944000 - Disclosure - Financial Services, Insurance

Line Label Object Class Period Type Balance Report ElementName
1 944000 - Disclosure - Financial Services, Insurance Network

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 https://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance
2 Insurance [Abstract] Abstract us-gaap:InsuranceAbstract
3 Insurance Disclosure [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:InsuranceDisclosureTextBlock
4 Premiums Receivable Disclosure [Abstract] Abstract us-gaap:PremiumsReceivableDisclosureAbstract
5 Premiums Receivable Note [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:PremiumsReceivableNote
6 Premiums Receivable, Balance [Abstract] Abstract us-gaap:PremiumsReceivableBalanceAbstract
7 Premiums Receivable, Proceeds from Sale of Receivables Concept (Monetary) For Period Debit us-gaap:PremiumsReceivableProceedsFromSaleOfReceivables
8 Premiums Receivable, Gain (Loss) on Sale of Receivables Concept (Monetary) For Period Credit us-gaap:PremiumsReceivableGainLossOnSaleOfReceivables
9 Premiums Receivable, Net [Abstract] Abstract us-gaap:PremiumsReceivableNetAbstract
10 Premiums Receivable, Gross Concept (Monetary) As Of Debit us-gaap:PremiumsReceivableGross
11 Premium Receivable, Allowance for Credit Loss Concept (Monetary) As Of Credit us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts
12 Premiums Receivable, Net, Total Concept (Monetary) As Of Debit us-gaap:PremiumsReceivableAtCarryingValue
13 Premium Receivable, Allowance for Credit Loss [Roll Forward] Abstract us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsRollForward
14 Premium Receivable, Allowance for Credit Loss, Beginning Balance Concept (Monetary) As Of Credit us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts
15 Premium Receivable, Credit Loss Expense (Reversal) Concept (Monetary) For Period Debit us-gaap:PremiumReceivableCreditLossExpenseReversal
16 Premium Receivable, Allowance for Credit Loss, Writeoff Concept (Monetary) For Period Debit us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance
17 Premium Receivable, Allowance for Credit Loss, Recovery Concept (Monetary) For Period Credit us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsRecoveries
18 Premium Receivable, Allowance for Credit Loss, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease
19 Premium Receivable, Allowance for Credit Loss, Ending Balance Concept (Monetary) As Of Credit us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts
20 Reinsurance Disclosures [Abstract] Abstract us-gaap:ReinsuranceDisclosuresAbstract
21 Reinsurance [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ReinsuranceTextBlock
22 Effects of Reinsurance [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:EffectsOfReinsuranceTableTextBlock
23 Effects of Reinsurance [Table] Hypercube us-gaap:EffectsOfReinsuranceTable
24 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
25 Product and Service [Domain] Member srt:ProductsAndServicesDomain
26 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
27 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
28 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
29 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
30 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
31 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
32 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
33 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
34 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
35 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
36 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
37 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
38 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
39 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
40 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
41 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
42 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
43 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
44 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
45 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
46 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
47 Universal Life [Member] Member us-gaap:UniversalLifeMember
48 Variable Life [Member] Member us-gaap:VariableLifeMember
49 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
50 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
51 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
52 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
53 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
54 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
55 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
56 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
57 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
58 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
59 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
60 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
61 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
62 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
63 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
64 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
65 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
66 Effects of Reinsurance [Line Items] LineItems us-gaap:EffectsOfReinsuranceLineItems
67 Premiums Written and Earned [Abstract] Abstract us-gaap:PremiumsWrittenAndEarnedAbstract
68 Premiums Written and Earned, Methodology and Assumptions Concept (Text/String) For Period us-gaap:PremiumsWrittenAndEarnedMethodologyAndAssumptions
69 Premiums Written, Net [Abstract] Abstract us-gaap:PremiumsWrittenNetConsolidatedAbstract
70 Premiums Written, Gross [Abstract] Abstract us-gaap:PremiumsWrittenGrossAbstract
71 Direct Premiums Written Concept (Monetary) For Period Credit us-gaap:DirectPremiumsWritten
72 Assumed Premiums Written Concept (Monetary) For Period Credit us-gaap:AssumedPremiumsWritten
73 Premiums Written, Gross, Total Concept (Monetary) For Period Credit us-gaap:PremiumsWrittenGross
74 Ceded Premiums Written Concept (Monetary) For Period Debit us-gaap:CededPremiumsWritten
75 Premiums Written, Net, Total Concept (Monetary) For Period Credit us-gaap:PremiumsWrittenNet
76 Premiums Earned, Net [Abstract] Abstract us-gaap:ReinsurancePremiumsForInsuranceCompaniesByProductSegmentNetAmountAbstract
77 Direct Premiums Earned Concept (Monetary) For Period Credit us-gaap:DirectPremiumsEarned
78 Ceded Premiums Earned Concept (Monetary) For Period Debit us-gaap:CededPremiumsEarned
79 Assumed Premiums Earned Concept (Monetary) For Period Credit us-gaap:AssumedPremiumsEarned
80 Premiums Earned, Net, Total Concept (Monetary) For Period Credit us-gaap:PremiumsEarnedNet
81 Policyholder Benefits and Claims Incurred, Net [Abstract] Abstract us-gaap:PolicyholderBenefitsAndClaimsIncurredNetAbstract
82 Policyholder Benefits and Claims Incurred, Direct Concept (Monetary) For Period Debit us-gaap:PolicyholderBenefitsAndClaimsIncurredGross
83 Policyholder Benefits and Claims Incurred, Assumed and Ceded [Abstract] Abstract us-gaap:PolicyholderBenefitsAndClaimsIncurredAssumedAndCededAbstract
84 Policyholder Benefits and Claims Incurred, Assumed Concept (Monetary) For Period Debit us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountAssumed
85 Policyholder Benefits and Claims Incurred, Ceded Concept (Monetary) For Period Credit us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
86 Policyholder Benefits and Claims Incurred, Assumed and Ceded, Total Concept (Monetary) For Period Credit us-gaap:ReinsuranceCostsAndRecoveriesNet
87 Policyholder Benefits and Claims Incurred, Net, Total Concept (Monetary) For Period Debit us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
88 Ceded Credit Risk [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfCededCreditRiskByReinsurerTextBlock
89 Ceded Credit Risk [Table] Hypercube us-gaap:CededCreditRiskTable
90 Ceded Credit Risk, Reinsurer [Axis] Dimension us-gaap:CededCreditRiskAxis
91 Ceded Credit Risk, Reinsurer [Domain] Member us-gaap:CededCreditRiskReinsurerDomain
92 Ceded Credit Risk, Collateralization [Axis] Dimension us-gaap:CededCreditRiskCollateralizationAxis
93 Ceded Credit Risk, Collateralization [Domain] Member us-gaap:CededCreditRiskCollateralizationDomain
94 Ceded Credit Risk, Secured [Member] Member us-gaap:CededCreditRiskSecuredMember
95 Ceded Credit Risk, Unsecured [Member] Member us-gaap:CededCreditRiskUnsecuredMember
96 Credit Rating, Moody's [Axis] Dimension srt:CreditRatingMoodysAxis
97 External Credit Rating, Moody's [Domain] Member srt:ExternalCreditRatingMoodysMember
98 Moody's, Aaa Rating [Member] Member srt:MoodysAaaRatingMember
99 Moody's, Aa1 Rating [Member] Member srt:MoodysAa1RatingMember
100 Moody's, Aa2 Rating [Member] Member srt:MoodysAa2RatingMember
101 Moody's, Aa3 Rating [Member] Member srt:MoodysAa3RatingMember
102 Moody's, A1 Rating [Member] Member srt:MoodysA1RatingMember
103 Moody's, A2 Rating [Member] Member srt:MoodysA2RatingMember
104 Moody's, A3 Rating [Member] Member srt:MoodysA3RatingMember
105 Moody's, Baa1 Rating [Member] Member srt:MoodysBaa1RatingMember
106 Moody's, Baa2 Rating [Member] Member srt:MoodysBaa2RatingMember
107 Moody's, Baa3 Rating [Member] Member srt:MoodysBaa3RatingMember
108 Moody's, Ba1 Rating [Member] Member srt:MoodysBa1RatingMember
109 Moody's, Ba2 Rating [Member] Member srt:MoodysBa2RatingMember
110 Moody's, Ba3 Rating [Member] Member srt:MoodysBa3RatingMember
111 Moody's, B1 Rating [Member] Member srt:MoodysB1RatingMember
112 Moody's, B2 Rating [Member] Member srt:MoodysB2RatingMember
113 Moody's, B3 Rating [Member] Member srt:MoodysB3RatingMember
114 Moody's, Caa1 Rating [Member] Member srt:MoodysCaa1RatingMember
115 Moody's, Caa2 Rating [Member] Member srt:MoodysCaa2RatingMember
116 Moody's, Caa3 Rating [Member] Member srt:MoodysCaa3RatingMember
117 Moody's, Ca Rating [Member] Member srt:MoodysCaRatingMember
118 Moody's, C Rating [Member] Member srt:MoodysCRatingMember
119 Credit Rating, Standard & Poor's [Axis] Dimension srt:CreditRatingStandardPoorsAxis
120 External Credit Rating, Standard & Poor's [Domain] Member srt:ExternalCreditRatingStandardPoorsMember
121 Standard & Poor's, AAA Rating [Member] Member srt:StandardPoorsAAARatingMember
122 Standard & Poor's, AA+ Rating [Member] Member srt:StandardPoorsAAPlusRatingMember
123 Standard & Poor's, AA Rating [Member] Member srt:StandardPoorsAARatingMember
124 Standard & Poor's, AA- Rating [Member] Member srt:StandardPoorsAAMinusRatingMember
125 Standard & Poor's, A+ Rating [Member] Member srt:StandardPoorsAPlusRatingMember
126 Standard & Poor's, A Rating [Member] Member srt:StandardPoorsARatingMember
127 Standard & Poor's, A- Rating [Member] Member srt:StandardPoorsAMinusRatingMember
128 Standard & Poor's, BBB+ Rating [Member] Member srt:StandardPoorsBBBPlusRatingMember
129 Standard & Poor's, BBB Rating [Member] Member srt:StandardPoorsBBBRatingMember
130 Standard & Poor's, BBB- Rating [Member] Member srt:StandardPoorsBBBMinusRatingMember
131 Standard & Poor's, BB+ Rating [Member] Member srt:StandardPoorsBBPlusRatingMember
132 Standard & Poor's, BB Rating [Member] Member srt:StandardPoorsBBRatingMember
133 Standard & Poor's, BB- Rating [Member] Member srt:StandardPoorsBBMinusRatingMember
134 Standard & Poor's, B+ Rating [Member] Member srt:StandardPoorsBPlusRatingMember
135 Standard & Poor's, B Rating [Member] Member srt:StandardPoorsBRatingMember
136 Standard & Poor's, B- Rating [Member] Member srt:StandardPoorsBMinusRatingMember
137 Standard & Poor's, CCC+ Rating [Member] Member srt:StandardPoorsCCCPlusRatingMember
138 Standard & Poor's, CCC Rating [Member] Member srt:StandardPoorsCCCRatingMember
139 Standard & Poor's, CCC- Rating [Member] Member srt:StandardPoorsCCCMinusRatingMember
140 Standard & Poor's, CC Rating [Member] Member srt:StandardPoorsCCRatingMember
141 Standard & Poor's, C Rating [Member] Member srt:StandardPoorsCRatingMember
142 Standard & Poor's, D Rating [Member] Member srt:StandardPoorsDRatingMember
143 Credit Rating, AM Best [Axis] Dimension srt:CreditRatingAMBestAxis
144 Credit Rating, AM Best [Domain] Member srt:CreditRatingAMBestDomain
145 AM Best, A++ Rating [Member] Member srt:AMBestAPlusPlusRatingMember
146 AM Best, A+ Rating [Member] Member srt:AMBestAPlusRatingMember
147 AM Best, A Rating [Member] Member srt:AMBestARatingMember
148 AM Best, A- Rating [Member] Member srt:AMBestAMinusRatingMember
149 AM Best, B++ Rating [Member] Member srt:AMBestBPlusPlusRatingMember
150 AM Best, B+ Rating [Member] Member srt:AMBestBPlusRatingMember
151 AM Best, B Rating [Member] Member srt:AMBestBRatingMember
152 AM Best, B- Rating [Member] Member srt:AMBestBMinusRatingMember
153 AM Best, C++ Rating [Member] Member srt:AMBestCPlusPlusRatingMember
154 AM Best, C+ Rating [Member] Member srt:AMBestCPlusRatingMember
155 AM Best, C Rating [Member] Member srt:AMBestCRatingMember
156 AM Best, C- Rating [Member] Member srt:AMBestCMinusRatingMember
157 AM Best, D Rating [Member] Member srt:AMBestDRatingMember
158 AM Best, E Rating [Member] Member srt:AMBestERatingMember
159 AM Best, F Rating [Member] Member srt:AMBestFRatingMember
160 AM Best, S Rating [Member] Member srt:AMBestSRatingMember
161 Concentration Risk Benchmark [Axis] Dimension us-gaap:ConcentrationRiskByBenchmarkAxis
162 Concentration Risk Benchmark [Domain] Member us-gaap:ConcentrationRiskBenchmarkDomain
163 Reinsurance Recoverable Including Reinsurance Premium Paid [Member] Member us-gaap:ReinsuranceRecoverableMember
164 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments [Member] Member us-gaap:ReinsuranceRecoverableForPaidAndUnpaidClaimsAndClaimsAdjustmentsMember
165 Concentration Risk Type [Axis] Dimension us-gaap:ConcentrationRiskByTypeAxis
166 Concentration Risk Type [Domain] Member us-gaap:ConcentrationRiskTypeDomain
167 Reinsurer Concentration Risk [Member] Member us-gaap:ReinsurerConcentrationRiskMember
168 Ceded Credit Risk [Line Items] LineItems us-gaap:CededCreditRiskLineItems
169 Reinsurance Recoverables, Including Reinsurance Premium Paid [Abstract] Abstract us-gaap:ReinsuranceRecoverablesAbstract
170 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments [Abstract] Abstract us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract
171 Reinsurance Recoverable for Paid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidLosses
172 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
173 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses
174 Prepaid Reinsurance Premiums Concept (Monetary) As Of Debit us-gaap:PrepaidReinsurancePremiums
175 Reinsurance Recoverables, Including Reinsurance Premium Paid, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverables
176 Concentration Risk, Percentage Concept (dtr-types:percentItemType) For Period us-gaap:ConcentrationRiskPercentage1
177 Ceded Credit Risk, Disclosure Concept (Text/String) For Period us-gaap:ConcentrationRiskCreditRiskReinsurance
178 Reinsurance Retention Policy [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ReinsuranceRetentionPolicyTableTextBlock
179 Reinsurance Retention Policy [Table] Hypercube us-gaap:ReinsuranceRetentionPolicyTable
180 Reinsurance Policy, Type [Axis] Dimension us-gaap:ReinsurancePolicyTypeAxis
181 Reinsurance Policy [Domain] Member us-gaap:ReinsurancePolicyDomain
182 Statistical Measurement [Axis] Dimension srt:RangeAxis
183 Statistical Measurement [Domain] Member srt:RangeMember
184 Maximum [Member] Member srt:MaximumMember
185 Minimum [Member] Member srt:MinimumMember
186 Weighted Average [Member] Member srt:WeightedAverageMember
187 Median [Member] Member srt:MedianMember
188 Arithmetic Average [Member] Member srt:ArithmeticAverageMember
189 Reinsurance Retention Policy [Line Items] LineItems us-gaap:ReinsuranceRetentionPolicyLineItems
190 Reinsurance Retention Policy, Description Concept (Text/String) For Period us-gaap:ReinsuranceRetentionPolicyDescription
191 Reinsurance Retention Policy, Excess Retention, Amount Reinsured Concept (Monetary) For Period Debit us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured
192 Reinsurance Retention Policy, Reinsured Risk, Percentage Concept (dtr-types:percentItemType) For Period us-gaap:ReinsuranceRetentionPolicyReinsuredRiskPercentage
193 Reinsurance Retention Policy, Amount Retained Concept (Monetary) For Period Credit us-gaap:ReinsuranceRetentionPolicyAmountRetained
194 Reinsurance Retention Policy, Excess Retention, Percentage Concept (dtr-types:percentItemType) For Period us-gaap:ReinsuranceRetentionPolicyExcessRetentionPercentage
195 Reinsurance Transactions [Abstract] Abstract us-gaap:ReinsurancePolicyAndProceduresAbstract
196 Foreign Reinsurance Transactions Concept (Text/String) For Period us-gaap:ForeignReinsuranceTransactions
197 Reinsurance Assets [Abstract] Abstract us-gaap:ReinsuranceReceivablesAbstract
198 Reinsurance Recoverables, Gross [Abstract] Abstract us-gaap:ReinsuranceRecoverablesGrossAbstract
199 Reinsurance Recoverables on Paid Losses, Gross Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidLossesGross
200 Reinsurance Recoverables on Unpaid Losses, Gross Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnUnpaidLossesGross
201 Reinsurance Recoverables, Gross, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesGross
202 Reinsurance Recoverable, Allowance for Credit Loss [Abstract] Abstract us-gaap:ReinsuranceRecoverablesAllowanceAbstract
203 Reinsurance Recoverables on Paid Losses, Allowance Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesOnPaidLossesAllowance
204 Reinsurance Recoverables on Unpaid Losses, Allowance Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesOnUnpaidLossesAllowance
205 Reinsurance Recoverable, Allowance for Credit Loss, Total Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesAllowance
206 Reinsurance Recoverables, Including Reinsurance Premium Paid [Abstract] Abstract us-gaap:ReinsuranceRecoverablesAbstract
207 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments [Abstract] Abstract us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLossesAbstract
208 Reinsurance Recoverable for Paid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidLosses
209 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
210 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses
211 Prepaid Reinsurance Premiums Concept (Monetary) As Of Debit us-gaap:PrepaidReinsurancePremiums
212 Reinsurance Recoverables, Including Reinsurance Premium Paid, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverables
213 Reinsurance, Loss on Uncollectible Accounts in Period, Amount Concept (Monetary) For Period Debit us-gaap:ReinsuranceLossOnUncollectibleAccountsInPeriodAmount
214 Funds Held under Reinsurance Agreements, Asset Concept (Monetary) As Of Debit us-gaap:FundsHeldUnderReinsuranceAgreementsAsset
215 Reinsurance Recoverables, Case Basis Concept (Monetary) As Of Debit us-gaap:ReinsuranceReceivablesCaseBasis
216 Reinsurance Recoverables, Incurred but Not Reported Claims Concept (Monetary) As Of Debit us-gaap:ReinsuranceReceivablesIncurredButNotReportedClaims
217 Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses
218 Reinsurance Recoverables, Alternative [Abstract] Abstract us-gaap:ReinsuranceRecoverablesAlternativeAbstract
219 Reinsurance Recoverables on Paid Losses, Gross to Net [Abstract] Abstract us-gaap:ReinsuranceRecoverablesOnPaidLossesGrossToNetAbstract
220 Reinsurance Recoverables on Paid Losses, Gross Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidLossesGross
221 Reinsurance Recoverables on Paid Losses, Allowance Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesOnPaidLossesAllowance
222 Reinsurance Recoverable for Paid Claims and Claims Adjustments, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnPaidLosses
223 Reinsurance Recoverables on Unpaid Losses, Gross to Net [Abstract] Abstract us-gaap:ReinsuranceRecoverablesOnUnpaidLossesGrossToNetAbstract
224 Reinsurance Recoverables on Unpaid Losses, Gross Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesOnUnpaidLossesGross
225 Reinsurance Recoverables on Unpaid Losses, Allowance Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesOnUnpaidLossesAllowance
226 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
227 Reinsurance Recoverables, Gross to Net [Abstract] Abstract us-gaap:ReinsuranceRecoverablesGrossToNetAbstract
