326000 - Disclosure - Credit Losses, Debt Securities, Available-for-sale, Allowance for Credit Loss [Table]

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us-gaap:DebtSecuritiesAvailableforsaleAllowanceForCreditLossLineItems
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRollForward
1.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
2.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded
3.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
4.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold
5.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossSellBeforeRecovery
6.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotToSellBeforeRecoveryCreditLossPreviouslyRecordedExpenseReversal
7.0
us-gaap:DebtSecuritiesAvailableForSaleChangeInPresentValueExpenseReversal
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us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff
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us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery
10.0
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease
11.0
us-gaap:DebtSecuritiesAvailableForSaleChangeInPresentValueInterestIncome
12.0
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us-gaap:SeniorDebtObligationsMember
1.0
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us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember
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13.0
us-gaap:ForeignGovernmentDebtSecuritiesMember
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us-gaap:CorporateDebtSecuritiesMember
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us-gaap:DomesticCorporateDebtSecuritiesMember
16.0
us-gaap:ForeignCorporateDebtSecuritiesMember
17.0
us-gaap:ConvertibleDebtSecuritiesMember
18.0
us-gaap:AssetBackedSecuritiesMember
19.0
us-gaap:MortgageBackedSecuritiesMember
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us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember
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us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
22.0
us-gaap:ResidentialMortgageBackedSecuritiesMember
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us-gaap:CommercialMortgageBackedSecuritiesMember
24.0
us-gaap:CollateralizedDebtObligationsMember
25.0
us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember
26.0
us-gaap:InterestOnlyStripMember
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us-gaap:PrincipalOnlyStripMember
28.0
us-gaap:FixedIncomeSecuritiesMember
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us-gaap:AuctionRateSecuritiesMember
30.0
us-gaap:VariableRateDemandObligationMember
31.0
us-gaap:OtherDebtSecuritiesMember
32.0
us-gaap:CommonStockMember
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us-gaap:PreferredStockMember
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us-gaap:NonredeemablePreferredStockMember
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us-gaap:RedeemablePreferredStockMember
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us-gaap:ContingentConvertiblePreferredStockMember
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