| Line | Label | Object Class | Period Type | Balance | Report Element Name |
|---|---|---|---|---|---|
| 1 | 330000 - Disclosure - Investments, Debt and Equity Securities | Network | http://fasb.org/us-gaap/role/disclosure/InvestmentsDebtAndEquitySecurities | ||
| 2 | Investments, Debt and Equity Securities [Abstract] | Abstract | us-gaap:InvestmentsDebtAndEquitySecuritiesAbstract | ||
| 3 | Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock | |
| 4 | Marketable Securities [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:MarketableSecuritiesTextBlock | |
| 5 | Marketable Securities [Table] | Table | us-gaap:MarketableSecuritiesTable | ||
| 6 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 7 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 8 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 9 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 10 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 11 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 12 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 13 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 14 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 15 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 16 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 17 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 18 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 19 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 20 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 21 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 22 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 23 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 24 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 25 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 26 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 27 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 28 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 29 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 30 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 31 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 32 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 33 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 34 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 35 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 36 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 37 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 38 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 39 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 40 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 41 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 42 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 43 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 44 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 45 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 46 | Marketable Securities [Line Items] | LineItems | us-gaap:MarketableSecuritiesLineItems | ||
| 47 | Marketable Securities [Abstract] | Abstract | us-gaap:MarketableSecuritiesAbstract | ||
| 48 | Marketable Securities, Current | Concept (Monetary) | As Of | Debit | us-gaap:MarketableSecuritiesCurrent |
| 49 | Marketable Securities, Noncurrent | Concept (Monetary) | As Of | Debit | us-gaap:MarketableSecuritiesNoncurrent |
| 50 | Marketable Securities, Total | Concept (Monetary) | As Of | Debit | us-gaap:MarketableSecurities |
| 51 | Marketable Securities, Gain (Loss) [Abstract] | Abstract | us-gaap:MarketableSecuritiesGainLossAbstract | ||
| 52 | Marketable Securities, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesUnrealizedGainLoss |
| 53 | Marketable Securities, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesRealizedGainLoss |
| 54 | Marketable Securities, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesGainLoss |
| 55 | Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:TradingSecuritiesAndCertainTradingAssetsTextBlock | |
| 56 | Debt Securities, Trading, and Equity Securities, FV-NI [Table] | Table | us-gaap:ScheduleOfTradingSecuritiesAndOtherTradingAssetsTable | ||
| 57 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 58 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 59 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 60 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 61 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 62 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 63 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 64 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 65 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 66 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 67 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 68 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 69 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 70 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 71 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 72 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 73 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 74 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 75 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 76 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 77 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 78 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 79 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 80 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 81 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 82 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 83 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 84 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 85 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 86 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 87 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 88 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 89 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 90 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 91 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 92 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 93 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 94 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 95 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 96 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 97 | Debt and Equity Securities, FV-NI [Line Items] | LineItems | us-gaap:ScheduleOfTradingSecuritiesAndOtherTradingAssetsLineItems | ||
| 98 | Debt Securities, Trading, and Equity Securities, FV-NI [Abstract] | Abstract | us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiAbstract | ||
| 99 | Debt Securities, Trading | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesDebt |
| 100 | Equity Securities, FV-NI | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesFvNi |
| 101 | Debt Securities, Trading, and Equity Securities, FV-NI, Total | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecurities |
| 102 | Debt Securities, Trading, and Equity Securities, FV-NI, Cost [Abstract] | Abstract | us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiCostAbstract | ||
| 103 | Equity Securities, FV-NI, Cost | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesFvNiCost |
| 104 | Debt Securities, Trading, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesDebtAmortizedCost |
| 105 | Debt Securities, Trading, and Equity Securities, FV-NI, Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesTradingAndEquitySecuritiesFvNiCost |
| 106 | Debt Securities, Trading, Restricted [Abstract] | Abstract | us-gaap:DebtSecuritiesTradingRestrictedAbstract | ||
| 107 | Debt Securities, Trading, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesTradingRestricted |
| 108 | Debt Securities, Trading, Restriction Type [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:DebtSecuritiesTradingRestrictionTypeExtensibleList | |
| 109 | Equity Securities, Restricted [Abstract] | Abstract | us-gaap:EquitySecuritiesRestrictedAbstract | ||
| 110 | Equity Securities, FV-NI, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesFvNiRestricted |
| 111 | Equity Securities, FV-NI, Restriction Type [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:EquitySecuritiesFvNiRestrictionTypeExtensibleList | |
| 112 | Debt Securities, Trading, Gain (Loss) [Abstract] | Abstract | us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecuritiesAbstract | ||
| 113 | Debt Securities, Trading, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:TradingSecuritiesUnrealizedHoldingGainLossAbstract | ||
| 114 | Debt Securities, Trading, Unrealized Gain | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingUnrealizedGain |
| 115 | Debt Securities, Trading, Unrealized Loss | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesTradingUnrealizedLoss |
| 116 | Debt Securities, Trading, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingUnrealizedGainLoss |
| 117 | Debt Securities, Trading, Realized Gain (Loss) [Abstract] | Abstract | us-gaap:TradingSecuritiesRealizedGainLossAbstract | ||
| 118 | Debt Securities, Trading, Realized Gain | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingRealizedGain |
| 119 | Debt Securities, Trading, Realized Loss | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesTradingRealizedLoss |
| 120 | Debt Securities, Trading, Realized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingRealizedGainLoss |
| 121 | Debt Securities, Trading, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingGainLoss |
| 122 | Equity Securities, FV-NI, Gain (Loss) [Abstract] | Abstract | us-gaap:EquitySecuritiesFvNiGainLossAbstract | ||