228 Reinsurance Recoverables, Gross Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverablesGross
229 Prepaid Reinsurance Premiums Concept (Monetary) As Of Debit us-gaap:PrepaidReinsurancePremiums
230 Reinsurance Recoverable, Allowance for Credit Loss Concept (Monetary) As Of Credit us-gaap:ReinsuranceRecoverablesAllowance
231 Reinsurance Recoverables, Including Reinsurance Premium Paid, Total Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverables
232 Reinsurance Liabilities [Abstract] Abstract us-gaap:ReinsuranceLiabilitiesAbstract
233 Assumed Liability for Unpaid Claims and Claims Adjustment Expense Concept (Monetary) As Of Credit us-gaap:AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
234 Ceded Premiums Payable Concept (Monetary) As Of Credit us-gaap:CededPremiumsPayable
235 Funds Held under Reinsurance Agreements, Liability Concept (Monetary) As Of Credit us-gaap:FundsHeldUnderReinsuranceAgreementsLiability
236 Reinsurance Payable Concept (Monetary) As Of Credit us-gaap:ReinsurancePayable
237 Foreign Reinsurance under Open Year Method [Abstract] Abstract us-gaap:ForeignReinsuranceUnderOpenYearMethodAbstract
238 Foreign Reinsurance under Open Year Method Comment Concept (Text/String) For Period us-gaap:ForeignReinsuranceUnderOpenYearMethodComment
239 Foreign Reinsurance under Open Year Method, Premiums Concept (Monetary) For Period Credit us-gaap:ForeignReinsuranceUnderOpenYearMethodPremiums
240 Foreign Reinsurance under Open Year Method, Claims Concept (Monetary) For Period Debit us-gaap:ForeignReinsuranceUnderOpenYearMethodClaims
241 Foreign Reinsurance under Open Year Method, Expense Concept (Monetary) For Period Debit us-gaap:ForeignReinsuranceUnderOpenYearMethodExpense
242 Foreign Reinsurance Transactions, Premiums Recognized as Income Concept (Monetary) For Period Credit us-gaap:ForeignReinsuranceTransactionsPremiumsRecognizedAsIncome
243 Foreign Reinsurance Transactions, Premium Additions to Underwriting Balances Concept (Monetary) For Period Credit us-gaap:ForeignReinsuranceTransactionsPremiumAdditionsToUnderwritingBalances
244 Foreign Reinsurance Transactions, Claims Recognized as Income Concept (Monetary) For Period Credit us-gaap:ForeignReinsuranceTransactionsClaimsRecognizedAsIncome
245 Foreign Reinsurance Transactions, Claims Additions to Underwriting Balances Concept (Monetary) For Period Debit us-gaap:ForeignReinsuranceTransactionsClaimsAdditionsToUnderwritingBalances
246 Foreign Reinsurance Transactions, Expense Recognized as Income Concept (Monetary) For Period Credit us-gaap:ForeignReinsuranceTransactionsExpenseRecognizedAsIncome
247 Foreign Reinsurance Transactions, Expense Additions to Underwriting Balances Concept (Monetary) For Period Debit us-gaap:ForeignReinsuranceTransactionsExpenseAdditionsToUnderwritingBalances
248 Insurance Ratios [Abstract] Abstract us-gaap:InsuranceRatiosAbstract
249 Life Insurance Assumed Ratio Concept (dtr-types:percentItemType) For Period us-gaap:LifeInsuranceAssumedRatio
250 Contracts in Force Subject to Participation through Reinsurance, Ratio Concept (dtr-types:percentItemType) For Period us-gaap:ContractsInForceSubjectToParticipationThroughReinsurancePercentage
251 Acquisition Cost Ratio Concept (dtr-types:percentItemType) For Period us-gaap:AcquisitionCostRatio
252 General and Administrative Expense Ratio Concept (dtr-types:percentItemType) For Period us-gaap:GeneralAndAdministrativeExpenseRatio
253 Underwriting Expense Ratio Concept (dtr-types:percentItemType) For Period us-gaap:UnderwritingExpenseRatio
254 Loss Ratio Concept (dtr-types:percentItemType) For Period us-gaap:LossRatio
255 Combined Ratio Concept (dtr-types:percentItemType) For Period us-gaap:CombinedRatio
256 Insurance Industry Income (Expense) [Abstract] Abstract us-gaap:InsuranceIndustryIncomeExpenseAbstract
257 Other Income Concept (Monetary) For Period Credit us-gaap:OtherIncome
258 Other Expenses [Abstract] Abstract us-gaap:OtherExpensesAbstract
259 Present Value of Future Insurance Profits, Amortization Expense Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpense1
260 Insurance Tax Concept (Monetary) For Period Debit us-gaap:InsuranceTax
261 Deferred Policy Acquisition Costs, Amortization Expense Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
262 Other Expenses, Total Concept (Monetary) For Period Debit us-gaap:OtherExpenses
263 Policyholder Account Balance, Interest Expense Concept (Monetary) For Period Debit us-gaap:InterestCreditedToPolicyholdersAccountBalances
264 Other Cost and Expense, Operating Concept (Monetary) For Period Debit us-gaap:OtherCostAndExpenseOperating
265 Operating Expenses Concept (Monetary) For Period Debit us-gaap:OperatingExpenses
266 Deferred Charges, Insurers [Abstract] Abstract us-gaap:DeferredChargesInsurersAbstract
267 Deferred Policy Acquisition Costs Disclosures [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostsDisclosuresAbstract
268 Deferred Policy Acquisition Costs [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:DeferredPolicyAcquisitionCostsTextBlock1
269 Deferred Policy Acquisition Costs [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:DeferredPolicyAcquisitionCostsTableTextBlock
270 Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Abstract us-gaap:MovementAnalysisOfDeferredPolicyAcquisitionCostsRollForward
271 Deferred Policy Acquisition Cost, Beginning Balance Concept (Monetary) As Of Debit us-gaap:DeferredPolicyAcquisitionCosts
272 Deferred Policy Acquisition Cost, Capitalization Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAdditions
273 Deferred Policy Acquisition Costs, Disposition Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostsDisposition
274 Deferred Policy Acquisition Costs, Amortization Expense [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostAmortizationExpenseAbstract
275 Deferred Policy Acquisition Costs, Amortization Expense, Accrued Interest Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAmortizationExpenseAccruedInterest
276 Deferred Policy Acquisition Costs, Amortization Expense, Excluding Accrued Interest [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostsAmortizationExpenseExcludingAccruedInterestAbstract
277 Deferred Policy Acquisition Cost, Amortization Expense, Net Investment Gains (Losses) Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpenseNetInvestmentGainsLosses
278 Deferred Policy Acquisition Cost, Amortization Expense, Effect of Adjustments to Estimated Gross Profit or Estimated Gross Margin Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpenseEffectOfAdjustmentsToEstimatedGrossProfitOrEstimatedGrossMargin
279 Deferred Policy Acquisition Cost, Amortization Expense, Assumption Change Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpenseAssumptionChange
280 Deferred Policy Acquisition Cost, Amortization Expense, Other Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpenseOther
281 Deferred Policy Acquisition Costs, Amortization Expense, Excluding Accrued Interest, Total Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAmortizationExpenseExcludingAccruedInterest
282 Deferred Policy Acquisition Costs, Amortization Expense, Total Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense
283 Deferred Policy Acquisition Cost, Unrealized Investment Gain (Loss) Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostUnrealizedInvestmentGainLoss
284 Deferred Policy Acquisition Costs, Foreign Currency Translation Gain (Loss) Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostForeignCurrencyTranslationGainLoss
285 Deferred Policy Acquisition Cost, Foreign Currency Translation Adjustment and Other Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostForeignCurrencyTranslationAdjustmentAndOther
286 Deferred Policy Acquisition Costs, Impairment Loss Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsImpairmentLoss
287 Deferred Policy Acquisition Costs, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease
288 Deferred Policy Acquisition Cost, Ending Balance Concept (Monetary) As Of Debit us-gaap:DeferredPolicyAcquisitionCosts
289 Present Value of Future Insurance Profits [Abstract] Abstract us-gaap:PresentValueOfFutureInsuranceProfitsAbstract
290 Present Value of Future Insurance Profits [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:PresentValueOfFutureInsuranceProfitsTextBlock
291 Present Value of Future Insurance Profits [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:PresentValueOfFutureInsuranceProfitsTableTextBlock
292 Present Value of Future Insurance Profits, Net [Abstract] Abstract us-gaap:PresentValueOfFutureInsuranceProfitsNetAbstract
293 Present Value of Future Insurance Profits, Gross Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsGross
294 Present Value of Future Insurance Profits, Accumulated Amortization Concept (Monetary) As Of Credit us-gaap:PresentValueOfFutureInsuranceProfitsAccumulatedAmortization
295 Present Value of Future Insurance Profits, Net, Total Concept (Monetary) As Of Debit us-gaap:ValueOfBusinessAcquiredVOBA
296 Present Value of Future Insurance Profits, Weighted Average Amortization Period Concept (xbrli:durationItemType) For Period us-gaap:PresentValueOfFutureInsuranceProfitsWeightedAverageAmortizationPeriod
297 Effects of Unrealized Holding Gain (Loss) on Present Value of Future Insurance Profits Concept (Monetary) For Period Credit us-gaap:EffectsOfUnrealizedHoldingGainLossOnPresentValueOfFutureInsuranceProfits1
298 Interest Accrual Rate Associated with Amortization Method of Present Value of Future Insurance Profits Concept (dtr-types:percentItemType) For Period us-gaap:InterestAccrualRateAssociatedWithAmortizationMethodOfPresentValueOfFutureInsuranceProfits
299 Present Value of Future Insurance Profits, Expected Amortization [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:PresentValueOfFutureInsuranceProfitsExpectedAmortizationTableTextBlock
300 Present Value of Future Insurance Profits, Expected Amortization, Next Five Years [Abstract] Abstract us-gaap:ExpectedAmortizationExpenseOfEndingPresentValueOfFutureInsuranceProfitsNetOfInterestAccruedAbstract
301 Present Value of Future Insurance Profits, Expected Amortization, Year One Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearOne
302 Present Value of Future Insurance Profits, Expected Amortization, Year Two Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearTwo
303 Present Value of Future Insurance Profits, Expected Amortization, Year Three Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearThree
304 Present Value of Future Insurance Profits, Expected Amortization, Year Four Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearFour
305 Present Value of Future Insurance Profits, Expected Amortization, Year Five Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseYearFive
306 Present Value of Future Insurance Profits, Expected Amortization, Remainder of Fiscal Year Concept (Monetary) As Of Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseRemainderOfFiscalYear
307 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Next Five Years [Abstract] Abstract us-gaap:PercentageOfAmountAmortizedDuringNextFiveYearsAbstract
308 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Year One Concept (dtr-types:percentItemType) As Of us-gaap:PresentValueOfFutureInsuranceProfitsPercentageOfAmortizationExpenseYearOne
309 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Year Two Concept (dtr-types:percentItemType) As Of us-gaap:PresentValueOfFutureInsuranceProfitsPercentageOfAmortizationExpenseYearTwo
310 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Year Three Concept (dtr-types:percentItemType) As Of us-gaap:PresentValueOfFutureInsuranceProfitsPercentageOfAmortizationExpenseYearThree
311 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Year Four Concept (dtr-types:percentItemType) As Of us-gaap:PresentValueOfFutureInsuranceProfitsPercentageOfAmortizationExpenseYearFour
312 Present Value of Future Insurance Profits, Expected Amortization, Percentage, Year Five Concept (dtr-types:percentItemType) As Of us-gaap:PresentValueOfFutureInsuranceProfitsPercentageOfAmortizationExpenseYearFive
313 Movement in Present Value of Future Insurance Profits [Roll Forward] Abstract us-gaap:MovementInPresentValueOfFutureInsuranceProfitsRollForward
314 Present Value of Future Insurance Profits, Net, Beginning Balance Concept (Monetary) As Of Debit us-gaap:ValueOfBusinessAcquiredVOBA
315 Present Value of Future Insurance Profits, Addition from Acquisition Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAdditionsFromAcquisitions
316 Present Value of Future Insurance Profits, Disposition Concept (Monetary) For Period Credit us-gaap:PresentValueOfFutureInsuranceProfitsDisposition
317 Present Value of Future Insurance Profits, Amortization Expense [Abstract] Abstract us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseAbstract
318 Present Value of Future Insurance Profits, Amortization Expense, Accrued Interest Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseAccruedInterest
319 Present Value of Future Insurance Profits, Amortization Expense, Excluding Accrued Interest [Abstract] Abstract us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseExcludingAccruedInterestAbstract
320 Present Value of Future Insurance Profits, Amortization Expense, Realized Gain (Loss) Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseRealizedGainLoss
321 Present Value of Future Insurance Profits, Amortization Expense, Assumption Change Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseAssumptionChange
322 Present Value of Future Insurance Profits, Amortization Expense, Excluding Accrued Interest, Total Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpenseExcludingAccruedInterest
323 Present Value of Future Insurance Profits, Amortization Expense, Total Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsAmortizationExpense1
324 Present Value of Future Insurance Profits, Impairment Loss Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsImpairmentWritedown1
325 Present Value of Future Insurance Profits, Impairment, Description Concept (Text/String) For Period us-gaap:MethodOfDeterminingImpairmentsOfPresentValueOfFutureInsuranceProfits
326 Present Value of Future Insurance Profits, Unrealized Gain (Loss) on Investment [Abstract] Abstract us-gaap:PresentValueOfFutureInsuranceProfitsUnrealizedGainLossOnInvestmentAbstract
327 Present Value of Future Insurance Profits, Unrealized Investment Gain Concept (Monetary) For Period Credit us-gaap:PresentValueOfFutureInsuranceProfitsUnrealizedInvestmentGains1
328 Present Value of Future Insurance Profits, Unrealized Investment Loss Concept (Monetary) For Period Debit us-gaap:PresentValueOfFutureInsuranceProfitsUnrealizedInvestmentLosses1
329 Present Value of Future Insurance Profits, Unrealized Gain (Loss) on Investment, Total Concept (Monetary) For Period Credit us-gaap:PresentValueOfFutureInsuranceProfitsUnrealizedGainLossOnInvestment
330 Present Value of Future Insurance Profits, Foreign Currency Translation Gain (Loss) Concept (Monetary) For Period Credit us-gaap:PresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss
331 Present Value of Future Insurance Profits, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:PresentValueOfFutureInsuranceProfitsPeriodIncreaseDecrease
332 Present Value of Future Insurance Profits, Net, Ending Balance Concept (Monetary) As Of Debit us-gaap:ValueOfBusinessAcquiredVOBA
333 Deferred Policy Acquisition Costs and Present Value of Future Profits [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAbstract
334 Movement Analysis of Deferred Policy Acquisition Costs and Present Value of Future Profits [Roll Forward] Abstract us-gaap:MovementAnalysisOfDeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsRollForward
335 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Beginning Balance Concept (Monetary) As Of Debit us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
336 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Addition Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAdditions
337 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Disposition Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsDisposition
338 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseAbstract
339 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, Accrued Interest Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseAccruedInterest
340 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, Excluding Accrued Interest [Abstract] Abstract us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseExcludingAccruedInterestAbstract
341 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, Realized Gain (Loss) Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseRealizedGainLoss
342 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, Assumption Change Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseAssumptionChange
343 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization Expense, Excluding Accrued Interest, Total Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsAmortizationExpenseExcludingAccruedInterest
344 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Amortization, Total Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1
345 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Unrealized Gain (Loss) on Investment Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsUnrealizedGainLossOnInvestment
346 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Foreign Currency Translation Gain (Loss) Concept (Monetary) For Period Credit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss
347 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Impairment Loss Concept (Monetary) For Period Debit us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsImpairmentLoss
348 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsPeriodIncreaseDecrease
349 Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance Concept (Monetary) As Of Debit us-gaap:DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired
350 Deferred Sales Inducements [Abstract] Abstract us-gaap:DeferredSalesInducementsAbstract
351 Deferred Sale Inducement Cost [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:DeferredSalesInducementsTableTextBlock
352 Movement in Deferred Sales Inducements [Roll Forward] Abstract us-gaap:MovementInDeferredSalesInducementsRollForward
353 Deferred Sale Inducement Cost, Beginning Balance Concept (Monetary) As Of Debit us-gaap:DeferredSalesInducementsNet
354 Deferred Sale Inducement Cost, Capitalization Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementsAdditions
355 Deferred Sales Inducement Cost, Disposition Concept (Monetary) For Period Credit us-gaap:DeferredSalesInducementCostDisposition
356 Deferred Sales Inducement Cost, Amortization Expense [Abstract] Abstract us-gaap:DeferredSalesInducementCostAmortizationExpenseAbstract
357 Deferred Sales Inducement Cost, Amortization Expense, Accrued Interest Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementCostAmortizationExpenseAccruedInterest
358 Deferred Sales Inducement Cost, Amortization Expense, Excluding Accrued Interest [Abstract] Abstract us-gaap:DeferredSalesInducementCostAmortizationExpenseExcludingAccruedInterestAbstract
359 Deferred Sales Inducement Cost, Amortization Expense, Realized Gain (Loss) Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementCostAmortizationExpenseRealizedGainLoss
360 Deferred Sales Inducement Cost, Amortization Expense, Assumption Change Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementCostAmortizationExpenseAssumptionChange
361 Deferred Sales Inducement Cost, Amortization Expense, Excluding Accrued Interest, Total Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementCostAmortizationExpenseExcludingAccruedInterest
362 Deferred Sales Inducement Cost, Amortization Expense, Total Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementsAmortizationExpense
363 Deferred Sales Inducement Cost, Unrealized Gain (Loss) on Investment Concept (Monetary) For Period Credit us-gaap:DeferredSalesInducementCostUnrealizedGainLossOnInvestment
364 Deferred Sales Inducement Cost, Foreign Currency Translation Gain (Loss) Concept (Monetary) For Period Credit us-gaap:DeferredSalesInducementCostForeignCurrencyTranslationGainLoss
365 Deferred Sales Inducement Cost, Impairment Loss Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementCostImpairmentLoss
