| Type | including |
|---|---|
| Role | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceEffectsOfReinsuranceTable |
| Type | Element |
|---|---|
| Hypercube | us-gaap:EffectsOfReinsuranceTable |
| Explicit | srt:ProductOrServiceAxis |
| Member | srt:ProductsAndServicesDomain |
| Member | us-gaap:AccidentAndHealthInsuranceSegmentMember |
| Member | us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember |
| Member | us-gaap:DisabilityInsurancePolicyMember |
| Member | us-gaap:HealthInsuranceProductLineMember |
| Member | us-gaap:WorkersCompensationInsuranceMember |
| Member | us-gaap:FinancialGuaranteeInsuranceSegmentMember |
| Member | us-gaap:FixedAnnuityMember |
| Member | us-gaap:DeferredFixedAnnuityMember |
| Member | us-gaap:ImmediateFixedAnnuityMember |
| Member | us-gaap:TerminalFundingAnnuityMember |
| Member | us-gaap:GroupPoliciesMember |
| Member | us-gaap:GuaranteedInvestmentContractMember |
| Member | us-gaap:IndexedAnnuityMember |
| Member | us-gaap:IndividualPoliciesMember |
| Member | us-gaap:InvestmentsSegmentMember |
| Member | us-gaap:LifeAndAnnuityInsuranceProductLineMember |
| Member | us-gaap:LifeInsuranceSegmentMember |
| Member | us-gaap:InterestSensitiveLifeMember |
| Member | us-gaap:NonparticipatingLifeInsurancePolicyMember |
| Member | us-gaap:ParticipatingLifeInsurancePolicyMember |
| Member | us-gaap:TermLifeInsuranceMember |
| Member | us-gaap:UniversalLifeMember |
| Member | us-gaap:VariableLifeMember |
| Member | us-gaap:VariableUniversalLifeMember |
| Member | us-gaap:WholeLifeInsuranceMember |
| Member | us-gaap:NontraditionalLongDurationContractsMember |
| Member | us-gaap:OtherInsuranceProductLineMember |
| Member | us-gaap:OtherLongdurationInsuranceProductLineMember |
| Member | us-gaap:OtherShortdurationInsuranceProductLineMember |
| Member | us-gaap:ProfessionalLiabilityInsuranceMember |
| Member | us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember |
| Member | us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember |
| Member | us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember |
| Member | us-gaap:PropertyInsuranceProductLineMember |
| Member | us-gaap:StructuredSettlementAnnuityMember |
| Member | us-gaap:SuretySegmentMember |
| Member | us-gaap:TitleInsuranceSegmentMember |
| Member | us-gaap:VariableAnnuityMember |
| Member | us-gaap:DeferredVariableAnnuityMember |
| Member | us-gaap:ImmediateVariableAnnuityMember |
| Label/QName |
|---|
us-gaap:EffectsOfReinsuranceLineItems |
us-gaap:PremiumsWrittenAndEarnedAbstract |
us-gaap:PremiumsWrittenAndEarnedMethodologyAndAssumptions |
us-gaap:PremiumsWrittenNetConsolidatedAbstract |
us-gaap:PremiumsWrittenGrossAbstract |
us-gaap:DirectPremiumsWritten |
us-gaap:AssumedPremiumsWritten |
us-gaap:PremiumsWrittenGross |
us-gaap:CededPremiumsWritten |
us-gaap:PremiumsWrittenNet |
us-gaap:ReinsurancePremiumsForInsuranceCompaniesByProductSegmentNetAmountAbstract |
us-gaap:DirectPremiumsEarned |
us-gaap:CededPremiumsEarned |
us-gaap:AssumedPremiumsEarned |
us-gaap:PremiumsEarnedNet |
us-gaap:PolicyholderBenefitsAndClaimsIncurredNetAbstract |
us-gaap:PolicyholderBenefitsAndClaimsIncurredGross |
us-gaap:PolicyholderBenefitsAndClaimsIncurredAssumedAndCededAbstract |
us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed |
us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded |
us-gaap:ReinsuranceCostsAndRecoveriesNet |
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet |