table]", "documentation": "Disclosure of information about tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax." } } }, "auth_ref": [ "r177" ] }, "us-gaap-ebp_EmployeeBenefitPlanTaxStatusTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanTaxStatusTextBlock", "presentation": [ "http://www.travelers.com/role/TaxStatus" ], "lang": { "en-us": { "role": { "terseLabel": "Tax Status", "label": "EBP, Tax Status [Text Block]", "documentation": "The entire disclosure for tax status of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, information concerning whether tax ruling or determination letter was obtained and principal assumption on which plan relied in not making provision for federal income tax." } } }, "auth_ref": [ "r63", "r67", "r140" ] }, "us-gaap-ebp_EmployeeBenefitPlanUseOfEstimatePolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap-ebp/2026", "localname": "EmployeeBenefitPlanUseOfEstimatePolicyTextBlock", "presentation": [ "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Use of Estimates [Policy Text Block]", "label": "EBP, Use of Estimate [Policy Text Block]", "documentation": "Disclosure of accounting policy for use of estimate in preparation of financial statement of employee stock purchase, saving, or similar plan (employee benefit plan (EBP))." } } }, "auth_ref": [ "r5", "r6", "r7", "r8", "r9", "r10", "r140" ] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.travelers.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": [ "r142" ] }, "dei_EntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "EntityDomain", "presentation": [ "http://www.travelers.com/role/Cover", "http://www.travelers.com/role/DescriptionofthePlan", "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/FairValueMeasurements", "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FairValueMeasurementsTable", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/PartyInInterestTransactions", "http://www.travelers.com/role/PlanTermination", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/SignificantAccountingPolicies", "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies", "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits", "http://www.travelers.com/role/SubsequentEvents", "http://www.travelers.com/role/TaxStatus" ], "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.travelers.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": [ "r142" ] }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueByFairValueHierarchyLevelAxis", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level within the fair value hierarchy at which the Company's financial assets and financial liabilities are measured [Axis]", "label": "Fair Value Hierarchy and NAV [Axis]" } } }, "auth_ref": [ "r25", "r26", "r27", "r28", "r31", "r32", "r34", "r100", "r140" ] }, "us-gaap_FairValueInputsLevel1Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel1Member", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 1 [Member]", "label": "Fair Value, Inputs, Level 1 [Member]" } } }, "auth_ref": [ "r25", "r31", "r125", "r140" ] }, "us-gaap_FairValueInputsLevel2Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel2Member", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 2 [Member]", "label": "Fair Value, Inputs, Level 2 [Member]" } } }, "auth_ref": [ "r25", "r26", "r31", "r125", "r140" ] }, "us-gaap_FairValueInputsLevel3Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueInputsLevel3Member", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level 3 [Member]", "label": "Fair Value, Inputs, Level 3 [Member]" } } }, "auth_ref": [ "r25", "r26", "r27", "r28", "r31", "r32", "r125", "r140" ] }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "FairValueMeasurementsFairValueHierarchyDomain", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Level within the fair value hierarchy at which the Company's financial assets and financial liabilities are measured [Domain]", "label": "Fair Value Hierarchy and NAV [Domain]" } } }, "auth_ref": [ "r25", "r26", "r27", "r28", "r31", "r32", "r34", "r100", "r140" ] }, "us-gaap_InvestmentIdentifierAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "InvestmentIdentifierAxis", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Investment, Identifier [Axis]", "label": "Investment, Identifier [Axis]" } } }, "auth_ref": [ "r93", "r150", "r151", "r152", "r153", "r154", "r155", "r156", "r157", "r158", "r159", "r160", "r161", "r162", "r163", "r164", "r165", "r166", "r167", "r168", "r169", "r170", "r171" ] }, "us-gaap_InvestmentTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "InvestmentTypeAxis", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investment Type [Axis]", "label": "Investment Type [Axis]" } } }, "auth_ref": [ "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r24", "r25", "r26", "r27", "r28", "r31", "r32", "r34", "r35", "r36", "r37", "r38", "r39", "r40", "r65", "r69", "r70", "r71", "r72", "r73", "r74", "r82", "r85", "r86", "r87", "r88", "r93", "r99", "r108", "r110", "r111", "r114", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r129", "r130", "r131", "r132", "r133", "r134", "r135", "r136", "r137", "r140", "r141", "r153", "r172", "r187" ] }, "us-gaap_InvestmentTypeCategorizationMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "InvestmentTypeCategorizationMember", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Investments [Domain]", "label": "Investments [Domain]" } } }, "auth_ref": [ "r11", "r12", "r13", "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r24", "r25", "r26", "r27", "r28", "r31", "r32", "r34", "r35", "r36", "r37", "r38", "r39", "r40", "r65", "r69", "r70", "r71", "r72", "r73", "r74", "r82", "r85", "r86", "r87", "r88", "r93", "r99", "r108", "r110", "r111", "r114", "r115", "r116", "r117", "r118", "r119", "r120", "r121", "r122", "r123", "r124", "r129", "r130", "r131", "r132", "r133", "r134", "r135", "r136", "r137", "r140", "r141", "r153", "r172", "r187" ] }, "dei_LegalEntityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2026", "localname": "LegalEntityAxis", "presentation": [ "http://www.travelers.com/role/Cover", "http://www.travelers.com/role/DescriptionofthePlan", "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/FairValueMeasurements", "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/FairValueMeasurementsTable", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutions", "http://www.travelers.com/role/FullyBenefitResponsiveInvestmentContractsWithFinancialInstitutionsDetails", "http://www.travelers.com/role/PartyInInterestTransactions", "http://www.travelers.com/role/PlanTermination", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYear", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/SignificantAccountingPolicies", "http://www.travelers.com/role/SignificantAccountingPoliciesDetails", "http://www.travelers.com/role/SignificantAccountingPoliciesPolicies", "http://www.travelers.com/role/StatementofChangesinNetAssetsAvailableforBenefits", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits", "http://www.travelers.com/role/SubsequentEvents", "http://www.travelers.com/role/TaxStatus" ], "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.