366 Deferred Sales Inducement Cost, Other Increase (Decrease) Concept (Monetary) For Period Debit us-gaap:DeferredSalesInducementsAdjustments
367 Deferred Sales Inducements, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:DeferredSalesInducementsPeriodIncreaseDecrease
368 Deferred Sale Inducement Cost, Ending Balance Concept (Monetary) As Of Debit us-gaap:DeferredSalesInducementsNet
369 Insurance Loss Reserves [Abstract] Abstract us-gaap:InsuranceLossReservesAbstract
370 Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense [Abstract] Abstract us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpenseAbstract
371 Liability for Future Policy Benefit, before Reinsurance [Abstract] Abstract us-gaap:LiabilityForFuturePolicyBenefitsAbstract
372 Liability for Future Policy Benefits, Life Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefitsLife
373 Liability for Future Policy Benefits, Individual and Group Annuities and Supplementary Contracts Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefitsIndividualAndGroupAnnuitiesAndSupplementaryContracts
374 Liability for Future Policy Benefits, Disability and Accident Benefits Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefitsDisabilityAndAccidentBenefits
375 Liability for Future Policy Benefits, Other Contracts Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefitsOtherContracts
376 Liability for Future Policy Benefit, before Reinsurance, Total Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefits
377 Guaranteed Interest Contracts Concept (Monetary) As Of Credit us-gaap:GuaranteedInterestContracts
378 Reinsurance Payable Concept (Monetary) As Of Credit us-gaap:ReinsurancePayable
379 Liability for Claims and Claims Adjustment Expense [Abstract] Abstract us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpenseAbstract
380 Liability for Claims and Claims Adjustment Expense, Methodologies and Assumptions Concept (Text/String) For Period us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpenseMethodologiesAndAssumptions
381 Liability for Claims and Claims Adjustment Expense, Property Casualty Liability Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability
382 Liability for Claims and Claims Adjustment Expense, Disability, Accident and Health Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpenseDisabilityAccidentAndHealth
383 Liability for Claims and Claims Adjustment Expense, Financial Guarantee Insurance Contracts Concept (Monetary) As Of Credit us-gaap:LiabilityNetForClaimsAndClaimsAdjustmentExpenseFinancialGuaranteeInsuranceContracts
384 Liability for Title Claims and Claims Adjustment Expense Concept (Monetary) As Of Credit us-gaap:LiabilityForTitleClaimsAndClaimsAdjustmentExpense
385 Liability for Claims and Claims Adjustment Expense, Total Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
386 Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense, Total Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense
387 Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock
388 Schedule of Liability for Future Policy Benefits, by Product Segment [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfLiabilityForFuturePolicyBenefitsByProductSegmentTextBlock
389 Liability for Future Policy Benefit, by Product Segment [Table] Hypercube us-gaap:LiabilityForFuturePolicyBenefitByProductSegmentTable
390 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
391 Product and Service [Domain] Member srt:ProductsAndServicesDomain
392 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
393 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
394 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
395 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
396 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
397 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
398 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
399 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
400 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
401 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
402 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
403 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
404 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
405 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
406 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
407 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
408 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
409 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
410 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
411 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
412 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
413 Universal Life [Member] Member us-gaap:UniversalLifeMember
414 Variable Life [Member] Member us-gaap:VariableLifeMember
415 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
416 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
417 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
418 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
419 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
420 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
421 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
422 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
423 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
424 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
425 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
426 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
427 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
428 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
429 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
430 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
431 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
432 Statistical Measurement [Axis] Dimension srt:RangeAxis
433 Statistical Measurement [Domain] Member srt:RangeMember
434 Maximum [Member] Member srt:MaximumMember
435 Minimum [Member] Member srt:MinimumMember
436 Weighted Average [Member] Member srt:WeightedAverageMember
437 Median [Member] Member srt:MedianMember
438 Arithmetic Average [Member] Member srt:ArithmeticAverageMember
439 Liability for Future Policy Benefit, by Product Segment [Line Items] LineItems us-gaap:LiabilityForFuturePolicyBenefitByProductSegmentLineItems
440 Liability for Future Policy Benefits and Policyholder Contract Deposits, Assumptions [Abstract] Abstract us-gaap:LiabilityForFuturePolicyBenefitsAndPolicyholderContractDepositsAssumptionsAbstract
441 Liability for Future Policy Benefits, Assumptions [Abstract] Abstract us-gaap:LiabilityForFuturePolicyBenefitsAssumptionsAbstract
442 Liability for Future Policy Benefits, Methodology and Assumptions Concept (Text/String) For Period us-gaap:LiabilityForFuturePolicyBenefitsMethodologyAndAssumptions
443 Liability for Future Policy Benefits, Interest Rate Assumption Concept (Text/String) For Period us-gaap:LiabilityForFuturePolicyBenefitsInterestRateAssumption
444 Liability for Future Policy Benefits, Interest Rate Concept (dtr-types:percentItemType) As Of us-gaap:LiabilityForFuturePolicyBenefitsInterestRate
445 Mortality, Morbidity and Surrender Rate Assumption Concept (Text/String) For Period us-gaap:MortalityMorbidityAndSurrenderRateAssumption
446 Liability for Policyholder Contract Deposits, Assumptions [Abstract] Abstract us-gaap:LiabilityForPolicyholderContractDepositsAssumptionsAbstract
447 Liability for Policyholder Contract Deposits, General Assumptions Concept (Text/String) For Period us-gaap:LiabilityForPolicyholderContractDepositsGeneralAssumptions
448 Liability for Policyholder Contract Deposits, Interest Rate Concept (dtr-types:percentItemType) As Of us-gaap:LiabilityForPolicyholderContractDepositsInterestRate
449 Policyholder Contract Deposit Concept (Monetary) As Of Credit us-gaap:PolicyholderContractDeposits
450 Liability for Future Policy Benefit by Product Segment, Policy Issue Year Range Concept (Text/String) For Period us-gaap:LiabilityForFuturePolicyBenefitByProductSegmentPolicyIssueYearRange
451 Liability for Future Policy Benefit by Product Segment, Interest Rate, Year of Issue Concept (dtr-types:percentItemType) For Period us-gaap:LiabilityForFuturePolicyBenefitByProductSegmentInterestRateYearOfIssue
452 Participating Insurance [Abstract] Abstract us-gaap:ParticipatingPoliciesAbstract
453 Participating Insurance, Percentage of Gross Insurance in Force Concept (dtr-types:percentItemType) As Of us-gaap:ParticipatingPoliciesAsPercentageOfGrossInsuranceInForce
454 Participating Insurance, Percentage of Premium Income Concept (dtr-types:percentItemType) For Period us-gaap:ParticipatingPolicyPercentageOfPremiumIncome
455 Participating Insurance, Amount in Force Concept (Monetary) As Of Credit us-gaap:ParticipatingPoliciesAmountInForce
456 Participating Insurance, Additional Income Allocated Concept (Monetary) For Period Debit us-gaap:ParticipatingPoliciesAdditionalIncomeAllocated
457 Policyholder Dividends, Expense Concept (Monetary) For Period Debit us-gaap:PolicyholderDividends
458 Policyholder Dividends, Rate on Policy Earnings Concept (dtr-types:percentItemType) For Period us-gaap:PolicyholderDividendsRateOnPolicyEarnings
459 Life Premiums as Percentage of Gross Premiums Concept (dtr-types:percentItemType) For Period us-gaap:LifePremiumsAsPercentageOfGrossPremiums
460 Liability for Future Policy Benefits Activity [Abstract] Abstract us-gaap:LiabilityForFuturePolicyBenefitsActivityAbstract
461 Movement in Liability for Future Policy Benefits [Roll Forward] Abstract us-gaap:MovementInLiabilityForFuturePolicyBenefitsRollForward
462 Liability for Future Policy Benefit, before Reinsurance, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefits
463 Liability for Future Policy Benefits, Period Expense (Income) Concept (Monetary) For Period Debit us-gaap:LiabilityForFuturePolicyBenefitsPeriodExpense
464 Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment Concept (Monetary) For Period Credit us-gaap:LiabilityForFuturePolicyBenefitsPaymentForBenefits
465 Liability for Future Policy Benefits, Contract Terminations Concept (Monetary) For Period Credit us-gaap:LiabilityForFuturePolicyBenefitsContractTerminations1
466 Liability for Future Policy Benefits, Other Increase (Decrease) Concept (Monetary) For Period Credit us-gaap:LiabilityForFuturePolicyBenefitsOtherIncreaseDecrease
467 Liability for Future Policy Benefits, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:LiabilityForFuturePolicyBenefitsPeriodIncreaseDecrease
468 Liability for Future Policy Benefit, before Reinsurance, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForFuturePolicyBenefits
469 Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract] Abstract us-gaap:RollForwardInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract
470 Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
471 Liability for Claims and Claims Adjustment Expense [Table] Hypercube us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpenseTable
472 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
473 Product and Service [Domain] Member srt:ProductsAndServicesDomain
474 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
475 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
476 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
477 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
478 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
479 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
480 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
481 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
482 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
483 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
484 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
485 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
486 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
487 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
488 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
489 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
490 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
491 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
492 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
493 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
494 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
495 Universal Life [Member] Member us-gaap:UniversalLifeMember
496 Variable Life [Member] Member us-gaap:VariableLifeMember
497 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
498 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
499 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
500 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
501 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
502 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
503 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
504 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
505 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
506 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
507 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
508 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
509 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
510 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
511 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
512 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
513 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
514 Liability for Claims and Claims Adjustment Expense [Line Items] LineItems us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems
515 Liability for Unpaid Claims and Claims Adjustment Expense, Reported Claims, Amount Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseReportedClaimsAmount
516 Liability for Unpaid Claims and Claims Adjustment Expense, Incurred but Not Reported (IBNR) Claims, Amount Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
517 Liability for Claims and Claims Adjustment Expense, Total Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
518 Liability for Unpaid Claims and Claims Adjustment Expense Schedule, Discussion Concept (Text/String) For Period us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseScheduleDiscussion
519 Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Abstract us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetAbstract
520 Liability for Claims and Claims Adjustment Expense, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
521 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Beginning Balance Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
522 Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments
523 Liability for Unpaid Claims and Claims Adjustment Expense, Net, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
524 Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease) [Abstract] Abstract us-gaap:MovementInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNetRollForward
525 Liability for Unpaid Claims and Claims Adjustment Expense, Business Acquisitions Concept (Monetary) For Period Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions
526 Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss) Concept (Monetary) For Period Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss
527 Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract] Abstract us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract
528 Current Year Claims and Claims Adjustment Expense Concept (Monetary) For Period Debit us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
529 Prior Year Claims and Claims Adjustment Expense Concept (Monetary) For Period Debit us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
530 Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims, Total Concept (Monetary) For Period Debit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
531 Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract] Abstract us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract
532 Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year Concept (Monetary) For Period Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
533 Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years Concept (Monetary) For Period Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
534 Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Total Concept (Monetary) For Period Credit us-gaap:PaymentsForLossesAndLossAdjustmentExpense
535 Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease
536 Liability for Unpaid Claims and Claims Adjustment Expense, Net, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
537 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments, Ending Balance Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
538 Liability for Unpaid Claims and Claims Adjustment Expense, Adjustments, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments
539 Liability for Claims and Claims Adjustment Expense, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
540 Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Abstract] Abstract us-gaap:CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAbstract
541 Schedule of Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfCausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTextBlock
542 Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Table] Hypercube us-gaap:CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTable
543 Catastrophic Event [Axis] Dimension us-gaap:LiabilityForCatastropheClaimsByCatastrophicEventAxis
544 Catastrophic Event [Domain] Member us-gaap:CatastrophicEventDomain
545 Catastrophe [Member] Member us-gaap:CatastropheMember
546 Hurricane [Member] Member us-gaap:HurricaneMember
547 Earthquake [Member] Member us-gaap:EarthquakeMember
548 Tsunami [Member] Member us-gaap:TsunamiMember
549 Tornado [Member] Member us-gaap:TornadoMember
550 Flood [Member] Member us-gaap:FloodMember
551 Explosion [Member] Member us-gaap:ExplosionMember
552 Fire [Member] Member us-gaap:FireMember
553 Asbestos Issue [Member] Member us-gaap:AsbestosIssueMember
554 Environmental Issue [Member] Member us-gaap:EnvironmentalIssueMember
555 Noncatastrophic Event [Axis] Dimension us-gaap:NoncatastrophicEventAxis
556 Noncatastrophic Event [Domain] Member us-gaap:NoncatastrophicEventDomain
557 Catastrophe [Member] Member us-gaap:CatastropheMember
558 Hurricane [Member] Member us-gaap:HurricaneMember
559 Earthquake [Member] Member us-gaap:EarthquakeMember
560 Tsunami [Member] Member us-gaap:TsunamiMember
561 Tornado [Member] Member us-gaap:TornadoMember
562 Flood [Member] Member us-gaap:FloodMember
563 Explosion [Member] Member us-gaap:ExplosionMember
564 Fire [Member] Member us-gaap:FireMember
565 Asbestos Issue [Member] Member us-gaap:AsbestosIssueMember
566 Environmental Issue [Member] Member us-gaap:EnvironmentalIssueMember
567 Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items] LineItems us-gaap:CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseLineItems
568 Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense, Description Concept (Text/String) For Period us-gaap:CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDescription
569 Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense, Premium, Description Concept (Text/String) For Period us-gaap:CausesOfIncreaseDecreaseInLiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePremiumDescription
570 Liability for Catastrophe Claims Disclosure [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:LiabilityForCatastropheClaimsDisclosureTextBlock
571 Liability for Catastrophe Claims [Table] Hypercube us-gaap:LiabilityForCatastropheClaimsTable
572 Catastrophic Event [Axis] Dimension us-gaap:LiabilityForCatastropheClaimsByCatastrophicEventAxis
573 Catastrophic Event [Domain] Member us-gaap:CatastrophicEventDomain
574 Catastrophe [Member] Member us-gaap:CatastropheMember
575 Hurricane [Member] Member us-gaap:HurricaneMember
576 Earthquake [Member] Member us-gaap:EarthquakeMember
577 Tsunami [Member] Member us-gaap:TsunamiMember
578 Tornado [Member] Member us-gaap:TornadoMember
579 Flood [Member] Member us-gaap:FloodMember
580 Explosion [Member] Member us-gaap:ExplosionMember
581 Fire [Member] Member us-gaap:FireMember
582 Asbestos Issue [Member] Member us-gaap:AsbestosIssueMember
583 Environmental Issue [Member] Member us-gaap:EnvironmentalIssueMember
584 Segments [Axis] Dimension us-gaap:StatementBusinessSegmentsAxis
585 Segments [Domain] Member us-gaap:SegmentDomain