| 123 | Equity Securities, FV-NI, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:EquitySecuritiesFvNiUnrealizedGainLossAbstract | ||
| 124 | Equity Securities, FV-NI, Unrealized Gain | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiUnrealizedGain |
| 125 | Equity Securities, FV-NI, Unrealized Loss | Concept (Monetary) | For Period | Debit | us-gaap:EquitySecuritiesFvNiUnrealizedLoss |
| 126 | Equity Securities, FV-NI, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss |
| 127 | Equity Securities, FV-NI, Realized Gain (Loss) [Abstract] | Abstract | us-gaap:EquitySecuritiesFvNiRealizedGainLossAbstract | ||
| 128 | Equity Securities, FV-NI, Realized Gain | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiRealizedGain |
| 129 | Equity Securities, FV-NI, Realized Loss | Concept (Monetary) | For Period | Debit | us-gaap:EquitySecuritiesFvNiRealizedLoss |
| 130 | Equity Securities, FV-NI, Realized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiRealizedGainLoss |
| 131 | Equity Securities, FV-NI, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiGainLoss |
| 132 | Equity Securities, FV-NI and without Readily Determinable Fair Value [Abstract] | Abstract | us-gaap:EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValueAbstract | ||
| 133 | Equity Securities, FV-NI | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesFvNi |
| 134 | Equity Securities without Readily Determinable Fair Value, Amount | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount |
| 135 | Equity Securities, Fair Value Recognized in Net Income and without Readily Determinable Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesFvNiAndWithoutReadilyDeterminableFairValue |
| 136 | Debt Securities, Available-for-sale [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:DebtSecuritiesAvailableForSaleTableTextBlock | |
| 137 | Debt Securities, Available-for-sale [Table] | Table | us-gaap:DebtSecuritiesAvailableForSaleTable | ||
| 138 | Statistical Measurement [Axis] | Axis | srt:RangeAxis | ||
| 139 | Statistical Measurement [Domain] | Member | srt:RangeMember | ||
| 140 | Maximum [Member] | Member | srt:MaximumMember | ||
| 141 | Minimum [Member] | Member | srt:MinimumMember | ||
| 142 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 143 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 144 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 145 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 146 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 147 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 148 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 149 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 150 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 151 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 152 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 153 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 154 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 155 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 156 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 157 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 158 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 159 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 160 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 161 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 162 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 163 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 164 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 165 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 166 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 167 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 168 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 169 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 170 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 171 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 172 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 173 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 174 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 175 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 176 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 177 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 178 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 179 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 180 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 181 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 182 | Debt Securities, Available-for-sale [Line Items] | LineItems | us-gaap:ScheduleOfAvailableForSaleSecuritiesLineItems | ||
| 183 | Debt Securities, Available-for-sale [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesAbstract | ||
| 184 | Debt Securities, Available-for-sale, Current | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecuritiesCurrent |
| 185 | Debt Securities, Available-for-sale, Noncurrent | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecuritiesNoncurrent |
| 186 | Debt Securities, Available-for-sale, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 187 | Debt Securities, Available-for-sale, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis |
| 188 | Debt Securities, Available-for-sale, Gain (Loss) [Abstract] | Abstract | us-gaap:DebtSecuritiesAvailableForSaleGainLossAbstract | ||
| 189 | Debt Securities, Available-for-sale, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGainLossAbstract | ||
| 190 | Debt Securities, Available-for-sale, Unrealized Gain | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleDebtSecuritiesGrossUnrealizedGain |
| 191 | Debt Securities, Available-for-sale, Unrealized Loss | Concept (Monetary) | For Period | Debit | us-gaap:AvailableForSaleDebtSecuritiesGrossUnrealizedLoss |
| 192 | Debt Securities, Available-for-sale, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedGainLoss |
| 193 | Debt Securities, Available-for-sale, Realized Gain (Loss) [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossAbstract | ||
| 194 | Debt Securities, Available-for-sale, Realized Gain | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGain |
| 195 | Debt Securities, Available-for-sale, Realized Loss | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss |
| 196 | Debt Securities, Available-for-sale, Realized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss |
| 197 | Debt Securities, Available-for-sale, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleGainLoss |
| 198 | Debt Securities, Available-for-sale, Realized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairmentsAbstract | ||
| 199 | Debt Securities, Available-for-sale, Realized Gain | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGain |
| 200 | Debt Securities, Available-for-sale, Realized Loss, Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesAvailableForSaleRealizedLossExcludingOtherThanTemporaryImpairment |
| 201 | Debt Securities, Available-for-sale, Realized Gain (Loss), Excluding Other-than-temporary Impairment, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment |
| 202 | Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax [Abstract] | Abstract | us-gaap:OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract | ||
| 203 | Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, before Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax |
| 204 | Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax |
| 205 | Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax, Total | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax |
| 206 | Debt Securities, Available-for-sale, Premium on Purchased Options [Policy Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:AvailableForSaleSecuritiesPurchasedOptionsPricePolicy | |
| 207 | Debt Securities, Available-for-sale, Cost of Security Sold, Method [Extensible List] | Concept (srt-types:extensibleListItemType) | For Period | us-gaap:DebtSecuritiesAvailableForSaleCostOfSecuritySoldMethodExtensibleList | |
| 208 | Debt Securities, Available-for-sale, Cost of Security Transferred, Method [Extensible List] | Concept (srt-types:extensibleListItemType) | For Period | us-gaap:DebtSecuritiesAvailableForSaleCostOfSecurityTransferredMethodExtensibleList | |
| 209 | Available-for-sale Securities, Debt Maturities [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAbstract | ||
| 210 | Debt Securities, Available-for-sale, Maturity Allocation [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityAllocationExtensibleList | |
| 211 | Debt Securities, Available-for-sale, Amortized Cost, Fiscal Year Maturity [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract | ||
| 212 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract | ||
| 213 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost |
| 214 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost |
| 215 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost |
| 216 | Debt Securities, Available-for-sale, Allocated and Single Maturity Date, Maturity, after 10 Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost |
| 217 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
| 218 | Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost |
| 219 | Debt Securities, Available-for-sale, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis |
| 220 | Debt Securities, Available-for-sale, Maturity, Remainder of Fiscal Year, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearAmortizedCostBasis |
| 221 | Debt Securities, Available-for-sale, Maturity, Amortized Cost, Rolling Maturity [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostBasisRollingMaturityAbstract | ||
| 222 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Rolling Maturity [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisRollingMaturityAbstract | ||
| 223 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis |
| 224 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis |
| 225 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis |
| 226 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis |
| 227 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
| 228 | Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost |
| 229 | Debt Securities, Available-for-sale, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis |
| 230 | Debt Securities, Available-for-sale, Fair Value, Fiscal Year Maturity [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract | ||
| 231 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAbstract | ||
| 232 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue |
| 233 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
| 234 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
| 235 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue |
| 236 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate |
| 237 | Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
| 238 | Debt Securities, Available-for-sale, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 239 | Debt Securities, Available-for-sale, Maturity, Remainder of Fiscal Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue |
| 240 | Debt Securities, Available-for-sale, Maturity, Fair Value, Rolling Maturity [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesFairValueRollingMaturityAbstract | ||
| 241 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateRollingMaturityAbstract | ||
| 242 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue |
| 243 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue |
| 244 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue |
| 245 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue |
| 246 | Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate |
| 247 | Debt Securities, Available-for-sale, Maturity, without Single Maturity Date, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
| 248 | Debt Securities, Available-for-sale, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 249 | Debt Securities, Available-for-sale, Maturity Date | Concept (Date) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityDate | |
| 250 | Debt Securities, Available-for-sale, Maturity, Weighted Average Yield [Abstract] | Abstract | us-gaap:DebtSecuritiesAvailableForSaleMaturityWeightedAverageYieldAbstract | ||
| 251 | Debt Securities, Available-for-sale, Maturity, within One Year, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield | |
| 252 | Debt Securities, Available-for-sale, Maturity, after One Through Five Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield | |
| 253 | Debt Securities, Available-for-sale, Maturity, after Five Through Ten Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield | |
| 254 | Debt Securities, Available-for-sale, Maturity, after 10 Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield | |
| 255 | Debt Securities, Available-for-sale, Rolling Maturity, Weighted Average Yield [Abstract] | Abstract | us-gaap:DebtSecuritiesAvailableForSaleRollingMaturityWeightedAverageYieldAbstract | ||
| 256 | Debt Securities, Available-for-sale, Maturity, Rolling within One Year, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingWithinOneYearWeightedAverageYield | |
| 257 | Debt Securities, Available-for-sale, Maturity, Rolling after One Through Five Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingAfterOneThroughFiveYearsWeightedAverageYield | |
| 258 | Debt Securities, Available-for-sale, Maturity, Rolling after Five Through Ten Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingAfterFiveThroughTenYearsWeightedAverageYield | |
| 259 | Debt Securities, Available-for-sale, Maturity, Rolling after 10 Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesAvailableForSaleMaturityRollingAfter10YearsWeightedAverageYield | |
| 260 | Debt Securities, Available-for-sale, Transfer to Trading, Gain (Loss) [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesTransfersToTradingGainsLossesNetAbstract | ||
| 261 | Debt Securities, Available-for-sale, Transfer to Trading, Gain | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleTransferToTradingGain |
| 262 | Debt Securities, Available-for-sale, Transfer to Trading, Loss | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesAvailableForSaleTransferToTradingLoss |
| 263 | Debt Securities, Available-for-sale, Transfer to Trading, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleTransferToTradingGainLoss |
| 264 | Available-for-sale Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionQualitativeDisclosureAbstract | ||
| 265 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Nature | Concept (Text/String) | For Period | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNature | |
| 266 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Cause | Concept (Text/String) | For Period | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureCause | |
| 267 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Number of Positions [Abstract] | Abstract | us-gaap:AvailableForsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsAbstract | ||
| 268 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Concept (Integer) | As Of | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions | |
| 269 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Concept (Integer) | As Of | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions | |
| 270 | Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | Concept (Integer) | As Of | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions | |
| 271 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Severity | Concept (Text/String) | For Period | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureSeverity | |
| 272 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other | Concept (Text/String) | For Period | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOther | |
| 273 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Key Performance Indicator [Abstract] | Abstract | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherKeyPerformanceIndicatorAbstract | ||
| 274 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Default Rate | Concept (Percent) | For Period | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDefaultRate | |
| 275 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Delinquency Rate | Concept (Percent) | For Period | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDelinquencyRate | |
| 276 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Percentage of Nonperforming Assets | Concept (Percent) | For Period | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherPercentageOfNonperformingAssets | |
| 277 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Loan to Collateral Value | Concept (Percent) | For Period | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherLoanToCollateralValue | |
| 278 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Third Party Guarantees, Amount | Concept (Monetary) | As Of | Debit | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherThirdPartyGuaranteesAmount |
| 279 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Level of Subordination | Concept (Decimal) | As Of | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherLevelOfSubordination | |
| 280 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Initial Investment | Concept (Date) | For Period | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherVintage | |
| 281 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Fair Value Volatility, Rate | Concept (Percent) | For Period | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherFairValueVolatilityRate | |
| 282 | Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract | ||
| 283 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
| 284 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
| 285 | Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss |
| 286 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Reportable Items [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesReportableItemsAbstract | ||
| 287 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesAbstract | ||
| 288 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities |
| 289 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings |
| 290 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Total | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSale |
| 291 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresAbstract | ||
| 292 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Methodology | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresMethodology | |
| 293 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Significant Inputs | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresSignificantInputs | |
| 294 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Key Performance Indicator [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresKeyPerformanceIndicatorAbstract | ||
| 295 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Default Rate | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDefaultRate | |
| 296 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDelinquencyRate | |
| 297 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Percentage of Nonperforming Assets | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresPercentageOfNonperformingAssets | |
| 298 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Loan to Collateral Value | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLoanToCollateralValue | |
| 299 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Third Party Guarantees, Amount | Concept (Monetary) | As Of | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThirdPartyGuaranteesAmount |
| 300 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Level of Subordination | Concept (Decimal) | As Of | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLevelOfSubordination | |
| 301 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Initial Investment | Concept (Date) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresVintage | |
| 302 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Geographic Concentration | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresGeographicConcentration | |
| 303 | Other than Temporary Impairment Losses, Investments, Reclassification Adjustment of Noncredit Portion Included in Net Income, Availabe-for-sale Securities, before Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsReclassificationAdjustmentOfNoncreditPortionIncludedInNetIncomeAvailabeforsaleSecuritiesBeforeTax |
| 304 | Available-for-sale Securities, Failed Auction, Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableforsaleSecuritiesFailedAuctionValue |
| 305 | Debt Securities, Available-for-sale, Sold at Par Value | Concept (Monetary) | For Period | Debit | us-gaap:AvailableforsaleSecuritiesSoldAtPar |
| 306 | Debt Securities, Available-for-sale, Restricted [Abstract] | Abstract | us-gaap:DebtSecuritiesAvailableForSaleRestrictedAbstract | ||
| 307 | Debt Securities, Available-for-sale, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleRestricted |
| 308 | Debt Securities, Available-for-sale, Restriction Type [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:DebtSecuritiesAvailableForSaleRestrictionTypeExtensibleList | |
| 309 | Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesFairValueToAmortizedCostBasisAbstract | ||
| 310 | Debt Securities, Available-for-sale | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 311 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | Concept (Monetary) | As Of | Credit | us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
| 312 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
| 313 | Debt Securities, Available-for-sale, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis |
| 314 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax [Abstract] | Abstract | us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTaxAbstract | ||
| 315 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
| 316 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | Concept (Monetary) | As Of | Credit | us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
| 317 | Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax, Total | Concept (Monetary) | As Of | Credit | us-gaap:DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainLossBeforeTax |
| 318 | Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock | |
| 319 | Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] | Table | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTable | ||
| 320 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 321 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 322 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 323 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 324 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 325 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 326 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 327 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 328 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 329 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 330 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 331 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 332 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 333 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 334 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 335 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 336 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 337 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 338 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 339 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 340 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 341 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 342 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 343 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 344 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 345 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 346 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 347 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 348 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 349 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 350 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 351 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 352 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 353 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 354 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 355 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 356 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 357 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 358 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 359 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 360 | Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] | Abstract | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueAbstract | ||
| 361 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months |
| 362 | Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger |
| 363 | Debt Securities, Available-for-sale, Unrealized Loss Position, Total | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition |
| 364 | Debt Securities, Held-to-maturity [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:HeldToMaturitySecuritiesTextBlock | |
| 365 | Debt Securities, Held-to-maturity [Table] | Table | us-gaap:ScheduleOfHeldToMaturitySecuritiesTable | ||
| 366 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 367 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 368 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 369 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 370 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 371 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 372 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 373 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 374 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 375 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 376 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 377 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 378 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 379 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 380 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 381 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 382 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 383 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 384 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 385 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 386 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 387 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 388 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 389 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 390 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 391 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 392 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 393 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 394 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 395 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 396 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 397 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 398 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 399 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 400 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 401 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 402 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 403 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 404 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 405 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 406 | Statistical Measurement [Axis] | Axis | srt:RangeAxis | ||
| 407 | Statistical Measurement [Domain] | Member | srt:RangeMember | ||
| 408 | Maximum [Member] | Member | srt:MaximumMember | ||
| 409 | Minimum [Member] | Member | srt:MinimumMember | ||
| 410 | Schedule of Held-to-maturity Securities [Line Items] | LineItems | us-gaap:ScheduleOfHeldToMaturitySecuritiesLineItems | ||
| 411 | Debt Securities, Held-to-maturity [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesClassifiedAbstract | ||
| 412 | Debt Securities, Held-to-maturity, Current | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesCurrent |
| 413 | Debt Securities, Held-to-maturity, Noncurrent | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesNoncurrent |
| 414 | Debt Securities, Held-to-maturity, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecurities |
| 415 | Debt Securities, Held-to-maturity, Parenthetical Disclosure [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesParentheticalDisclosureAbstract | ||
| 416 | Debt Securities, Held-to-maturity, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesFairValue |
| 417 | Debt Securities, Held-to-maturity, Amortized Cost, before Other-than-temporary Impairment | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment |
| 418 | Debt Securities, Held-to-maturity, Fair Value to Amortized Cost [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesAbstract | ||
| 419 | Debt Securities, Held-to-maturity, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesFairValue |
| 420 | Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
| 421 | Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain | Concept (Monetary) | As Of | Credit | us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
| 422 | Debt Securities, Held-to-maturity, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecurities |
| 423 | Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLossAbstract | ||
| 424 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
| 425 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
| 426 | Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
| 427 | Debt Securities, Held-to-maturity, Contract to Acquire [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesContractsToAcquireSecuritiesToBeAccountedForAsHeldToMaturityAbstract | ||
| 428 | Debt Securities, Held-to-maturity, Premium on Purchased Options, Price [Policy Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:HeldToMaturitySecuritiesPurchasedOptionsPricePolicy | |
| 429 | Debt Securities, Held-to-maturity, Derivative, Cumulative Gain (Loss) [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesGrossGainsLossesDerivativesAbstract | ||
| 430 | Debt Securities, Held-to-maturity, Derivative, Cumulative Gain | Concept (Monetary) | As Of | Credit | us-gaap:DebtSecuritiesHeldToMaturityDerivativeCumulativeGain |
| 431 | Debt Securities, Held-to-maturity, Derivative, Cumulative Loss | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesHeldToMaturityDerivativeCumulativeLoss |
| 432 | Debt Securities, Held-to-maturity, Derivative, Cumulative Gain (Loss), Total | Concept (Monetary) | As Of | Credit | us-gaap:DebtSecuritiesHeldToMaturityDerivativeCumulativeGainLoss |
| 433 | Debt Securities, Held-to-maturity, Maturity [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAbstract | ||
| 434 | Debt Securities, Held-to-maturity, Maturity Allocation [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityAllocationExtensibleList | |
| 435 | Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Net [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract | ||
| 436 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasisAbstract | ||
| 437 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount |
| 438 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount |
| 439 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount |
| 440 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount |
| 441 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
| 442 | Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
| 443 | Debt Securities, Held-to-maturity, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecurities |
| 444 | Debt Securities, Held-to-maturity, Maturity, Fair Value [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesFairValueAbstract | ||
| 445 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValueAbstract | ||
| 446 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, within One Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue |
| 447 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after One Through Five Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
| 448 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after Five Through Ten Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
| 449 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, after 10 Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue |
| 450 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue |
| 451 | Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
| 452 | Debt Securities, Held-to-maturity, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesFairValue |
| 453 | Debt Securities, Held-to-maturity, Maturity, Amortized Cost, Rolling Maturity [Abstract] | Abstract | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesAmortizedCostRollingMaturityAbstract | ||
| 454 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost, Rolling Maturity [Abstract] | Abstract | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostRollingMaturityAbstract | ||
| 455 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCost |
| 456 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCost |
| 457 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCost |
| 458 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesRollingAfterTenYearsAmortizedCost |
| 459 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Amortized Cost, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
| 460 | Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Amortized Cost | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
| 461 | Debt Securities, Held-to-maturity, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecurities |
| 462 | Debt Securities, Held-to-maturity, Maturity, Remainder of Fiscal Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesRemainderOfFiscalYearFairValue |
| 463 | Debt Securities, Held-to-maturity, Maturity, Fair Value, Rolling Maturity [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesFairValueRollingMaturityAbstract | ||
| 464 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Rolling Maturity [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValueRollingMaturityAbstract | ||
| 465 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue |
| 466 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue |
| 467 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after Five Through Ten Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue |
| 468 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesRollingAfterTenYearsFairValue |
| 469 | Debt Securities, Held-to-maturity, Maturity, Allocated and Single Maturity Date, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue |
| 470 | Debt Securities, Held-to-maturity, Maturity, without Single Maturity Date, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
| 471 | Debt Securities, Held-to-maturity, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesFairValue |
| 472 | Debt Securities, Held-to-maturity, Maturity, Date | Concept (Date) | For Period | us-gaap:HeldtomaturitySecuritiesDebtMaturitiesDate | |
| 473 | Debt Securities, Held-to-maturity, Maturity, Weighted Average Yield [Abstract] | Abstract | us-gaap:DebtSecuritiesHeldToMaturityMaturityWeightedAverageYieldAbstract | ||
| 474 | Debt Securities, Held-to-maturity, Maturity, within One Year, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityWithinOneYearWeightedAverageYield | |
| 475 | Debt Securities, Held-to-maturity, Maturity, after One Through Five Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityAfterOneThroughFiveYearsWeightedAverageYield | |
| 476 | Debt Securities, Held-to-maturity, Maturity, after Five Through Ten Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityAfterFiveThroughTenYearsWeightedAverageYield | |
| 477 | Debt Securities, Held-to-maturity, Maturity, after 10 Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityAfter10YearsWeightedAverageYield | |
| 478 | Debt Securities, Held-to-maturity, Rolling Maturity, Weighted Average Yield [Abstract] | Abstract | us-gaap:DebtSecuritiesHeldToMaturityRollingMaturityWeightedAverageYieldAbstract | ||
| 479 | Debt Securities, Held-to-maturity, Maturity, Rolling within One Year, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingWithinOneYearWeightedAverageYield | |
| 480 | Debt Securities, Held-to-maturity, Maturity, Rolling after One Through Five Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterOneThroughFiveYearsWeightedAverageYield | |
| 481 | Debt Securities, Held-to-maturity, Maturity, Rolling after Five Through Ten Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterFiveThroughTenYearsWeightedAverageYield | |
| 482 | Debt Securities, Held-to-maturity, Maturity, Rolling after Ten Years, Weighted Average Yield | Concept (Percent) | As Of | us-gaap:DebtSecuritiesHeldToMaturityMaturityRollingAfterTenYearsWeightedAverageYield | |
| 483 | Debt Securities, Held-to-maturity, Sale or Transfer of Investment [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesSalesOrTransfersOfInvestmentsAbstract | ||
| 484 | Debt Securities, Held-to-maturity, Transfer [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesTransfersAbstract | ||
| 485 | Debt Securities, Held-to-maturity, Transfer, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLossAbstract | ||
| 486 | Debt Securities, Held-to-maturity, Transfer to Trading, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:HeldToMaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLoss |
| 487 | Other Comprehensive Income (Loss), Transfers from Held-to-maturity to Available-for-Sale Securities, before Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherComprehensiveIncomeReclassificationAdjustmentForHeldToMaturityTransferredToAvailableForSaleSecuritiesBeforeTax |
| 488 | Debt Securities, Held-to-maturity, Transfer, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss |
| 489 | Debt Securities, Held-to-maturity, Transfer, Amount | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesHeldToMaturityTransferAmount |
| 490 | Debt Securities, Held-to-maturity, Transfer, Derivative Hedge, Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesHeldToMaturityTransferDerivativeHedgeGainLoss |
| 491 | Debt Securities, Held-to-maturity, Transfer, Circumstance for Decision | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesTransferredSecurityCircumstancesForDecisionToTransfer | |
| 492 | Debt Securities, Held-to-maturity, Sale, Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:HeldtomaturitySecuritiesSalesExcludingOtherThanTemporaryImpairmentsAbstract | ||
| 493 | Debt Securities, Held-to-maturity, Sold, Amount | Concept (Monetary) | For Period | Debit | us-gaap:DebtSecuritiesHeldToMaturitySoldAmount |
| 494 | Debt Securities, Held-to-maturity, Sold, Derivative Hedge, Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesHeldToMaturitySoldDerivativeHedgeGainLoss |
| 495 | Debt Securities, Held-to-maturity, Sold, Realized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments |
| 496 | Debt Securities, Held-to-maturity, Sold, Circumstance for Decision to Sell | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesSoldSecurityCircumstancesLeadingToSale | |
| 497 | Debt Securities, Held-to-maturity, Sold, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss |
| 498 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAbstract | ||
| 499 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Fair Value [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValueAbstract | ||
| 500 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
| 501 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
| 502 | Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value, Total | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
| 503 | Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionQualitativeDisclosureAbstract | ||
| 504 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Nature | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNature | |
| 505 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Cause | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureCause | |
| 506 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | Concept (Decimal) | As Of | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions | |
| 507 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Severity | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureSeverity | |
| 508 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other | Concept (Text/String) | For Period | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOther | |
| 509 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Third Party Guarantees, Amount | Concept (Monetary) | As Of | Debit | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherThirdPartyGuaranteesAmount |
| 510 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Key Performance Indicator [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherKeyPerformanceIndicatorAbstract | ||
| 511 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Default Rate | Concept (Percent) | For Period | us-gaap:HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDefaultRate | |
| 512 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Delinquency Rate | Concept (Percent) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherDelinquencyRate | |
| 513 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Percentage of Nonperforming Assets | Concept (Percent) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherPercentageOfNonperformingAssets | |
| 514 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Loan to Collateral Value, Ratio | Concept (Percent) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherLoanToCollateralValueRatio | |
| 515 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Level of Subordination | Concept (Decimal) | As Of | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherLevelOfSubordination | |
| 516 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Initial Investment | Concept (Date) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherVintage | |
| 517 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Geographic Concentration | Concept (Text/String) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherGeographicConcentration | |
| 518 | Held-to-maturity, Securities in Unrealized Loss Positions, Qualitative Disclosure, Other, Fair Value Volatility, Rate | Concept (Percent) | For Period | us-gaap:HeldtomaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureOtherFairValueVolatilityRate | |
| 519 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Reportable Items [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesReportableItemsAbstract | ||
| 520 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, before Tax [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesAbstract | ||
| 521 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, Recognized in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestHeldtomaturitySecurities |
| 522 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, Recognized in Earnings, before Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities |
| 523 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, before Tax, Total | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecurities |
| 524 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresAbstract | ||
| 525 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Methodology | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresMethodology | |
| 526 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Significant Inputs | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresSignificantInputs | |
| 527 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Key Performance Indicator [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresKeyPerformanceIndicatorAbstract | ||
| 528 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Default Rate | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDefaultRate | |
| 529 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDelinquencyRate | |
| 530 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Percentage of Nonperforming Assets | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresPercentageOfNonperformingAssets | |
| 531 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Loan to Collateral Value | Concept (Percent) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLoanToCollateralValue | |
| 532 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Third Party Guarantees, Amount | Concept (Monetary) | As Of | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresThirdPartyGuaranteesAmount |
| 533 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Level of Subordination | Concept (Decimal) | As Of | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLevelOfSubordination | |
| 534 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Initial Investment | Concept (Date) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresVintage | |
| 535 | Other than Temporary Impairment Losses, Investments, Held-to-maturity Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Geographic Concentration | Concept (Text/String) | For Period | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsHeldtomaturitySecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresGeographicConcentration | |
| 536 | Other Comprehensive Loss, Held-to-maturity Security, Reclassification Adjustment from AOCI for Noncredit Portion of OTTI, before Tax | Concept (Monetary) | For Period | Credit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsReclassificationAdjustmentOfNoncreditPortionIncludedInNetIncomeHeldtomaturitySecuritiesBeforeTax |
| 537 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, Accretion of Noncredit Portion, before Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAccretionOfNoncreditPortionHeldtomaturitySecuritiesBeforeTax |
| 538 | Debt Securities, Held-to-maturity, Sold at Par Value | Concept (Monetary) | For Period | Debit | us-gaap:HeldtomaturitySecuritiesSoldAtPar |
| 539 | Debt Securities, Held-to-maturity, Restricted [Abstract] | Abstract | us-gaap:HeldToMaturitySecuritiesRestrictedAbstract | ||
| 540 | Debt Securities, Held-to-maturity, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecuritiesRestricted |
| 541 | Debt Securities, Held-to-maturity, Restricted [Extensible List] | Concept (srt-types:extensibleListItemType) | As Of | us-gaap:DebtSecuritiesHeldToMaturityRestrictedExtensibleList | |
| 542 | Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTableTextBlock | |
| 543 | Schedule of Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table] | Table | us-gaap:ScheduleOfOtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsTable | ||
| 544 | Debt Security Category [Axis] | Axis | us-gaap:InformationByCategoryOfDebtSecurityAxis | ||
| 545 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] | Member | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain | ||
| 546 | Available-for-sale Securities [Member] | Member | us-gaap:AvailableforsaleSecuritiesMember | ||
| 547 | Held-to-maturity Securities [Member] | Member | us-gaap:HeldtomaturitySecuritiesMember | ||
| 548 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 549 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 550 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 551 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 552 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 553 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 554 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 555 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 556 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 557 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 558 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 559 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 560 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 561 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 562 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 563 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 564 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 565 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 566 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 567 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 568 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 569 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 570 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 571 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 572 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 573 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 574 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 575 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 576 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 577 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 578 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 579 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 580 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 581 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 582 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 583 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 584 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 585 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 586 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 587 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 588 | Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] | LineItems | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems | ||