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum [Member]", "label": "Maximum [Member]" } } }, "auth_ref": [ "r28", "r140", "r153", "r186" ] }, "srt_MinimumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "MinimumMember", "presentation": [ "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum [Member]", "label": "Minimum [Member]" } } }, "auth_ref": [ "r28", "r140", "r153", "r186" ] }, "us-gaap_MoneyMarketFundsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "MoneyMarketFundsMember", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Short-term investments [Member]", "verboseLabel": "Short-term money-market investments [Member]", "label": "Money Market Funds [Member]" } } }, "auth_ref": [ "r186", "r190", "r193", "r196" ] }, "us-gaap_MutualFundMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "MutualFundMember", "presentation": [ "http://www.travelers.com/role/FairValueMeasurementsDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails", "http://www.travelers.com/role/StatementofNetAssetsAvailableforBenefits" ], "lang": { "en-us": { "role": { "terseLabel": "Mutual funds [Member]", "label": "Mutual Fund [Member]" } } }, "auth_ref": [ "r115", "r126", "r129", "r138", "r140", "r141" ] }, "srt_RangeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "RangeAxis", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Axis]", "label": "Statistical Measurement [Axis]" } } }, "auth_ref": [ "r28", "r140", "r153", "r186" ] }, "srt_RangeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2026", "localname": "RangeMember", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails", "http://www.travelers.com/role/ScheduleHLine4iScheduleofAssetsHeldatEndofYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Statistical Measurement [Domain]", "label": "Statistical Measurement [Domain]" } } }, "auth_ref": [ "r28", "r140", "r153", "r186" ] }, "us-gaap_SubsequentEventMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "SubsequentEventMember", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent event [Member]", "label": "Subsequent Event [Member]" } } }, "auth_ref": [ "r48" ] }, "us-gaap_SubsequentEventTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "SubsequentEventTypeAxis", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event Type [Axis]", "label": "Subsequent Event Type [Axis]" } } }, "auth_ref": [ "r48" ] }, "us-gaap_SubsequentEventTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2026", "localname": "SubsequentEventTypeDomain", "presentation": [ "http://www.travelers.com/role/DescriptionofthePlanDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent Event Type [Domain]", "label": "Subsequent Event Type [Domain]" } } }, "auth_ref": [ "r48" ] } } } }, "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": "(b)", "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": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-1" }, "r7": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11" }, "r8": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-11" }, "r9": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-12" }, "r10": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "275", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482861/275-10-50-4" }, "r11": { "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" }, "r12": { "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" }, "r13": { "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" }, "r14": { "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" }, "r15": { "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" }, "r16": { "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" }, "r17": { "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" }, "r18": { "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" }, "r19": { "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" }, "r20": { "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" }, "r21": { "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" }, "r22": { "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" }, "r23": { "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" }, "r24": { "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" }, "r25": { "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" }, "r26": { "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" }, "r27": { "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" }, "r28": { "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" }, "r29": { "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" }, "r30": { "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" }, "r31": { "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" }, "r32": { "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" }, "r33": { "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" }, "r34": { "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" }, "r35": { "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" }, "r36": { "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" }, "r37": { "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" }, "r38": { "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" }, "r39": { "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" }, "r40": { "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" }, "r41": { "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" }, "r42": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21" }, "r43": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147482907/825-10-50-21" }, "r44": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r45": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r46": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r47": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483326/850-10-50-1" }, "r48": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-2" }, "r49": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-2" }, "r50": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-2" }, "r51": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-3" }, "r52": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2" }, "r53": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-2" }, "r54": { "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" }, "r55": { "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" }, "r56": { "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" }, "r57": { "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" }, "r58": { "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" }, "r59": { "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" }, "r60": { "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" }, "r61": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r62": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r63": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r64": { "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" }, "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-02(a))", "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-02(b))", "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-02(c))", "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-02(d))", "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-03(1))", "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-03(2)(a))", "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-03(2)(b)(1))", "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-03(2)(b)(2))", "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-03(2))", "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-03(3))", "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-03(5))", "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-03(6)(a))", "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-03(6)(b))", "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": "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" }, "r79": { "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" }, "r80": { "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))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r81": { "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" }, "r82": { "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" }, "r83": { "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)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r84": { "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))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r85": { "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" }, "r86": { "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" }, "r87": { "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" }, "r88": { "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" }, "r89": { "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" }, "r90": { "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" }, "r91": { "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" }, "r92": { "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" }, "r93": { "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" }, "r94": { "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 