586 Other Segments [Member] Member us-gaap:AllOtherSegmentsMember
587 Corporate Segment [Member] Member us-gaap:CorporateMember
588 Corporate and Other [Member] Member us-gaap:CorporateAndOtherMember
589 Liability for Catastrophe Claims [Line Items] LineItems us-gaap:LiabilityForCatastropheClaimsLineItems
590 Liability for Catastrophe Claims, Carrying Amount Concept (Monetary) As Of Credit us-gaap:LiabilityForCatastropheClaimsCarryingAmount
591 Liability for Asbestos and Environmental Claims [Abstract] Abstract us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsAbstract
592 Liability for Asbestos and Environmental Claims, Description Concept (Text/String) For Period us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsDescription
593 Movement in Liability for Asbestos and Environmental Claims [Abstract] Abstract us-gaap:MovementInLiabilityForAsbestosAndEnvironmentalClaimsAbstract
594 Liability for Asbestos and Environmental Claims [Roll Forward] Abstract us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsRollForward
595 Liability for Asbestos and Environmental Claims, Gross, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGross
596 Liability for Asbestos and Environmental Claims, Gross, Incurred Loss Concept (Monetary) For Period Debit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossIncurredLoss1
597 Liability for Asbestos and Environmental Claims, Gross, Payment for Claims Concept (Monetary) For Period Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossPaymentForClaims
598 Liability for Asbestos and Environmental Claims, Gross, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGrossPeriodIncreaseDecrease
599 Liability for Asbestos and Environmental Claims, Gross, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsGross
600 Liability for Asbestos and Environmental Claims, Net [Roll Forward] Abstract us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNetRollForward
601 Liability for Asbestos and Environmental Claims, Net, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNet
602 Liability for Asbestos and Environmental Claims, Net, Incurred Loss Concept (Monetary) For Period Debit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNetIncurredLoss1
603 Liability for Asbestos and Environmental Claims, Net, Payment for Claims Concept (Monetary) For Period Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNetPaymentForClaims
604 Liability for Asbestos and Environmental Claims, Net, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNetPeriodIncreaseDecrease
605 Liability for Asbestos and Environmental Claims, Net, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilityForAsbestosAndEnvironmentalClaimsNet
606 Salvage and Subrogation Recoveries [Abstract] Abstract us-gaap:SalvageAndSubrogationRecoveriesAbstract
607 Salvage and Subrogation Recoveries, Description Concept (Text/String) For Period us-gaap:SalvageAndSubrogationRecoveriesDescription
608 Salvage and Subrogation Recoveries, Value Concept (Monetary) As Of Debit us-gaap:SalvageAndSubrogationRecoveriesValue
609 Workers' Compensation Discount [Abstract] Abstract us-gaap:WorkersCompensationDiscountAbstract
610 Workers' Compensation Discount, Percent Concept (dtr-types:percentItemType) For Period us-gaap:WorkersCompensationDiscountPercent
611 Workers' Compensation Discount, Amount Concept (Monetary) As Of Debit us-gaap:WorkersCompensationDiscountAmount
612 Workers' Compensation Discount, Prior Year Amount Concept (Monetary) As Of Debit us-gaap:WorkersCompensationDiscountPriorYearAmount
613 Long-Duration Insurance Contracts Disclosure [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:LongDurationInsuranceContractsDisclosureTextBlock
614 Schedule of Minimum Guaranteed Benefit Liabilities [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfMinimumGuaranteedBenefitLiabilitiesTextBlock
615 Liabilities for Guarantees on Long-Duration Contracts [Table] Hypercube us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsTable
616 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
617 Product and Service [Domain] Member srt:ProductsAndServicesDomain
618 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
619 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
620 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
621 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
622 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
623 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
624 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
625 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
626 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
627 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
628 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
629 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
630 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
631 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
632 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
633 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
634 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
635 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
636 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
637 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
638 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
639 Universal Life [Member] Member us-gaap:UniversalLifeMember
640 Variable Life [Member] Member us-gaap:VariableLifeMember
641 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
642 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
643 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
644 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
645 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
646 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
647 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
648 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
649 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
650 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
651 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
652 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
653 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
654 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
655 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
656 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
657 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
658 Guaranteed Insurance Contract, Type of Benefit [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfBenefitAxis
659 Guaranteed Insurance Contract, Type of Benefit [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfBenefitDomain
660 Guaranteed Minimum Death Benefit [Member] Member us-gaap:GuaranteedMinimumDeathBenefitMember
661 Guaranteed Minimum Income Benefit [Member] Member us-gaap:GuaranteedMinimumIncomeBenefitMember
662 Guaranteed Minimum Accumulation Benefit [Member] Member us-gaap:GuaranteedMinimumAccumulationBenefitMember
663 Guaranteed Minimum Withdrawal Benefit [Member] Member us-gaap:GuaranteedMinimumWithdrawalBenefitMember
664 Guaranteed Lifetime Withdrawal Benefit [Member] Member us-gaap:GuaranteedLifetimeWithdrawalBenefitMember
665 Annuitization Benefit [Member] Member us-gaap:AnnuitizationBenefitMember
666 Guaranteed Insurance Contract, Type of Guarantee [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeAxis
667 Guaranteed Insurance Contract, Type of Guarantee [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain
668 Return of Net Deposit [Member] Member us-gaap:ReturnOfNetDepositMember
669 Return of Highest Anniversary Value [Member] Member us-gaap:ReturnOfHighestAnniversaryValueMember
670 Return of Net Deposits Accrued at Stated Rate [Member] Member us-gaap:ReturnOfNetDepositsAccruedAtStatedRateMember
671 Liabilities for Guarantees on Long-Duration Contracts [Line Items] LineItems us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsLineItems
672 Liabilities for Guarantees on Long-Duration Contracts, Reinsurance Recoverable Concept (Monetary) As Of Debit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsReinsuranceRecoverable
673 Movement in Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross [Roll Forward] Abstract us-gaap:MovementInGuaranteedBenefitLiabilityGrossRollForward
674 Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross, Beginning Balance Concept (Monetary) As Of Credit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsGuaranteedBenefitLiabilityGross
675 Liabilities for Guarantees on Long-Duration Contracts, Incurred Benefits Concept (Monetary) For Period Debit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsIncurredBenefits1
676 Liabilities for Guarantees on Long-Duration Contracts, Payment for Benefits Concept (Monetary) For Period Credit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsPaymentForBenefits
677 Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:GuaranteedBenefitLiabilityGrossPeriodIncreaseDecrease
678 Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Gross, Ending Balance Concept (Monetary) As Of Credit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsGuaranteedBenefitLiabilityGross
679 Liabilities for Guarantees on Long-Duration Contracts, Guaranteed Benefit Liability, Net Concept (Monetary) As Of Credit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsGuaranteedBenefitLiabilityNet
680 Liabilities for Guarantees on Long-Duration Contracts, Other Liability Adjustments Concept (Monetary) For Period Credit us-gaap:LiabilitiesForGuaranteesOnLongDurationContractsOtherLiabilityAdjustments
681 Guaranteed Benefit Liability, Net Concept (Monetary) As Of Credit us-gaap:GuaranteedBenefitLiabilityNet
682 Reinsurance Recoverable, Guarantee Benefit Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableGuaranteeBenefits
683 Long-Duration Contracts, Assumptions Supporting Guarantee Obligations [Abstract] Abstract us-gaap:LongDurationContractsAssumptionsSupportingGuaranteeObligationsAbstract
684 Long-Duration Contracts, Assumptions Underlying Guarantee Obligations [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:LongDurationContractsAssumptionsUnderlyingGuaranteeObligations
685 Schedule of Assumptions for Long-Duration Contracts by Product and Guarantee [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfAssumptionsForLongDurationContractsByProductAndGuaranteeTextBlock
686 Long-Duration Contracts, Assumptions, by Product and Guarantee [Table] Hypercube us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeTable
687 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
688 Product and Service [Domain] Member srt:ProductsAndServicesDomain
689 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
690 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
691 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
692 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
693 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
694 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
695 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
696 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
697 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
698 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
699 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
700 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
701 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
702 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
703 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
704 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
705 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
706 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
707 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
708 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
709 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
710 Universal Life [Member] Member us-gaap:UniversalLifeMember
711 Variable Life [Member] Member us-gaap:VariableLifeMember
712 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
713 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
714 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
715 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
716 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
717 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
718 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
719 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
720 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
721 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
722 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
723 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
724 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
725 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
726 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
727 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
728 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
729 Guaranteed Insurance Contract, Type of Benefit [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfBenefitAxis
730 Guaranteed Insurance Contract, Type of Benefit [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfBenefitDomain
731 Guaranteed Minimum Death Benefit [Member] Member us-gaap:GuaranteedMinimumDeathBenefitMember
732 Guaranteed Minimum Income Benefit [Member] Member us-gaap:GuaranteedMinimumIncomeBenefitMember
733 Guaranteed Minimum Accumulation Benefit [Member] Member us-gaap:GuaranteedMinimumAccumulationBenefitMember
734 Guaranteed Minimum Withdrawal Benefit [Member] Member us-gaap:GuaranteedMinimumWithdrawalBenefitMember
735 Guaranteed Lifetime Withdrawal Benefit [Member] Member us-gaap:GuaranteedLifetimeWithdrawalBenefitMember
736 Annuitization Benefit [Member] Member us-gaap:AnnuitizationBenefitMember
737 Guaranteed Insurance Contract, Type of Guarantee [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeAxis
738 Guaranteed Insurance Contract, Type of Guarantee [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain
739 Return of Net Deposit [Member] Member us-gaap:ReturnOfNetDepositMember
740 Return of Highest Anniversary Value [Member] Member us-gaap:ReturnOfHighestAnniversaryValueMember
741 Return of Net Deposits Accrued at Stated Rate [Member] Member us-gaap:ReturnOfNetDepositsAccruedAtStatedRateMember
742 Statistical Measurement [Axis] Dimension srt:RangeAxis
743 Statistical Measurement [Domain] Member srt:RangeMember
744 Maximum [Member] Member srt:MaximumMember
745 Minimum [Member] Member srt:MinimumMember
746 Weighted Average [Member] Member srt:WeightedAverageMember
747 Median [Member] Member srt:MedianMember
748 Arithmetic Average [Member] Member srt:ArithmeticAverageMember
749 Long-Duration Contracts, Assumptions by Product and Guarantee [Line Items] LineItems us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeLineItems
750 Long-Duration Contracts, Assumptions by Product and Guarantee, Estimated Average Investment Yield Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeEstimatedAverageInvestmentYield
751 Long-Duration Contracts, Assumptions by Product and Guarantee, Discount Rate Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeDiscountRate
752 Long-Duration Contracts, Assumptions by Product and Guarantee, Volatility Rate Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeVolatilityRate
753 Long-Duration Contracts, Assumptions by Product and Guarantee, Mortality Rate Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeMortalityRate
754 Long-Duration Contracts, Assumptions by Product and Guarantee, Lapse Rate Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeLapseRate
755 Long-Duration Contracts, Assumptions by Product and Guarantee, Other Rate Concept (dtr-types:percentItemType) As Of us-gaap:LongDurationContractsAssumptionsByProductAndGuaranteeOtherRate
756 Minimum Guarantees, Net Amount at Risk [Abstract] Abstract us-gaap:MinimumGuaranteesNetAmountAtRiskAbstract
757 Minimum Guarantees, Net Amount at Risk Disclosure [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:MinimumGuaranteesNetAmountAtRiskDisclosure
758 Schedule of Net Amount of Risk by Product and Guarantee [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfNetAmountOfRiskByProductAndGuaranteeTextBlock
759 Net Amount at Risk, by Product and Guarantee [Table] Hypercube us-gaap:NetAmountAtRiskByProductAndGuaranteeTable
760 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
761 Product and Service [Domain] Member srt:ProductsAndServicesDomain
762 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
763 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
764 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
765 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
766 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
767 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
768 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
769 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
770 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
771 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
772 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
773 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
774 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
775 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
776 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
777 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
778 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
779 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
780 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
781 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
782 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
783 Universal Life [Member] Member us-gaap:UniversalLifeMember
784 Variable Life [Member] Member us-gaap:VariableLifeMember
785 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
786 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
787 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
788 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
789 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
790 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
791 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
792 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
793 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
794 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
795 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
796 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
797 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
798 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
799 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
800 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
801 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
802 Guaranteed Insurance Contract, Type of Benefit [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfBenefitAxis
803 Guaranteed Insurance Contract, Type of Benefit [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfBenefitDomain
804 Guaranteed Minimum Death Benefit [Member] Member us-gaap:GuaranteedMinimumDeathBenefitMember
805 Guaranteed Minimum Income Benefit [Member] Member us-gaap:GuaranteedMinimumIncomeBenefitMember
806 Guaranteed Minimum Accumulation Benefit [Member] Member us-gaap:GuaranteedMinimumAccumulationBenefitMember
807 Guaranteed Minimum Withdrawal Benefit [Member] Member us-gaap:GuaranteedMinimumWithdrawalBenefitMember
808 Guaranteed Lifetime Withdrawal Benefit [Member] Member us-gaap:GuaranteedLifetimeWithdrawalBenefitMember
809 Annuitization Benefit [Member] Member us-gaap:AnnuitizationBenefitMember
810 Guaranteed Insurance Contract, Type of Guarantee [Axis] Dimension us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeAxis
811 Guaranteed Insurance Contract, Type of Guarantee [Domain] Member us-gaap:GuaranteedInsuranceContractTypeOfGuaranteeDomain
812 Return of Net Deposit [Member] Member us-gaap:ReturnOfNetDepositMember
813 Return of Highest Anniversary Value [Member] Member us-gaap:ReturnOfHighestAnniversaryValueMember
814 Return of Net Deposits Accrued at Stated Rate [Member] Member us-gaap:ReturnOfNetDepositsAccruedAtStatedRateMember
815 Statistical Measurement [Axis] Dimension srt:RangeAxis
816 Statistical Measurement [Domain] Member srt:RangeMember
817 Maximum [Member] Member srt:MaximumMember
818 Minimum [Member] Member srt:MinimumMember
819 Weighted Average [Member] Member srt:WeightedAverageMember
820 Median [Member] Member srt:MedianMember
821 Arithmetic Average [Member] Member srt:ArithmeticAverageMember
822 Net Amount at Risk by Product and Guarantee [Line Items] LineItems us-gaap:NetAmountAtRiskByProductAndGuaranteeLineItems
823 Net Amount at Risk by Product and Guarantee, Separate Account Value Concept (Monetary) As Of Credit us-gaap:NetAmountAtRiskByProductAndGuaranteeSeparateAccountValue
824 Net Amount at Risk by Product and Guarantee, General Account Value Concept (Monetary) As Of Credit us-gaap:NetAmountAtRiskByProductAndGuaranteeGeneralAccountValue
825 Net Amount at Risk by Product and Guarantee, Net Amount at Risk Concept (Monetary) As Of Credit us-gaap:NetAmountAtRiskByProductAndGuaranteeNetAmountAtRisk
826 Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Concept (xbrli:durationItemType) For Period us-gaap:NetAmountAtRiskByProductAndGuaranteeWeightedAverageAttainedAge1
827 Net Amount at Risk by Product and Guarantee, Weighted Average Period Remaining Concept (xbrli:durationItemType) For Period us-gaap:NetAmountAtRiskByProductAndGuaranteeWeightedAveragePeriodRemaining1
828 Net Amount at Risk by Product and Guarantee, Guaranteed Minimum Return Rate Concept (dtr-types:percentItemType) For Period us-gaap:NetAmountAtRiskByProductAndGuaranteeGuaranteedMinimumReturnRate
829 Long-Duration Contracts, Hedging Strategies Concept (Text/String) For Period us-gaap:LongDurationContractsHedgingStrategies
830 Separate Accounts Disclosure [Abstract] Abstract us-gaap:SeparateAccountsDisclosureAbstract
831 Separate Accounts of Contract Holders Note Concept (Text/String) For Period us-gaap:SeparateAccountsOfContractHoldersNote
832 Gain (Loss) Recognized on Assets Transferred to Separate Account [Abstract] Abstract us-gaap:GainLossRecognizedOnAssetsTransferredToSeparateAccountAbstract
833 Gain Recognized on Assets Transferred to Separate Account, Gross Concept (Monetary) For Period Credit us-gaap:GainRecognizedOnAssetsTransferredToSeparateAccountGross
834 Loss Recognized on Assets Transferred to Separate Account, Gross Concept (Monetary) For Period Debit us-gaap:LossRecognizedOnAssetsTransferredToSeparateAccountGross
835 Gain (Loss) Recognized on Assets Transferred to Separate Account, Total Concept (Monetary) For Period Credit us-gaap:GainLossRecognizedOnAssetsTransferredToSeparateAccount
836 Separate Accounts by Major Category of Investment [Abstract] Abstract us-gaap:SeparateAccountsByMajorCategoryOfInvestmentAbstract
837 Fair Value, Separate Account Investment [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTextBlock
838 Fair Value, Separate Account Investment [Table] Hypercube us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable
839 Investment Type [Axis] Dimension us-gaap:InvestmentTypeAxis
840 Investments [Domain] Member us-gaap:InvestmentTypeCategorizationMember
841 Cash and Cash Equivalents [Member] Member us-gaap:CashAndCashEquivalentsMember
842 Mutual Fund [Member] Member us-gaap:MutualFundMember
843 Money Market Funds [Member] Member us-gaap:MoneyMarketFundsMember
844 Equity Funds [Member] Member us-gaap:EquityFundsMember
845 Fixed Income Funds [Member] Member us-gaap:FixedIncomeFundsMember
846 Balanced Funds [Member] Member us-gaap:BalancedFundsMember
847 Debt Securities [Member] Member us-gaap:DebtSecuritiesMember
848 US Treasury and Government [Member] Member us-gaap:USTreasuryAndGovernmentMember
849 US Treasury Securities [Member] Member us-gaap:USTreasurySecuritiesMember
850 US Government Agencies Debt Securities [Member] Member us-gaap:USGovernmentAgenciesDebtSecuritiesMember
851 US Government-sponsored Enterprises Debt Securities [Member] Member us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember
852 US States and Political Subdivisions Debt Securities [Member] Member us-gaap:USStatesAndPoliticalSubdivisionsMember
853 Debt Security, Government, Non-US [Member] Member us-gaap:ForeignGovernmentDebtSecuritiesMember
854 Corporate Debt Securities [Member] Member us-gaap:CorporateDebtSecuritiesMember
855 Debt Security, Corporate, US [Member] Member us-gaap:DomesticCorporateDebtSecuritiesMember
856 Debt Security, Corporate, Non-US [Member] Member us-gaap:ForeignCorporateDebtSecuritiesMember
857 Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Member us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
858 Convertible Debt Securities [Member] Member us-gaap:ConvertibleDebtSecuritiesMember
859 Asset-backed Securities [Member] Member us-gaap:AssetBackedSecuritiesMember
860 Collateralized Mortgage Backed Securities [Member] Member us-gaap:MortgageBackedSecuritiesMember
861 Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Member us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
862 Mortgage-backed Securities, Issued by Private Enterprises [Member] Member us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
863 Residential Mortgage Backed Securities [Member] Member us-gaap:ResidentialMortgageBackedSecuritiesMember
864 Commercial Mortgage Backed Securities [Member] Member us-gaap:CommercialMortgageBackedSecuritiesMember
865 Collateralized Debt Obligations [Member] Member us-gaap:CollateralizedDebtObligationsMember
866 Asset-backed Securities, Securitized Loans and Receivables [Member] Member us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
867 Interest-Only-Strip [Member] Member us-gaap:InterestOnlyStripMember
868 Principal-Only-Strip [Member] Member us-gaap:PrincipalOnlyStripMember
869 Fixed Income Securities [Member] Member us-gaap:FixedIncomeSecuritiesMember
870 Auction Rate Securities [Member] Member us-gaap:AuctionRateSecuritiesMember
871 Variable Rate Demand Obligation [Member] Member us-gaap:VariableRateDemandObligationMember
872 Other Debt Obligations [Member] Member us-gaap:OtherDebtSecuritiesMember
873 Equity Securities [Member] Member us-gaap:EquitySecuritiesMember
874 Common Stock [Member] Member us-gaap:CommonStockMember
875 Preferred Stock [Member] Member us-gaap:PreferredStockMember
876 Nonredeemable Preferred Stock [Member] Member us-gaap:NonredeemablePreferredStockMember
877 Redeemable Preferred Stock [Member] Member us-gaap:RedeemablePreferredStockMember
878 Convertible Preferred Stock [Member] Member us-gaap:ConvertiblePreferredStockMember
879 Contingent Convertible Preferred Stock [Member] Member us-gaap:ContingentConvertiblePreferredStockMember
880 Fixed Maturities [Member] Member us-gaap:FixedMaturitiesMember
881 Partnership Interest [Member] Member srt:PartnershipInterestMember
882 Policy Loans [Member] Member us-gaap:PolicyLoansMember
883 Real Estate Investment [Member] Member us-gaap:RealEstateInvestmentMember
884 Mortgages [Member] Member us-gaap:MortgagesMember
885 Short-term Investments [Member] Member us-gaap:ShortTermInvestmentsMember
886 Other Long-term Investments [Member] Member us-gaap:OtherLongTermInvestmentsMember
887 Fair Value, Separate Account Investment [Line Items] LineItems us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems
888 Schedule of Fair Value of Separate Accounts by Major Category of Investment, Fair Value Concept (Monetary) As Of Debit us-gaap:ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentFairValue
889 Separate Account Asset Concept (Monetary) As Of Debit us-gaap:SeparateAccountAssets
890 Separate Account, Liability Concept (Monetary) As Of Credit us-gaap:SeparateAccountsLiability
891 Short-Duration Insurance and Deposit Contracts [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ShortDurationInsuranceAndDepositContractsTextBlock
892 Deposit Contracts, Description of Asset Contracts Concept (Text/String) For Period us-gaap:DepositContractsDescriptionOfAssetContracts
893 Deposit Contracts, Description of Liability Contracts Concept (Text/String) For Period us-gaap:DepositContractsDescriptionOfLiabilityContracts
894 Deposit Contracts, Assets [Abstract] Abstract us-gaap:DepositContractsChangeInBalancesBasedOnChangeInAssumptionsSupportingExpectedRecoveryAmountsAbstract
895 Deposit Assets, Amortizaton Expense from Expirations Concept (Monetary) For Period Debit us-gaap:DepositAssetsAmortizatonExpenseFromExpirations
896 Deposit Assets, Present Value of Expected Recoveries Concept (Monetary) As Of Debit us-gaap:DepositAssetsPresentValueOfExpectedRecoveries
897 Deposit Assets, Effect of Change in Present Value Assumptions Resulting in Additions to Expected Recoveries Concept (Monetary) For Period Credit us-gaap:DepositAssetsEffectOfChangeInPresentValueAssumptionsResultingInAdditionsToExpectedRecoveries
898 Deposit Assets, Effect of Change in Present Value Assumptions Resulting in Reductions to Expected Recoveries Concept (Monetary) For Period Debit us-gaap:DepositAssetsEffectOfChangeInPresentValueAssumptionsResultingInReductionsToExpectedRecoveries
899 Deposit Assets, Effect of (Increase) Decrease in Interest Accrual Assumption on Expected Recovery Amounts Concept (Monetary) For Period Credit us-gaap:DepositAssetsEffectOfIncreaseDecreaseInInterestAccrualAssumptionOnExpectedRecoveryAmounts
900 Deposit Assets, Effect of Change in Present Value Assumptions Recorded as Expense Concept (Monetary) For Period Debit us-gaap:DepositAssetsEffectOfChangeInPresentValueAssumptionsRecordedAsExpense
901 Deposit Contracts, Assets Concept (Monetary) As Of Debit us-gaap:DepositContractsAssets
902 Deposit Contracts, Liabilities [Abstract] Abstract us-gaap:DepositContractsLiabilitiesAbstract
903 Deposit Liabilities, Effect of Change in Present Value Assumptions Resulting in Additions to Expected Recoveries Concept (Monetary) For Period Debit us-gaap:DepositLiabilitiesEffectOfChangeInPresentValueAssumptionsResultingInAdditionsToExpectedRecoveries
904 Deposit Liabilities, Effect of Change in Present Value Assumptions Resulting in Reductions to Expected Recoveries Concept (Monetary) For Period Credit us-gaap:DepositLiabilitiesEffectOfChangeInPresentValueAssumptionsResultingInReductionsToExpectedRecoveries
905 Deposit Liabilities, Effect of (Increase) Decrease in Interest Accrual Assumption on Expected Recovery Amounts Concept (Monetary) For Period Debit us-gaap:DepositLiabilitiesEffectOfIncreaseDecreaseInInterestAccrualAssumptionOnExpectedRecoveryAmounts
906 Deposit Liabilities, Effect of Change in Present Value Assumptions Recorded as Expense Concept (Monetary) For Period Debit us-gaap:DepositLiabilitiesEffectOfChangeInPresentValueAssumptionsRecordedAsExpense
907 Deposit Contracts, Liabilities Concept (Monetary) As Of Credit us-gaap:DepositContractsLiabilities
908 Short-Duration Contracts, Description Concept (Text/String) For Period us-gaap:ShortDurationContractsDescription
909 Short-duration Insurance Contracts, Discounted Liabilities [Table] Hypercube us-gaap:ShortdurationInsuranceContractsDiscountedLiabilitiesTable
910 Income Statement Location [Axis] Dimension us-gaap:IncomeStatementLocationAxis
911 Income Statement Location [Domain] Member us-gaap:IncomeStatementLocationDomain
912 Sales [Member] Member us-gaap:SalesMember
913 Trading Revenue [Member] Member us-gaap:TradingRevenueMember
914 Cost of Sales [Member] Member us-gaap:CostOfSalesMember
915 Principal or Proprietary Transactions [Member] Member us-gaap:PrincipalOrProprietaryTransactionsMember
916 Asset Management Income [Member] Member us-gaap:AssetManagementIncomeMember
917 Other Income [Member] Member us-gaap:OtherIncomeMember
918 Interest Income [Member] Member us-gaap:InterestIncomeMember
919 Investment Income [Member] Member us-gaap:InvestmentIncomeMember
920 Operating Income (Loss) [Member] Member us-gaap:OperatingIncomeLossMember
921 Other Operating Income (Expense) [Member] Member us-gaap:OtherOperatingIncomeExpenseMember
922 Interest Expense [Member] Member us-gaap:InterestExpenseMember
923 Operating Expense [Member] Member us-gaap:OperatingExpenseMember
924 Other Expense [Member] Member us-gaap:OtherExpenseMember
925 Gain (Loss) on Derivative Instruments [Member] Member us-gaap:GainLossOnDerivativeInstrumentsMember
926 Gain (Loss) on Investments [Member] Member us-gaap:GainLossOnInvestmentsMember1
927 Investment Income (Expense) [Member] Member us-gaap:InvestmentIncomeExpenseMember
928 Nonoperating Income (Expense) [Member] Member us-gaap:NonoperatingIncomeExpenseMember
929 Other Nonoperating Income (Expense) [Member] Member us-gaap:OtherNonoperatingIncomeExpenseMember
930 Foreign Currency Gain (Loss) [Member] Member us-gaap:ForeignCurrencyGainLossMember
931 Sale of Subsidiary Gain (Loss) [Member] Member us-gaap:SaleOfSubsidiaryGainLossMember
932 Selling, General and Administrative Expenses [Member] Member us-gaap:SellingGeneralAndAdministrativeExpensesMember
933 Selling and Marketing Expense [Member] Member us-gaap:SellingAndMarketingExpenseMember
934 General and Administrative Expense [Member] Member us-gaap:GeneralAndAdministrativeExpenseMember
935 Statistical Measurement [Axis] Dimension srt:RangeAxis
936 Statistical Measurement [Domain] Member srt:RangeMember
937 Maximum [Member] Member srt:MaximumMember
938 Minimum [Member] Member srt:MinimumMember
939 Weighted Average [Member] Member srt:WeightedAverageMember
940 Median [Member] Member srt:MedianMember
941 Arithmetic Average [Member] Member srt:ArithmeticAverageMember
942 Short-duration Insurance Contracts, Discounted Liabilities [Line Items] LineItems us-gaap:ShortdurationInsuranceContractsDiscountedLiabilitiesLineItems
943 Short-Duration Contracts, Discounted Liabilities, Amount Concept (Monetary) As Of Credit us-gaap:ShortDurationContractsDiscountedLiabilitiesAmount
944 Short-duration Insurance Contract, Discounted Liability, Discount Concept (Monetary) As Of Debit us-gaap:ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount
945 Short-duration Insurance Contracts, Discounted Liabilities, Interest Accretion Concept (Monetary) For Period Debit us-gaap:ShortdurationInsuranceContractsDiscountedLiabilitiesInterestAccretion
946 Short-Duration Contract, Discounted Liability, Discount Rate Concept (dtr-types:percentItemType) As Of us-gaap:ShortDurationContractsDiscountedLiabilitiesDiscountRate
947 Short-Duration Contracts, Discounted Liabilities, Basis for Discount Rate Concept (Text/String) For Period us-gaap:ShortDurationContractsDiscountedLiabilitiesBasisForDiscountRate
948 Short-duration Insurance Contracts, Claims Development [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ShortdurationInsuranceContractsClaimsDevelopmentTableTextBlock
949 Short-duration Insurance Contracts, Claims Development [Table] Hypercube us-gaap:ShortdurationInsuranceContractsClaimsDevelopmentTable
950 Short-duration Insurance Contracts, Accident Year [Axis] Dimension us-gaap:ShortdurationInsuranceContractsAccidentYearAxis
951 Short-duration Insurance Contracts, Accident Year [Domain] Member us-gaap:ShortdurationInsuranceContractsAccidentYearDomain
952 Short-duration Insurance Contracts, Accident Year 2006 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2006Member
953 Short-duration Insurance Contracts, Accident Year 2007 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2007Member
954 Short-duration Insurance Contracts, Accident Year 2008 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2008Member
955 Short-duration Insurance Contracts, Accident Year 2009 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2009Member
956 Short-duration Insurance Contracts, Accident Year 2010 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2010Member
957 Short-duration Insurance Contracts, Accident Year 2011 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2011Member
958 Short-duration Insurance Contracts, Accident Year 2012 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2012Member
959 Short-duration Insurance Contracts, Accident Year 2013 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2013Member
960 Short-duration Insurance Contracts, Accident Year 2014 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2014Member
961 Short-duration Insurance Contracts, Accident Year 2015 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2015Member
962 Short-duration Insurance Contracts, Accident Year 2016 [Member] Member us-gaap:ShortdurationInsuranceContractsAccidentYear2016Member
963 Short-duration Insurance Contracts, Accident Year 2017 [Member] Member us-gaap:ShortDurationInsuranceContractsAccidentYear2017Member
964 Short-duration Insurance Contracts, Accident Year 2018 [Member] Member us-gaap:ShortDurationInsuranceContractsAccidentYear2018Member
965 Short-Duration Insurance Contract, Accident Year 2019 [Member] Member us-gaap:ShortDurationInsuranceContractAccidentYear2019Member
966 Short-Duration Insurance Contract, Accident Year 2020 [Member] Member us-gaap:ShortDurationInsuranceContractAccidentYear2020Member
967 Short-Duration Insurance Contract, Accident Year 2021 [Member] Member us-gaap:ShortDurationInsuranceContractAccidentYear2021Member
968 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
969 Product and Service [Domain] Member srt:ProductsAndServicesDomain
970 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
971 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
972 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
973 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
974 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
975 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
976 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
977 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
978 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
979 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
980 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
981 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
982 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
983 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
984 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
985 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
986 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
987 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
988 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
989 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
990 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
991 Universal Life [Member] Member us-gaap:UniversalLifeMember
992 Variable Life [Member] Member us-gaap:VariableLifeMember
993 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
994 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
995 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
996 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
997 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
998 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
999 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
1000 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
1001 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
1002 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
1003 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
1004 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
1005 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
1006 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
1007 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
1008 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
1009 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
1010 Geographical [Axis] Dimension srt:StatementGeographicalAxis
1011 Geographical [Domain] Member srt:SegmentGeographicalDomain
1012 Asia [Member] Member srt:AsiaMember
1013 Asia Pacific [Member] Member srt:AsiaPacificMember
1014 Africa [Member] Member srt:AfricaMember
1015 Americas [Member] Member srt:AmericasMember
1016 Central America [Member] Member srt:CentralAmericaMember
1017 EMEA [Member] Member us-gaap:EMEAMember
1018 Europe [Member] Member srt:EuropeMember
1019 European Union [Member] Member us-gaap:EuropeanUnionMember
1020 Latin America [Member] Member srt:LatinAmericaMember
1021 Middle East [Member] Member us-gaap:MiddleEastMember
1022 North America [Member] Member srt:NorthAmericaMember
1023 South America [Member] Member srt:SouthAmericaMember
1024 Non-US [Member] Member us-gaap:NonUsMember
1025 Segments [Axis] Dimension us-gaap:StatementBusinessSegmentsAxis
1026 Segments [Domain] Member us-gaap:SegmentDomain
1027 Other Segments [Member] Member us-gaap:AllOtherSegmentsMember
1028 Corporate Segment [Member] Member us-gaap:CorporateMember
1029 Corporate and Other [Member] Member us-gaap:CorporateAndOtherMember
1030 Customer [Axis] Dimension srt:MajorCustomersAxis
1031 Customer [Domain] Member srt:NameOfMajorCustomerDomain
1032 Short-duration Insurance Contracts, Claim Duration [Axis] Dimension us-gaap:ShortdurationInsuranceContractsClaimDurationAxis
1033 Short-duration Insurance Contracts, Claim Duration [Domain] Member us-gaap:ShortdurationInsuranceContractsClaimDurationDomain
1034 Claims Development [Line Items] LineItems us-gaap:ClaimsDevelopmentLineItems
1035 Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net [Abstract] Abstract us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetAbstract
1036 Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
1037 Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net Concept (Monetary) As Of Debit us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
1038 Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Not Separately Presented Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNetNotSeparatelyPresented
1039 Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net, Total Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet
1040 Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet
1041 Short-duration Insurance Contract, Cumulative Number of Reported Claims Concept (Integer) As Of us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims
1042 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Description of Change in Methodologies Concept (Text/String) For Period us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDescriptionOfChangeInMethodologies
1043 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Description of Change in Assumptions Concept (Text/String) For Period us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDescriptionOfChangeInAssumptions
1044 Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims, Methodologies Concept (Text/String) For Period us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsMethodologies
1045 Short-duration Insurance Contracts, Claim Frequency, Methodologies Concept (Text/String) For Period us-gaap:ShortdurationInsuranceContractsClaimFrequencyMethodologies
1046 Short-duration Insurance Contract, Claim Frequency, Impracticable [true false] Concept (Yes/No) For Period us-gaap:ShortdurationInsuranceContractsClaimFrequencyImpracticable
1047 Short-duration Insurance Contracts, Claim Frequency, Impracticable, Reasons Concept (Text/String) For Period us-gaap:ShortdurationInsuranceContractsClaimFrequencyImpracticableReasons
1048 Short-Duration Insurance Contract, Product and Service [Extensible Enumeration] Concept (enum2:enumerationSetItemType) For Period us-gaap:ShortDurationInsuranceContractsProductsAndServicesExtensibleList
1049 Short-Duration Insurance Contract, Segment [Extensible Enumeration] Concept (enum2:enumerationSetItemType) For Period us-gaap:ShortDurationInsuranceContractsSegmentsExtensibleList
1050 Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock
1051 Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table] Hypercube us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTable
1052 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
1053 Product and Service [Domain] Member srt:ProductsAndServicesDomain
1054 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
1055 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
1056 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
1057 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
1058 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
1059 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
1060 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
1061 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
1062 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
1063 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
1064 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
1065 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
1066 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
1067 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
1068 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
1069 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
1070 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
1071 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
1072 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
1073 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
1074 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
1075 Universal Life [Member] Member us-gaap:UniversalLifeMember
1076 Variable Life [Member] Member us-gaap:VariableLifeMember
1077 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
1078 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
1079 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
1080 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
1081 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
1082 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
1083 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
1084 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
1085 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
1086 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
1087 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
1088 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
1089 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
1090 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
1091 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
1092 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
1093 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
1094 Segments [Axis] Dimension us-gaap:StatementBusinessSegmentsAxis
1095 Segments [Domain] Member us-gaap:SegmentDomain
1096 Other Segments [Member] Member us-gaap:AllOtherSegmentsMember
1097 Corporate Segment [Member] Member us-gaap:CorporateMember
1098 Corporate and Other [Member] Member us-gaap:CorporateAndOtherMember
1099 Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Line Items] LineItems us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityLineItems
1100 Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet
1101 Reinsurance Recoverable for Unpaid Claims and Claims Adjustments Concept (Monetary) As Of Debit us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
1102 Short-duration Insurance Contract, Discounted Liability, Discount [Abstract] Abstract us-gaap:ShortDurationInsuranceContractDiscountedLiabilityDiscountAbstract
1103 Short-duration Insurance Contract, Discounted Liability, Discount, Net of Reinsurance Concept (Monetary) As Of Debit us-gaap:ShortDurationInsuranceContractDiscountedLiabilityDiscountNetOfReinsurance
1104 Short-duration Insurance Contract, Discounted Liability, Discount for Reinsurance Concept (Monetary) As Of Debit us-gaap:ShortDurationInsuranceContractDiscountedLiabilityDiscountForReinsurance
1105 Short-duration Insurance Contract, Discounted Liability, Discount, Total Concept (Monetary) As Of Debit us-gaap:ShortdurationInsuranceContractsDiscountedLiabilitiesAggregateDiscount
1106 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Unallocated Claim Adjustment Expense Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
1107 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claims Adjustment Expense, Accumulated Foreign Exchange Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedForeignExchange
1108 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Other Reconciling Item Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseOtherReconcilingItem
1109 Short-duration Insurance Contracts, Liability for Unpaid Claims and Claim Adjustment Expense, Aggregate Reconciling Items Concept (Monetary) As Of Credit us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems
1110 Liability for Claims and Claims Adjustment Expense Concept (Monetary) As Of Credit us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
1111 Short-duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock
1112 Short-duration Insurance Contracts, Historical Claims Duration [Table] Hypercube us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationTable
1113 Product and Service [Axis] Dimension srt:ProductOrServiceAxis
1114 Product and Service [Domain] Member srt:ProductsAndServicesDomain
1115 Accident and Health Insurance Product Line [Member] Member us-gaap:AccidentAndHealthInsuranceSegmentMember
1116 Accident and Health Insurance, Excluding Workers' Compensation [Member] Member us-gaap:AccidentAndHealthInsuranceExcludingWorkersCompensationMember
1117 Disability Insurance Policy [Member] Member us-gaap:DisabilityInsurancePolicyMember
1118 Health Insurance Product Line [Member] Member us-gaap:HealthInsuranceProductLineMember
1119 Workers' Compensation Insurance [Member] Member us-gaap:WorkersCompensationInsuranceMember
1120 Financial Guarantee Insurance Product Line [Member] Member us-gaap:FinancialGuaranteeInsuranceSegmentMember
1121 Fixed Annuity [Member] Member us-gaap:FixedAnnuityMember
1122 Deferred Fixed Annuity [Member] Member us-gaap:DeferredFixedAnnuityMember
1123 Immediate Fixed Annuity [Member] Member us-gaap:ImmediateFixedAnnuityMember
1124 Terminal Funding Annuity [Member] Member us-gaap:TerminalFundingAnnuityMember
1125 Group Insurance Policy [Member] Member us-gaap:GroupPoliciesMember
1126 Guaranteed Investment Contract [Member] Member us-gaap:GuaranteedInvestmentContractMember
1127 Indexed Annuity [Member] Member us-gaap:IndexedAnnuityMember
1128 Individual Insurance Policy [Member] Member us-gaap:IndividualPoliciesMember
1129 Investment Product [Member] Member us-gaap:InvestmentsSegmentMember
1130 Life and Annuity Insurance Product Line [Member] Member us-gaap:LifeAndAnnuityInsuranceProductLineMember
1131 Life Insurance Product Line [Member] Member us-gaap:LifeInsuranceSegmentMember
1132 Interest Sensitive Life [Member] Member us-gaap:InterestSensitiveLifeMember
1133 Nonparticipating Life Insurance Contract [Member] Member us-gaap:NonparticipatingLifeInsurancePolicyMember
1134 Participating Life Insurance Contract [Member] Member us-gaap:ParticipatingLifeInsurancePolicyMember
1135 Term Life Insurance [Member] Member us-gaap:TermLifeInsuranceMember
1136 Universal Life [Member] Member us-gaap:UniversalLifeMember
1137 Variable Life [Member] Member us-gaap:VariableLifeMember
1138 Variable Universal Life [Member] Member us-gaap:VariableUniversalLifeMember
1139 Whole Life Insurance [Member] Member us-gaap:WholeLifeInsuranceMember
1140 Nontraditional Long-Duration Contracts [Member] Member us-gaap:NontraditionalLongDurationContractsMember
1141 Insurance, Other [Member] Member us-gaap:OtherInsuranceProductLineMember
1142 Long-Duration Insurance, Other [Member] Member us-gaap:OtherLongdurationInsuranceProductLineMember
1143 Short-Duration Insurance, Other [Member] Member us-gaap:OtherShortdurationInsuranceProductLineMember
1144 Professional Liability Insurance [Member] Member us-gaap:ProfessionalLiabilityInsuranceMember
1145 Property, Liability and Casualty Insurance Product Line [Member] Member us-gaap:PropertyLiabilityAndCasualtyInsuranceSegmentMember
1146 Property and Casualty, Commercial Insurance [Member] Member us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
1147 Property and Casualty, Personal Insurance [Member] Member us-gaap:PropertyAndCasualtyPersonalInsuranceProductLineMember
1148 Property Insurance [Member] Member us-gaap:PropertyInsuranceProductLineMember
1149 Structured Settlement Annuity [Member] Member us-gaap:StructuredSettlementAnnuityMember
1150 Surety Product Line [Member] Member us-gaap:SuretySegmentMember
1151 Title Insurance Product Line [Member] Member us-gaap:TitleInsuranceSegmentMember
1152 Variable Annuity [Member] Member us-gaap:VariableAnnuityMember
1153 Deferred Variable Annuity [Member] Member us-gaap:DeferredVariableAnnuityMember
1154 Immediate Variable Annuity [Member] Member us-gaap:ImmediateVariableAnnuityMember
1155 Segments [Axis] Dimension us-gaap:StatementBusinessSegmentsAxis
1156 Segments [Domain] Member us-gaap:SegmentDomain
1157 Other Segments [Member] Member us-gaap:AllOtherSegmentsMember
1158 Corporate Segment [Member] Member us-gaap:CorporateMember
1159 Corporate and Other [Member] Member us-gaap:CorporateAndOtherMember
1160 Short-duration Insurance Contracts, Historical Claims Duration [Line Items] LineItems us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems
1161 Short-duration Insurance Contracts, Historical Claims Duration, Year One Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne
1162 Short-duration Insurance Contracts, Historical Claims Duration, Year Two Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo
1163 Short-duration Insurance Contracts, Historical Claims Duration, Year Three Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree
1164 Short-duration Insurance Contracts, Historical Claims Duration, Year Four Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour
1165 Short-duration Insurance Contracts, Historical Claims Duration, Year Five Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive
1166 Short-duration Insurance Contracts, Historical Claims Duration, Year Six Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix
1167 Short-duration Insurance Contracts, Historical Claims Duration, Year Seven Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven
1168 Short-duration Insurance Contracts, Historical Claims Duration, Year Eight Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight
1169 Short-duration Insurance Contracts, Historical Claims Duration, Year Nine Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine
1170 Short-duration Insurance Contracts, Historical Claims Duration, Year Ten Concept (dtr-types:percentItemType) As Of us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen
1171 Short-Duration Insurance Contract, Product and Service [Extensible Enumeration] Concept (enum2:enumerationSetItemType) For Period us-gaap:ShortDurationInsuranceContractsProductsAndServicesExtensibleList
1172 Short-Duration Insurance Contract, Segment [Extensible Enumeration] Concept (enum2:enumerationSetItemType) For Period us-gaap:ShortDurationInsuranceContractsSegmentsExtensibleList
1173 Other Insurance Industry Disclosures [Abstract] Abstract us-gaap:OtherInsuranceIndustryDisclosuresAbstract
1174 Deferred Tax Assets and Liabilities of Insurance Companies [Abstract] Abstract us-gaap:DeferredTaxAssetsAndLiabilitiesOfInsuranceCompaniesAbstract
1175 Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Policyholder Liabilities Concept (Monetary) As Of Debit us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsPolicyholderLiabilities
1176 Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost Concept (Monetary) As Of Credit us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost
1177 Cash Surrender Value Due Policyholders [Abstract] Abstract us-gaap:CashSurrenderValueDuePolicyholdersAbstract
1178 Cash Surrender Value Due Policyholders, Description Concept (Text/String) For Period us-gaap:CashSurrenderValueDuePolicyholdersDescription
1179 Policyholder Account Balance, Cash Surrender Value Concept (Monetary) As Of Credit us-gaap:CashSurrenderValueDuePolicyholdersAmount
1180 Policy Loans Receivable Concept (Monetary) As Of Debit us-gaap:PolicyLoansReceivable
1181 Net Investment Income, Insurance Entity [Abstract] Abstract us-gaap:NetInvestmentIncomeInsuranceEntityAbstract
1182 Investment Income [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:InvestmentIncomeTextBlock
1183 Investment Income [Table] Hypercube us-gaap:ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable
1184 Investment Type [Axis] Dimension us-gaap:InvestmentTypeAxis
1185 Investments [Domain] Member us-gaap:InvestmentTypeCategorizationMember
1186 Cash and Cash Equivalents [Member] Member us-gaap:CashAndCashEquivalentsMember
1187 Mutual Fund [Member] Member us-gaap:MutualFundMember
1188 Money Market Funds [Member] Member us-gaap:MoneyMarketFundsMember
1189 Equity Funds [Member] Member us-gaap:EquityFundsMember
1190 Fixed Income Funds [Member] Member us-gaap:FixedIncomeFundsMember
1191 Balanced Funds [Member] Member us-gaap:BalancedFundsMember
1192 Debt Securities [Member] Member us-gaap:DebtSecuritiesMember
1193 US Treasury and Government [Member] Member us-gaap:USTreasuryAndGovernmentMember
1194 US Treasury Securities [Member] Member us-gaap:USTreasurySecuritiesMember
1195 US Government Agencies Debt Securities [Member] Member us-gaap:USGovernmentAgenciesDebtSecuritiesMember
1196 US Government-sponsored Enterprises Debt Securities [Member] Member us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember
1197 US States and Political Subdivisions Debt Securities [Member] Member us-gaap:USStatesAndPoliticalSubdivisionsMember
1198 Debt Security, Government, Non-US [Member] Member us-gaap:ForeignGovernmentDebtSecuritiesMember
1199 Corporate Debt Securities [Member] Member us-gaap:CorporateDebtSecuritiesMember
1200 Debt Security, Corporate, US [Member] Member us-gaap:DomesticCorporateDebtSecuritiesMember
1201 Debt Security, Corporate, Non-US [Member] Member us-gaap:ForeignCorporateDebtSecuritiesMember
1202 Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Member us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember
1203 Convertible Debt Securities [Member] Member us-gaap:ConvertibleDebtSecuritiesMember
1204 Asset-backed Securities [Member] Member us-gaap:AssetBackedSecuritiesMember
1205 Collateralized Mortgage Backed Securities [Member] Member us-gaap:MortgageBackedSecuritiesMember
1206 Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] Member us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
1207 Mortgage-backed Securities, Issued by Private Enterprises [Member] Member us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
1208 Residential Mortgage Backed Securities [Member] Member us-gaap:ResidentialMortgageBackedSecuritiesMember
1209 Commercial Mortgage Backed Securities [Member] Member us-gaap:CommercialMortgageBackedSecuritiesMember
1210 Collateralized Debt Obligations [Member] Member us-gaap:CollateralizedDebtObligationsMember
1211 Asset-backed Securities, Securitized Loans and Receivables [Member] Member us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
1212 Interest-Only-Strip [Member] Member us-gaap:InterestOnlyStripMember
1213 Principal-Only-Strip [Member] Member us-gaap:PrincipalOnlyStripMember
1214 Fixed Income Securities [Member] Member us-gaap:FixedIncomeSecuritiesMember
1215 Auction Rate Securities [Member] Member us-gaap:AuctionRateSecuritiesMember
1216 Variable Rate Demand Obligation [Member] Member us-gaap:VariableRateDemandObligationMember
1217 Other Debt Obligations [Member] Member us-gaap:OtherDebtSecuritiesMember
1218 Equity Securities [Member] Member us-gaap:EquitySecuritiesMember
1219 Common Stock [Member] Member us-gaap:CommonStockMember
1220 Preferred Stock [Member] Member us-gaap:PreferredStockMember
1221 Nonredeemable Preferred Stock [Member] Member us-gaap:NonredeemablePreferredStockMember
1222 Redeemable Preferred Stock [Member] Member us-gaap:RedeemablePreferredStockMember
1223 Convertible Preferred Stock [Member] Member us-gaap:ConvertiblePreferredStockMember
1224 Contingent Convertible Preferred Stock [Member] Member us-gaap:ContingentConvertiblePreferredStockMember
1225 Fixed Maturities [Member] Member us-gaap:FixedMaturitiesMember
1226 Partnership Interest [Member] Member srt:PartnershipInterestMember
1227 Policy Loans [Member] Member us-gaap:PolicyLoansMember
1228 Real Estate Investment [Member] Member us-gaap:RealEstateInvestmentMember
1229 Mortgages [Member] Member us-gaap:MortgagesMember
1230 Short-term Investments [Member] Member us-gaap:ShortTermInvestmentsMember
1231 Other Long-term Investments [Member] Member us-gaap:OtherLongTermInvestmentsMember
1232 Net Investment Income [Line Items] LineItems us-gaap:ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems
1233 Gross Investment Income, Operating Concept (Monetary) For Period Credit us-gaap:GrossInvestmentIncomeOperating
1234 Investment Income, Investment Expense Concept (Monetary) For Period Debit us-gaap:InvestmentIncomeInvestmentExpense
1235 Net Investment Income, Total Concept (Monetary) For Period Credit us-gaap:NetInvestmentIncome
1236 Accrued Liabilities for Commissions, Expense and Taxes Concept (Monetary) As Of Credit us-gaap:AccruedLiabilitiesForCommissionsExpenseAndTaxes
1237 Demutualization and Closed Block [Abstract] Abstract us-gaap:DemutualizationAndClosedBlockAbstract