| 589 | Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward] | Abstract | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsRollForward | ||
| 590 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance | Concept (Monetary) | As Of | Debit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld |
| 591 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment |
| 592 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold | Concept (Monetary) | For Period | Credit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold |
| 593 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Change in Status | Concept (Monetary) | For Period | Credit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsChangeInStatus |
| 594 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses |
| 595 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows | Concept (Monetary) | For Period | Credit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows |
| 596 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease), Total | Concept (Monetary) | For Period | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsPeriodIncreaseDecrease | |
| 597 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance | Concept (Monetary) | As Of | Debit | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld |
| 598 | Debt Securities, Available-for-sale and Held-to-maturity [Abstract] | Abstract | us-gaap:DebtSecuritiesAvailableForSaleAndHeldToMaturityAbstract | ||
| 599 | Debt Securities, Available-for-sale | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 600 | Debt Securities, Held-to-maturity | Concept (Monetary) | As Of | Debit | us-gaap:HeldToMaturitySecurities |
| 601 | Debt Securities, Available-for-sale and Held-to-maturity, Total | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesAvailableForSaleAndHeldToMaturity |
| 602 | Investment Interest Rate | Concept (Percent) | As Of | us-gaap:InvestmentInterestRate | |
| 603 | Investment Maturity Date | Concept (Date) | As Of | us-gaap:InvestmentMaturityDate | |
| 604 | Debt Securities, Trading and Available-for-sale [Abstract] | Abstract | us-gaap:DebtSecuritiesTradingAndAvailableForSaleAbstract | ||
| 605 | Debt Securities, Trading | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesDebt |
| 606 | Debt Securities, Available-for-sale | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesDebtSecurities |
| 607 | Debt Securities, Trading and Available-for-sale, Total | Concept (Monetary) | As Of | Debit | us-gaap:DebtSecuritiesTradingAndAvailableForSale |
| 608 | Loans Acquired, Accounted for as Debt Securities, Disclosure [Abstract] | Abstract | us-gaap:LoansAcquiredAccountedForAsDebtSecuritiesDisclosureAbstract | ||
| 609 | Certain Loans and Debt Securities Acquired in Transfer, Description of how Prepayments are Considered in Determination of Contractual Cash Flows and Cash Flows Expected to be Collected | Concept (Text/String) | For Period | us-gaap:CertainLoansAndDebtSecuritiesAcquiredInTransferDescriptionOfHowPrepaymentsAreConsideredInDeterminationOfContractualCashFlowsAndCashFlowsExpectedToBeCollected | |
| 610 | Loans Acquired, Accounted for as Debt Securities, General Items [Abstract] | Abstract | us-gaap:LoansAcquiredAccountedForAsDebtSecuritiesGeneralItemsAbstract | ||
| 611 | Certain Loans and Debt Securities Acquired in Transfer, Subsequent Impairment [Abstract] | Abstract | us-gaap:CertainLoansAndDebtSecuritiesAcquiredInTransferSubsequentImpairmentAbstract | ||
| 612 | Certain Loans and Debt Securities Acquired in Transfer, with Related Allowance for Credit Losses Due to Subsequent Impairment | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAndDebtSecuritiesAcquiredInTransferWithRelatedAllowanceForCreditLossesDueToSubsequentImpairment |
| 613 | Certain Loans and Debt Securities Acquired in Transfer, Allowance for Credit Losses Due to Subsequent Impairment | Concept (Monetary) | As Of | Credit | us-gaap:CertainLoansAndDebtSecuritiesAcquiredInTransferAllowanceForCreditLossesDueToSubsequentImpairment |
| 614 | Certain Loans and Debt Securities Acquired in Transfer, No Allowance Recorded and No Subsequent Impairment | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAndDebtSecuritiesAcquiredInTransferNoAllowanceRecordedAndNoSubsequentImpairment |
| 615 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model [Table] | Table | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelTable | ||
| 616 | Debt Security Category [Axis] | Axis | us-gaap:InformationByCategoryOfDebtSecurityAxis | ||
| 617 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] | Member | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain | ||
| 618 | Available-for-sale Securities [Member] | Member | us-gaap:AvailableforsaleSecuritiesMember | ||
| 619 | Held-to-maturity Securities [Member] | Member | us-gaap:HeldtomaturitySecuritiesMember | ||
| 620 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model [Line Items] | LineItems | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelLineItems | ||
| 621 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelAbstract | ||
| 622 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Not Accounted for Using Income Recognition Model, at Acquisition, at Carrying Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue |
| 623 | All Certain Loans Acquired in Transfer Accounted for as Debt Securities, Not Accounted for Using Income Recognition Model, End of Period, at Carrying Value | Concept (Monetary) | As Of | Debit | us-gaap:AllCertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelEndOfPeriodAtCarryingValue |
| 624 | Certain Loans Acquired in Transfer Accounted for as Debt Securities [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAbstract | ||
| 625 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Outstanding Balance | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOutstandingBalance |
| 626 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Carrying Amount, Net | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesCarryingAmountNet |
| 627 | Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Table] | Table | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleTable | ||
| 628 | Debt Security Category [Axis] | Axis | us-gaap:InformationByCategoryOfDebtSecurityAxis | ||
| 629 | Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] | Member | us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCategoriesOfInvestmentsDomain | ||
| 630 | Available-for-sale Securities [Member] | Member | us-gaap:AvailableforsaleSecuritiesMember | ||
| 631 | Held-to-maturity Securities [Member] | Member | us-gaap:HeldtomaturitySecuritiesMember | ||
| 632 | Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items] | LineItems | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleLineItems | ||
| 633 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward | ||
| 634 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Beginning Balance | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield |
| 635 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Additions | Concept (Monetary) | For Period | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAdditions |
| 636 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Accretion | Concept (Monetary) | For Period | Credit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldAccretion |
| 637 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications from Nonaccretable Difference | Concept (Monetary) | For Period | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference |
| 638 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Reclassifications to Nonaccretable Difference | Concept (Monetary) | For Period | Credit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldReclassificationsToNonaccretableDifference |
| 639 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Disposals of Loans | Concept (Monetary) | For Period | Credit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans |
| 640 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Period Increase (Decrease), Total | Concept (Monetary) | For Period | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYieldPeriodIncreaseDecrease | |
| 641 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield, Ending Balance | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAccretableYield |
| 642 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, Credit Loss [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOtherThanTemporaryImpairmentAbstract | ||