II))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r95": { "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" }, "r96": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478642/962-310-45-1" }, "r97": { "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" }, "r98": { "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" }, "r99": { "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" }, "r100": { "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" }, "r101": { "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" }, "r102": { "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" }, "r103": { "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" }, "r104": { "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" }, "r105": { "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" }, "r106": { "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" }, "r107": { "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" }, "r108": { "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" }, "r109": { "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" }, "r110": { "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" }, "r111": { "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" }, "r112": { "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" }, "r113": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "962", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147479684/962-40-50-1" }, "r114": { "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" }, "r115": { "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" }, "r116": { "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" }, "r117": { "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" }, "r118": { "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" }, "r119": { "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" }, "r120": { "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" }, "r121": { "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" }, "r122": { "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" }, "r123": { "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" }, "r124": { "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" }, "r125": { "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" }, "r126": { "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" }, "r127": { "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" }, "r128": { "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" }, "r129": { "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" }, "r130": { "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" }, "r131": { "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" }, "r132": { "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" }, "r133": { "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" }, "r134": { "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" }, "r135": { "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" }, "r136": { "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" }, "r137": { "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" }, "r138": { "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" }, "r139": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "962", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8C", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477783/962-325-50-8C" }, "r140": { "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" }, "r141": { "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" }, "r142": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r143": { "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" }, "r144": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147483399/855-10-50-3" }, "r145": { "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" }, "r146": { "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" }, "r147": { "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" }, "r148": { "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" }, "r149": { "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" }, "r150": { "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" }, "r151": { "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" }, "r152": { "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" }, "r153": { "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" }, "r154": { "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)(A)", "Publisher": "DOL-EBSA" }, "r155": { "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" }, "r156": { "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)(C)", "Publisher": "DOL-EBSA" }, "r157": { "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)(D)", "Publisher": "DOL-EBSA" }, "r158": { "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" }, "r159": { "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" }, "r160": { "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)(i)", "Publisher": "DOL-EBSA" }, "r161": { "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" }, "r162": { "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)(iii)", "Publisher": "DOL-EBSA" }, "r163": { "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)(iv)", "Publisher": "DOL-EBSA" }, "r164": { "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)(v)", "Publisher": "DOL-EBSA" }, "r165": { "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)(vi)", "Publisher": "DOL-EBSA" }, "r166": { "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)(vii)", "Publisher": "DOL-EBSA" }, "r167": { "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)(i)", "Publisher": "DOL-EBSA" }, "r168": { "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)(ii)", "Publisher": "DOL-EBSA" }, "r169": { "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)(iii)", "Publisher": "DOL-EBSA" }, "r170": { "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)(iv)", "Publisher": "DOL-EBSA" }, "r171": { "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)(v)", "Publisher": "DOL-EBSA" }, "r172": { "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" }, "r173": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-4" }, "r174": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477063/962-205-45-7" }, "r175": { "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" }, "r176": { "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" }, "r177": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "962", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147478416/962-205-50-1" }, "r178": { "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" }, "r179": { "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" }, "r180": { "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" }, "r181": { "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)", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r182": { "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" }, "r183": { "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)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org/1943274/2147477804/962-205-S99-1" }, "r184": { "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" }, "r185": { "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" }, "r186": { "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" }, "r187": { "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" }, "r188": { "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" }, "r189": { "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" }, "r190": { "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" }, "r191": { "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" }, "r192": { "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" }, "r193": { "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" }, "r194": { "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" }, "r195": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "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" }, "r196": { "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" }, "r197": { "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" }, "r198": { "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" }, "r199": { "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" } } }