1238 Demutualization by Insurance Entity, Schedule of Nature and Terms [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:DemutualizationByInsuranceEntityScheduleOfNatureAndTerms
1239 Demutualization by Insurance Entity, Nature and Terms Concept (Text/String) For Period us-gaap:DemutualizationByInsuranceEntityNatureAndTerms
1240 Demutualization by Insurance Entity, Securities Issued, Price Per Share or Unit Concept (dtr-types:perShareItemType) As Of us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedPricePerShareOrUnit
1241 Demutualization by Insurance Entity, Securities Issued, Quantity of Shares Concept (Shares) As Of us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedQuantityOfShares
1242 Demutualization by Insurance Entity, Securities Issued, Gross Cash Proceeds Concept (Monetary) For Period Credit us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedGrossCashProceeds
1243 Demutualization by Insurance Entity, Securities Issued, Gross Policy Credits Concept (Monetary) For Period Debit us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedGrossPolicyCredits
1244 Demutualization by Insurance Entity, Securities Issued, Offering Costs Concept (Monetary) For Period Debit us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedOfferingCosts
1245 Demutualization by Insurance Entity, Securities Issued, Amount of Net Proceeds Concept (Monetary) For Period Credit us-gaap:DemutualizationByInsuranceEntitySecuritiesIssuedAmountOfNetProceeds
1246 Closed Block Disclosure [Abstract] Abstract us-gaap:ClosedBlockDisclosureAbstract
1247 Closed Block Accounting Policy [Policy Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ClosedBlockAccountingPolicy
1248 Closed Block Disclosure [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ClosedBlockDisclosureTextBlock
1249 Closed Block Presentation Basis Concept (Text/String) For Period us-gaap:ClosedBlockPresentationBasis
1250 Closed Block Terms of Operation Concept (Text/String) For Period us-gaap:ClosedBlockTermsOfOperation
1251 Closed Block Description of Method of Emergence of Earnings Concept (Text/String) For Period us-gaap:ClosedBlockDescriptionOfMethodOfEmergenceOfEarnings
1252 Closed Block Policyholder Dividend Obligation Concept (Text/String) For Period us-gaap:ClosedBlockPolicyholderDividendObligation
1253 Closed Block, Description Concept (Text/String) For Period us-gaap:ClosedBlockDescription
1254 Closed Block Operations, Net Results [Abstract] Abstract us-gaap:ClosedBlockOperationsNetResultsAbstract
1255 Closed Block Operations, after Tax Results from Continuing Operations [Abstract] Abstract us-gaap:ClosedBlockOperationsAfterTaxResultsFromContinuingOperationsAbstract
1256 Closed Block Operations, Results before Income Taxes [Abstract] Abstract us-gaap:ClosedBlockOperationsResultsBeforeIncomeTaxesAbstract
1257 Closed Block Operations, Revenue [Abstract] Abstract us-gaap:ClosedBlockOperationsRevenueAbstract
1258 Closed Block Operations, Premiums Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsPremiums
1259 Closed Block Operations, Net Investment Income Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsNetInvestmentIncome
1260 Closed Block Operations, Realized Investment Gains (Losses) Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsRealizedInvestmentGainsLosses
1261 Closed Block Operations, Other Revenue Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsOtherRevenue
1262 Closed Block Operations, Revenue, Total Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsRevenue
1263 Closed Block Operations, Benefits and Expense [Abstract] Abstract us-gaap:ClosedBlockOperationsBenefitsAndExpenseAbstract
1264 Closed Block Operations, Policyholder Benefits Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsPolicyholderBenefits
1265 Closed Block Operations, Change in Policyholder Benefits and Interest Credited to Policyholder Account Balances Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsChangeInPolicyholderBenefitsAndInterestCreditedToPolicyholderAccountBalances
1266 Closed Block Operations, Policyholder Dividends Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsPolicyholderDividends
1267 Closed Block Operations, Other Expense Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsOtherExpense
1268 Closed Block Operations, Benefits and Expense, Total Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsBenefitsAndExpense
1269 Closed Block Operations, Results before Income Taxes, Total Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsResultsBeforeIncomeTaxes
1270 Closed Block Operations, Income Taxes Concept (Monetary) For Period Debit us-gaap:ClosedBlockOperationsIncomeTaxes
1271 Closed Block Operations, after Tax Results from Continuing Operations, Total Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsAfterTaxResultsFromContinuingOperations
1272 Closed Block Operations, Income (Loss) from Discontinued Operations, Net of Tax Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsIncomeLossFromDiscontinuedOperationsNetOfTax
1273 Closed Block Operations, Net Results, Total Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsNetResults
1274 Closed Block Dividend Obligation, Assumptions Concept (Text/String) For Period us-gaap:ClosedBlockDividendObligationAssumptions
1275 Movement in Closed Block Dividend Obligation [Roll Forward] Abstract us-gaap:MovementInClosedBlockDividendObligationRollForward
1276 Closed Block Dividend Obligation, Beginning Balance Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesPolicyholderDividendObligation
1277 Closed Block Dividend Obligation, Increase (Decrease) for Effect of Operating Results Concept (Monetary) For Period Credit us-gaap:ClosedBlockDividendObligationIncreaseDecreaseForEffectOfOperatingResults
1278 Closed Block Dividend Obligation, Change in Unrealized Investment Gain (Loss) Concept (Monetary) For Period Credit us-gaap:ClosedBlockDividendObligationChangeInUnrealizedInvestmentGainsLosses
1279 Closed Block Dividend Obligation, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:ClosedBlockDividendObligationPeriodIncreaseDecrease
1280 Closed Block Dividend Obligation, Ending Balance Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesPolicyholderDividendObligation
1281 Closed Block Assets and Liabilities [Abstract] Abstract us-gaap:ClosedBlockAssetsAndLiabilitiesAbstract
1282 Closed Block Assets and Liabilities, Disclosures Concept (Text/String) For Period us-gaap:ClosedBlockAssetsAndLiabilitiesDisclosures
1283 Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized [Abstract] Abstract us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognizedAbstract
1284 Excess of Reported Closed Block Liabilities over Assets Designated to Closed Block [Abstract] Abstract us-gaap:ExcessOfReportedClosedBlockLiabilitiesOverAssetsDesignatedToClosedBlockAbstract
1285 Closed Block Liabilities [Abstract] Abstract us-gaap:ClosedBlockLiabilitiesAbstract
1286 Closed Block Liabilities, Future Policy Benefits and Policyholder Account Balances Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesFuturePolicyBenefitsAndPolicyholderAccountBalances
1287 Closed Block Liabilities, Other Policyholder Funds Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesOtherPolicyholderFunds
1288 Closed Block Liabilities, Policyholder Dividends Payable Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesPolicyholderDividendsPayable
1289 Closed Block Dividend Obligation Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesPolicyholderDividendObligation
1290 Closed Block Liabilities, Other Closed Block Liabilities Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilitiesOtherClosedBlockLiabilities
1291 Closed Block Liabilities, Total Concept (Monetary) As Of Credit us-gaap:ClosedBlockLiabilities
1292 Assets Designated to Closed Block [Abstract] Abstract us-gaap:AssetsDesignatedToClosedBlockAbstract
1293 Assets Designated to Closed Block, Investments [Abstract] Abstract us-gaap:AssetsDesignatedToClosedBlockInvestmentsAbstract
1294 Assets Designated to Closed Block, Fixed Maturities, Held-to-maturity, at Amortized Cost Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockFixedMaturitiesHeldToMaturityAtAmortizedCost
1295 Assets Designated to Closed Block, Fixed Maturity, Available-for-sale, at Fair Value Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockFixedMaturityAvailableForSaleAtFairValue
1296 Assets Designated to Closed Block, Equity Securities, at Fair Value Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockEquitySecuritiesAtFairValue
1297 Assets Designated to Closed Block, Mortgage Loans on Real Estate Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockMortgageLoansOnRealEstate
1298 Assets Designated to Closed Block, Trading Securities, Debt Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockTradingSecuritiesDebt
1299 Assets Designated to Closed Block, Policy Loans Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockPolicyLoans
1300 Assets Designated to Closed Block, Real Estate Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockRealEstate
1301 Assets Designated to Closed Block, Short-term Investments Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockShortTermInvestments
1302 Assets Designated to Closed Block, Other Investments [Abstract] Abstract us-gaap:AssetsDesignatedToClosedBlockOtherInvestmentsAbstract
1303 Assets Designated to Closed Block, Other Short-term Investments Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockOtherShortTermInvestments
1304 Assets Designated to Closed Block, Other Long-term Investments Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockOtherLongTermInvestments
1305 Assets Designated to Closed Block, Other Investments, Total Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockOtherInvestments
1306 Assets Designated to Closed Block, Investments, Total Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockInvestments
1307 Assets Designated to Closed Block, Cash and Cash Equivalents Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockCashAndCashEquivalents
1308 Assets Designated to Closed Block, Premiums and Other Receivables, Net Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockPremiumsAndOtherReceivablesNet
1309 Assets Designated to Closed Block, Income Tax Receivable Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockIncomeTaxReceivable
1310 Assets Designated to Closed Block, Accrued Investment Income Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockAccruedInvestmentIncome
1311 Assets Designated to Closed Block, Deferred Tax Asset, Net Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockDeferredTaxAssetNet
1312 Assets Designated to Closed Block, Other Closed Block Assets Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockOtherClosedBlockAssets1
1313 Assets Designated to Closed Block, Total Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlock
1314 Excess of Reported Closed Block Liabilities over Assets Designated to Closed Block, Total Concept (Monetary) As Of Credit us-gaap:ExcessOfReportedClosedBlockLiabilitiesOverAssetsDesignatedToClosedBlock
1315 Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized [Roll Forward] Abstract us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognizedRollForward
1316 Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized, Beginning Balance Concept (Monetary) As Of Credit us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognized
1317 Closed Block Operations, Net Results Concept (Monetary) For Period Credit us-gaap:ClosedBlockOperationsNetResults
1318 Closed Block Assets and Liabilities Maximum Future Earnings to be Recognized, Other Adjustments Concept (Monetary) For Period Credit us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognizedOtherAdjustments
1319 Closed Block Assets and Liabilities Maximum Future Earnings to be Recognized, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognizedPeriodIncreaseDecrease
1320 Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized, Ending Balance Concept (Monetary) As Of Credit us-gaap:ClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognized
1321 Closed Block Assets and Liabilities, Effect on Other Comprehensive Income (Loss) [Abstract] Abstract us-gaap:ClosedBlockAssetsAndLiabilitiesEffectOnOtherComprehensiveIncomeAbstract
1322 Closed Block Assets and Liabilities, Change in Policyholder Dividend Obligation Concept (Monetary) As Of Credit us-gaap:ClosedBlockAssetsAndLiabilitiesChangeInPolicyholderDividendObligation
1323 Closed Block Investments, Available-for-sale, Change in Unrealized Appreciation Concept (Monetary) As Of Credit us-gaap:ClosedBlockInvestmentsAvailableForSaleChangeInUnrealizedAppreciation
1324 Closed Block Assets and Liabilities, Effect on Other Comprehensive Income (Loss), Total Concept (Monetary) As Of Credit us-gaap:ClosedBlockAssetsAndLiabilitiesEffectOnOtherComprehensiveIncome
1325 Closed Block Investments, Fixed Maturity, Available-for-sale, Amortized Cost Concept (Monetary) As Of Debit us-gaap:ClosedBlockInvestmentsFixedMaturityAvailableForSaleAmortizedCost
1326 Assets Designated to Closed Block, Equity Securities, Available-for-sale, at Fair Value Concept (Monetary) As Of Debit us-gaap:AssetsDesignatedToClosedBlockEquitySecuritiesAvailableForSaleAtFairValue
1327 Statutory Accounting Practices Disclosure [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:StatutoryAccountingPracticesDisclosureTextBlock
1328 Statutory Accounting Practices [Table] Hypercube us-gaap:StatutoryAccountingPracticesTable
1329 Jurisdiction [Axis] Dimension us-gaap:StatutoryAccountingPracticesByJurisdictionAxis
1330 Statutory Accounting Practices, Jurisdiction [Domain] Member us-gaap:StatutoryAccountingPracticesJurisdictionDomain
1331 Statutory Accounting Practices [Line Items] LineItems us-gaap:StatutoryAccountingPracticesLineItems
1332 Statutory Accounting Practices, Statutory to GAAP, Description of Reconciling Item Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesStatutoryToGAAPDescriptionOfReconcilingItem
1333 Statutory Accounting Practices, Statutory to GAAP, Amount of Reconciling Item Concept (Monetary) As Of Debit us-gaap:StatutoryAccountingPracticesStatutoryToGAAPAmountOfReconcilingItem
1334 State Insurance Department, Statutory to NAIC, Description of Reconciling Item Concept (Text/String) For Period us-gaap:StateInsuranceDepartmentStatutoryToNAICDescriptionOfReconcilingItem
1335 State Insurance Department, Statutory to NAIC, Amount of Reconciling Item Concept (Monetary) As Of Debit us-gaap:StateInsuranceDepartmentStatutoryToNAICAmountOfReconcilingItem
1336 Description of Regulatory Capital Requirements under Insurance Regulations Concept (Text/String) For Period us-gaap:DescriptionOfRegulatoryCapitalRequirementsUnderInsuranceRegulations
1337 Statutory Accounting Practices, Statutory Capital and Surplus Required Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired
1338 Statutory Capital and Surplus Applying National Association of Insurance Commissioners (NAIC) Practices Concept (Monetary) As Of Credit us-gaap:StatutoryCapitalAndSurplusApplyingNationalAssociationOfInsuranceCommissionersNAICPractices
1339 Statutory Accounting Practices, Risk Based Capital Requirements Compliance Assertion Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesRiskBasedCapitalRequirementsComplianceAssertion
1340 Statutory Accounting Practices, Statutory Capital and Surplus, Variations Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusVariations
1341 Statutory Accounting Practices, Statutory Net Income Amount Concept (Monetary) For Period Credit us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount
1342 Statutory Accounting Practices, Statutory Capital and Surplus, Balance Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
1343 Statutory Accounting Practices, Prescribed Practice, Amount Concept (Monetary) For Period Credit us-gaap:StatutoryAccountingPracticesPrescribedPracticeAmount
1344 Statutory Accounting Practices, Description of Prescribed Practice Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesDescriptionOfPrescribedPractice
1345 Statutory Accounting Practices, Description of Permitted Practice Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesDescriptionOfPermittedPractice
1346 Statutory Accounting Practices, Permitted Practice, Amount Concept (Monetary) For Period Credit us-gaap:StatutoryAccountingPracticesPermittedPracticeAmount
1347 Statutory Accounting Practices, Retained Earnings Not Available for Dividends Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesRetainedEarningsNotAvailableForDividends
1348 Statutory Accounting Practices, Portion of Excess Retained Earnings Not Taxed Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesPortionOfExcessRetainedEarningsNotTaxed
1349 Statutory Accounting Practices, Statutory Amount Available for Dividend Payments [Abstract] Abstract us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsAbstract
1350 Statutory Accounting Practices, Statutory Amount Available for Dividend Payments with Regulatory Approval Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval
1351 Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
1352 Statutory Accounting Practices, Statutory Amount Available for Dividend Payments, Total Concept (Monetary) As Of Credit us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
1353 Statutory Accounting Practices, Future Dividend Payments Restrictions Concept (Text/String) For Period us-gaap:StatutoryAccountingPracticesFutureDividendPaymentsRestrictions
1354 Statutory Accounting Practices, Dividends Paid with Approval of Regulatory Agency Concept (Monetary) For Period Credit us-gaap:StatutoryAccountingPracticesDividendsPaidWithApprovalOfRegulatoryAgency
1355 Assets Held by Insurance Regulators Concept (Monetary) As Of Debit us-gaap:AssetsHeldByInsuranceRegulators
1356 Financial Guarantee Insurance Contracts [Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsTextBlock
1357 Financial Guarantee Insurance Contracts, Premium Received over Contract Period [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodTableTextBlock
1358 Financial Guarantee Insurance Contracts, Premium Received over Contract Period [Table] Hypercube us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodTable
1359 Income Statement Location [Axis] Dimension us-gaap:IncomeStatementLocationAxis
1360 Income Statement Location [Domain] Member us-gaap:IncomeStatementLocationDomain
1361 Sales [Member] Member us-gaap:SalesMember
1362 Trading Revenue [Member] Member us-gaap:TradingRevenueMember
1363 Cost of Sales [Member] Member us-gaap:CostOfSalesMember
1364 Principal or Proprietary Transactions [Member] Member us-gaap:PrincipalOrProprietaryTransactionsMember
1365 Asset Management Income [Member] Member us-gaap:AssetManagementIncomeMember
1366 Other Income [Member] Member us-gaap:OtherIncomeMember
1367 Interest Income [Member] Member us-gaap:InterestIncomeMember
1368 Investment Income [Member] Member us-gaap:InvestmentIncomeMember
1369 Operating Income (Loss) [Member] Member us-gaap:OperatingIncomeLossMember
1370 Other Operating Income (Expense) [Member] Member us-gaap:OtherOperatingIncomeExpenseMember
1371 Interest Expense [Member] Member us-gaap:InterestExpenseMember
1372 Operating Expense [Member] Member us-gaap:OperatingExpenseMember
1373 Other Expense [Member] Member us-gaap:OtherExpenseMember
1374 Gain (Loss) on Derivative Instruments [Member] Member us-gaap:GainLossOnDerivativeInstrumentsMember
1375 Gain (Loss) on Investments [Member] Member us-gaap:GainLossOnInvestmentsMember1
1376 Investment Income (Expense) [Member] Member us-gaap:InvestmentIncomeExpenseMember
1377 Nonoperating Income (Expense) [Member] Member us-gaap:NonoperatingIncomeExpenseMember
1378 Other Nonoperating Income (Expense) [Member] Member us-gaap:OtherNonoperatingIncomeExpenseMember
1379 Foreign Currency Gain (Loss) [Member] Member us-gaap:ForeignCurrencyGainLossMember
1380 Sale of Subsidiary Gain (Loss) [Member] Member us-gaap:SaleOfSubsidiaryGainLossMember
1381 Selling, General and Administrative Expenses [Member] Member us-gaap:SellingGeneralAndAdministrativeExpensesMember
1382 Selling and Marketing Expense [Member] Member us-gaap:SellingAndMarketingExpenseMember
1383 General and Administrative Expense [Member] Member us-gaap:GeneralAndAdministrativeExpenseMember
1384 Financial Guarantee Insurance Contracts, Premium Received over Contract Period [Line Items] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodAbstract
1385 Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Premium Receivable, Weighted Average Risk Free Discount Rate Concept (dtr-types:percentItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodPremiumReceivableWeightedAverageRiskFreeDiscountRate
1386 Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Premium Receivable, Weighted Average Collection Period Concept (xbrli:durationItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodPremiumReceivableWeightedAverageCollectionPeriod1
1387 Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Premium Receivable Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodPremiumReceivable
1388 Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Unearned Premium Revenue Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodUnearnedPremiumRevenue
1389 Financial Guarantee Insurance Contracts, Premium Received over Contract Period, Premium Receivable, Accretion Concept (Monetary) For Period Credit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivedOverContractPeriodPremiumReceivableAccretion
1390 Financial Guarantee Insurance Contracts, Premium Receivable, Premium Expected to be Collected [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollectedAbstract
1391 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year One [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedWithinOneYearFromBalanceSheetDateAbstract
1392 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, First Quarter Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFirstQuarterFollowingBalanceSheetDate
1393 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Second Quarter Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringSecondQuarterFollowingTheBalanceSheetDate
1394 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Third Quarter Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringThirdQuarterFollowingBalanceSheetDate
1395 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Fourth Quarter Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedDuringFourthQuarterFollowingBalanceSheetDate
1396 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year One, Total Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedWithinOneYearFromBalanceSheetDate
1397 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year Two Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate
1398 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year Three Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate
1399 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year Four Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate
1400 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, Year Five Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate
1401 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 5 Through 10 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThanFiveAndWithin10YearsFromBalanceSheetDate
1402 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 10 Through 15 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan10AndWithin15YearsFromBalanceSheetDate
1403 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 15 Through 20 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan15AndWithin20YearsFromBalanceSheetDate
1404 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 20 Through 25 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan20AndWithin25YearsFromBalanceSheetDate
1405 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 25 Through 30 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan25AndWithin30YearsFromBalanceSheetDate
1406 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 30 Through 35 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan30AndWithin35YearsFromBalanceSheetDate
1407 Financial Guarantee Insurance Contract, Premium Receivable, to be Collected, after Year 35 Through 40 Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumExpectedToBeCollectedMoreThan35AndWithin40YearsFromBalanceSheetDate
1408 Financial Guarantee Insurance Contracts, Premium Receivable, Premium Expected to be Collected, Total Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivablePremiumExpectedToBeCollected
1409 Financial Guarantee Insurance Contracts, Accelerated Premium Revenue, Amount [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmountAbstract
1410 Financial Guarantee Insurance Contracts, Accelerated Premium Revenue, Amount Concept (Monetary) For Period Credit us-gaap:FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueAmount
1411 Financial Guarantee Insurance Contracts, Accelerated Premium Revenue, Explanation Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsAcceleratedPremiumRevenueExplanation
1412 Financial Guarantee Insurance Contracts, Unearned Premium Revenue, Fiscal Year Maturity [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedAbstract
1413 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year One [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedOneYearFromBalanceSheetDateAbstract
1414 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, First Quarter Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFirstQuarterFollowingBalanceSheetDate
1415 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Second Quarter Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringSecondQuarterFollowingBalanceSheetDate
1416 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Third Quarter Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringThirdQuarterFollowingBalanceSheetDate
1417 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Fourth Quarter Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedDuringFourthQuarterFollowingBalanceSheetDate
1418 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year One, Total Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedOneYearFromBalanceSheetDate
1419 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year Two Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanOneAndWithinTwoYearsFromBalanceSheetDate
1420 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year Three Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanTwoAndWithinThreeYearsFromBalanceSheetDate
1421 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year Four Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanThreeAndWithinFourYearsFromBalanceSheetDate
1422 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Year Five Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFourAndWithinFiveYearsFromBalanceSheetDate
1423 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 5 Through 10 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThanFiveAndWithin10YearsFromBalanceSheetDate
1424 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 10 Through 15 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan10AndWithin15YearsFromBalanceSheetDate
1425 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 15 Through 20 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan15AndWithin20YearsFromBalanceSheetDate
1426 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 20 Through 25 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan20AndWithin25YearsFromBalanceSheetDate
1427 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 25 Through 30 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan25AndWithin30YearsFromBalanceSheetDate
1428 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 30 Through 35 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan30AndWithin35YearsFromBalanceSheetDate
1429 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, after Year 35 Through 40 Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedMoreThan35AndWithin40YearsFromBalanceSheetDate
1430 Financial Guarantee Insurance Contracts, Unearned Premium Revenue, Total Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognized
1431 Financial Guarantee Insurance Contracts, Premium Receivable [Roll Forward] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivableRollForward
1432 Financial Guarantee Insurance Contracts, Premium Receivable, Beginning Balance Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivable
1433 Financial Guarantee Insurance Contracts, Premium Receivable, Proceeds from Premiums Received Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivableProceedsFromPremiumsReceived
1434 Financial Guarantee Insurance Contracts Premium Receivable New Business Written Concept (Monetary) For Period Credit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivableNewBusinessWritten
1435 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentAbstract
1436 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Change in Period of Contract [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContractAbstract
1437 Financial Guarantee Insurance Contracts, Premiums Receivable, Increase (Decrease), Change in Period of Contract Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContract
1438 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Change in Period of Contract, Explanation Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentChangeInPeriodOfContractExplanation
1439 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Accretion of Discount on Premium Receivable Concept (Monetary) For Period Credit us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAccretionOfDiscountOnPremiumReceivable
1440 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Other Adjustments [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentOtherAdjustmentsAbstract
1441 Financial Guarantee Insurance Contracts, Premiums Receivable, Increase (Decrease), Other Adjustments Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentOtherAdjustments
1442 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Other Adjustments, Explanation Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustmentOtherAdjustmentsExplanation
1443 Financial Guarantee Insurance Contracts, Premiums Receivable, Adjustment, Total Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivableAdjustment
1444 Financial Guarantee Insurance Contracts, Premiums Receivable, Period Increase (Decrease), Total Concept (Monetary) For Period us-gaap:FinancialGuaranteeInsuranceContractsPremiumsReceivablePeriodIncreaseDecrease
1445 Financial Guarantee Insurance Contracts, Premium Receivable, Ending Balance Concept (Monetary) As Of Debit us-gaap:FinancialGuaranteeInsuranceContractsPremiumReceivable
1446 Financial Guarantee Insurance Contract, Premium Revenue to be Recognized, Remainder of Fiscal Year Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsFutureExpectedPremiumRevenueToBeRecognizedRemainderOfFiscalYear
1447 Financial Guarantee Insurance Contracts, Claim Liability [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityTableTextBlock
1448 Financial Guarantee Insurance Contracts, Claim Liability [Table] Hypercube us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityTable
1449 Income Statement Location [Axis] Dimension us-gaap:IncomeStatementLocationAxis
1450 Income Statement Location [Domain] Member us-gaap:IncomeStatementLocationDomain
1451 Sales [Member] Member us-gaap:SalesMember
1452 Trading Revenue [Member] Member us-gaap:TradingRevenueMember
1453 Cost of Sales [Member] Member us-gaap:CostOfSalesMember
1454 Principal or Proprietary Transactions [Member] Member us-gaap:PrincipalOrProprietaryTransactionsMember
1455 Asset Management Income [Member] Member us-gaap:AssetManagementIncomeMember
1456 Other Income [Member] Member us-gaap:OtherIncomeMember
1457 Interest Income [Member] Member us-gaap:InterestIncomeMember
1458 Investment Income [Member] Member us-gaap:InvestmentIncomeMember
1459 Operating Income (Loss) [Member] Member us-gaap:OperatingIncomeLossMember
1460 Other Operating Income (Expense) [Member] Member us-gaap:OtherOperatingIncomeExpenseMember
1461 Interest Expense [Member] Member us-gaap:InterestExpenseMember
1462 Operating Expense [Member] Member us-gaap:OperatingExpenseMember
1463 Other Expense [Member] Member us-gaap:OtherExpenseMember
1464 Gain (Loss) on Derivative Instruments [Member] Member us-gaap:GainLossOnDerivativeInstrumentsMember
1465 Gain (Loss) on Investments [Member] Member us-gaap:GainLossOnInvestmentsMember1
1466 Investment Income (Expense) [Member] Member us-gaap:InvestmentIncomeExpenseMember
1467 Nonoperating Income (Expense) [Member] Member us-gaap:NonoperatingIncomeExpenseMember
1468 Other Nonoperating Income (Expense) [Member] Member us-gaap:OtherNonoperatingIncomeExpenseMember
1469 Foreign Currency Gain (Loss) [Member] Member us-gaap:ForeignCurrencyGainLossMember
1470 Sale of Subsidiary Gain (Loss) [Member] Member us-gaap:SaleOfSubsidiaryGainLossMember
1471 Selling, General and Administrative Expenses [Member] Member us-gaap:SellingGeneralAndAdministrativeExpensesMember
1472 Selling and Marketing Expense [Member] Member us-gaap:SellingAndMarketingExpenseMember
1473 General and Administrative Expense [Member] Member us-gaap:GeneralAndAdministrativeExpenseMember
1474 Financial Guarantee Insurance Contracts, Claim Liability [Line Items] Abstract us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityAbstract
1475 Financial Guarantee Insurance Contracts, Claim Liability, Weighted Average Risk Free Discount Rate Concept (dtr-types:percentItemType) For Period us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilityWeightedAverageRiskFreeDiscountRate
1476 Financial Guarantee Insurance Contracts, Claim Liability, Significant Components of Change, Effect of Change in Discount Rate Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeEffectOfChangeInDiscountRate
1477 Financial Guarantee Insurance Contracts, Claim Liability, Significant Components of Change, Accretion of Discount Concept (Monetary) For Period Credit us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeAccretionOfDiscount
1478 Financial Guarantee Insurance Contracts, Claim Liability, Significant Components of Change, Timing Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeTiming
1479 Financial Guarantee Insurance Contracts, Claim Liability, Significant Components of Change, Likelihood of Default Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsClaimLiabilitySignificantComponentsOfChangeLikelihoodOfDefault
1480 Financial Guarantee Insurance Contracts, Risk Management Activities [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesAbstract
1481 Financial Guarantee Insurance Contracts, Risk Management Activities, Description of Categories Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesDescriptionOfCategories
1482 Financial Guarantee Insurance Contracts, Risk Management Activities, Policies for Placement in Grouping Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesPoliciesForPlacementInGrouping
1483 Financial Guarantee Insurance Contracts, Risk Management Activities, Mitigating Claim Liabilities [Abstract] Abstract us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesAbstract
1484 Financial Guarantee Insurance Contracts, Risk Management Activities, Mitigating Claim Liabilities, Policy Concept (Text/String) For Period us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesPolicy
1485 Financial Guarantee Insurance Contracts, Risk Management Activities, Mitigating Claim Liabilities, Expense Concept (Monetary) For Period Debit us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesExpense
1486 Financial Guarantee Insurance Contracts, Risk Management Activities, Mitigating Claim Liabilities, Accrued Liabilities Concept (Monetary) As Of Credit us-gaap:FinancialGuaranteeInsuranceContractsRiskManagementActivitiesMitigatingClaimLiabilitiesAccruedLiabilities
1487 Schedule of Insured Financial Obligations with Credit Deterioration [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationTextBlock
1488 Schedule of Insured Financial Obligations with Credit Deterioration [Table] Hypercube us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationTable
1489 Credit Deterioration Surveillance Category [Axis] Dimension us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationBySurveillanceCategoryAxis
1490 Surveillance Category [Domain] Member us-gaap:SurveillanceCategoryDomain
1491 Schedule of Insured Financial Obligations with Credit Deterioration [Line Items] LineItems us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationLineItems
1492 Schedule of Insured Financial Obligations with Credit Deterioration, Number of Contracts Issued and Outstanding Concept (Decimal) As Of us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNumberOfContractsIssuedAndOutstanding
1493 Insured Financial Obligations with Credit Deterioration, Remaining Weighted Average Contract Period Concept (xbrli:durationItemType) For Period us-gaap:InsuredFinancialObligationsWithCreditDeteriorationRemainingWeightedAverageContractPeriod
1494 Schedule of Insured Financial Obligations with Credit Deterioration, Insured Contractual Payments Outstanding [Abstract] Abstract us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingAbstract
1495 Schedule of Insured Financial Obligations with Credit Deterioration, Insured Contractual Payments Outstanding, Principal Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingPrincipal
1496 Schedule of Insured Financial Obligations with Credit Deterioration, Insured Contractual Payments Outstanding, Interest Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstandingInterest
1497 Schedule of Insured Financial Obligations with Credit Deterioration, Insured Contractual Payments Outstanding, Total Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationInsuredContractualPaymentsOutstanding
1498 Schedule of Insured Financial Obligations with Credit Deterioration, Net Claim Liability [Abstract] Abstract us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiabilityAbstract
1499 Schedule of Insured Financial Obligations with Credit Deterioration, Gross Claim Liability Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationGrossClaimLiability
1500 Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability [Abstract] Abstract us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityAbstract
1501 Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability, Gross Potential Recoveries Concept (Monetary) As Of Debit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityGrossPotentialRecoveries
1502 Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability, Net Discount Concept (Monetary) As Of Debit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiabilityNetDiscount
1503 Schedule of Insured Financial Obligations with Credit Deterioration, Reductions of Gross Claim Liability, Total Concept (Monetary) As Of Debit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationReductionsOfGrossClaimLiability
1504 Schedule of Insured Financial Obligations with Credit Deterioration, Net Claim Liability, Total Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationNetClaimLiability
1505 Schedule of Insured Financial Obligations with Credit Deterioration, Statement of Financial Position, Unearned Premium Revenue Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionUnearnedPremiumRevenue
1506 Schedule of Insured Financial Obligations with Credit Deterioration, Statement of Financial Position, Claim Liability Concept (Monetary) As Of Credit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionClaimLiability
1507 Schedule of Insured Financial Obligations with Credit Deterioration, Statement of Financial Position, Reinsurance Recoverable Concept (Monetary) As Of Debit us-gaap:ScheduleOfInsuredFinancialObligationsWithCreditDeteriorationStatementOfFinancialPositionReinsuranceRecoverable
1508 Surplus Notes, Domiciliary State Commissioner's Role Concept (Text/String) For Period us-gaap:SurplusNotesDomiciliaryStateCommissionersRole
1509 Table Text Block Supplement [Abstract] Abstract us-gaap:TableTextBlockSupplementAbstract
1510 Change in Closed Block Assets and Liabilities, Maximum Future Earnings to be Recognized [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ChangeInClosedBlockAssetsAndLiabilitiesMaximumFutureEarningsToBeRecognizedTableTextBlock
1511 Closed Block Dividend Obligation [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ClosedBlockDividendObligationTableTextBlock
1512 Closed Block Operations, Net Results [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ClosedBlockOperationsNetResultsTableTextBlock
1513 Schedule of Closed Block Assets and Liabilities [Table Text Block] Concept (dtr-types:textBlockItemType) For Period us-gaap:ScheduleOfClosedBlockAssetsAndLiabilities