| 643 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Other-than-Temporary Impairment Charges, Credit Loss | Concept (Monetary) | For Period | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableforsaleDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss |
| 644 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Other-than-Temporary Impairment Charges, Credit Loss | Concept (Monetary) | For Period | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldtomaturityDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss |
| 645 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Other-than-Temporary Impairment Charges, Credit Loss, Total | Concept (Monetary) | For Period | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss |
| 646 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAbstract | ||
| 647 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition |
| 648 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition |
| 649 | Certain Loans Acquired in Transfer Accounted for as Debt Securities, Acquired During Period, at Acquisition, at Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue |
| 650 | Loans Acquired, Accounted for as Debt Securities, Held-to-maturity Category [Abstract] | Abstract | us-gaap:LoansAcquiredAccountedForAsDebtSecuritiesHeldToMaturityCategoryAbstract | ||
| 651 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAbstract | ||
| 652 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Outstanding Balance | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesOutstandingBalance |
| 653 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Carrying Amount, Net | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesCarryingAmountNet |
| 654 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAcquiredDuringPeriodAbstract | ||
| 655 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition |
| 656 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition |
| 657 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period, at Acquisition, at Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue |
| 658 | Certain Loans Acquired in Transfer Accounted for as Held-to-maturity Debt Securities, Acquired During Period, Not Accounted for Using Income Recognition Model, at Acquisition, at Carrying Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsHeldToMaturityDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue |
| 659 | Loans Acquired, Accounted for as Debt Securities, Available-for-sale Category [Abstract] | Abstract | us-gaap:LoansAcquiredAccountedForAsDebtSecuritiesAvailableForSaleCategoryAbstract | ||
| 660 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAbstract | ||
| 661 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Outstanding Balance | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesOutstandingBalance |
| 662 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Carrying Amount, Net | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesCarryingAmountNet |
| 663 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAcquiredDuringPeriodAbstract | ||
| 664 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired, Contractually Required Payments Receivable at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAcquiredDuringPeriodContractuallyRequiredPaymentsReceivableAtAcquisition |
| 665 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired, Cash Flows Expected to be Collected at Acquisition | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAcquiredDuringPeriodCashFlowsExpectedToBeCollectedAtAcquisition |
| 666 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired, at Acquisition, at Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAcquiredDuringPeriodAtAcquisitionAtFairValue |
| 667 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Not Accounted for Using Income Recognition Model [Abstract] | Abstract | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelAbstract | ||
| 668 | Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired During Period, Not Accounted for Using Income Recognition Model, at Acquisition, at Carrying Value | Concept (Monetary) | As Of | Debit | us-gaap:CertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesAcquiredDuringPeriodNotAccountedForUsingIncomeRecognitionModelAtAcquisitionAtCarryingValue |
| 669 | All Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Not Accounted for Using Income Recognition Model, at Carrying Value | Concept (Monetary) | As Of | Debit | us-gaap:AllCertainLoansAcquiredInTransferAccountedForAsAvailableForSaleDebtSecuritiesNotAccountedForUsingIncomeRecognitionModelAtCarryingValue |
| 670 | Gain (Loss) on Securities [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:GainLossOnInvestmentsTextBlock | |
| 671 | Schedule of Gain (Loss) on Securities [Table] | Table | us-gaap:ScheduleOfGainLossOnInvestmentsTable | ||
| 672 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 673 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 674 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 675 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 676 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 677 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 678 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 679 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 680 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 681 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 682 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 683 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 684 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 685 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 686 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 687 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 688 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 689 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 690 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 691 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 692 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 693 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 694 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 695 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 696 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 697 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 698 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 699 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 700 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 701 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 702 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 703 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 704 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 705 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 706 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 707 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 708 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 709 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 710 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 711 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 712 | Gain (Loss) on Securities [Line Items] | LineItems | us-gaap:ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems | ||
| 713 | Gain (Loss) on Investments, Excluding Other than Temporary Impairments [Abstract] | Abstract | us-gaap:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairmentsAbstract | ||
| 714 | Marketable Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss [Abstract] | Abstract | us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairmentsAbstract | ||
| 715 | Marketable Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment Loss | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments |
| 716 | Marketable Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment Loss | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairments |
| 717 | Marketable Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss, Total | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesGainLossExcludingOtherThanTemporaryImpairments |
| 718 | Debt and Equity Securities, Gain (Loss), Excluding Impairment Loss [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesGainLossExcludingImpairmentLossAbstract | ||
| 719 | Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairmentAbstract | ||
| 720 | Debt Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:DebtSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairmentAbstract | ||
| 721 | Debt Securities, Trading, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingUnrealizedGainLoss |
| 722 | Debt Securities, Available-for-sale, Transfer to Trading, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:AvailableforsaleSecuritiesTransfersToTradingGainsLossesExcludingOtherThanTemporaryImpairments |
| 723 | Debt Securities, Held-to-maturity, Transfer to Trading, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:HeldtomaturitySecuritiesTransferredToTradingSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairments |
| 724 | Debt Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairment |
| 725 | Equity Securities, FV-NI, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss |
| 726 | Debt and Equity Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairment |
| 727 | Debt and Equity Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairmentAbstract | ||
| 728 | Debt Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment [Abstract] | Abstract | us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairmentAbstract | ||
| 729 | Debt Securities, Trading, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingRealizedGainLoss |
| 730 | Debt Securities, Available-for-sale, Realized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLossExcludingOtherThanTemporaryImpairment |
| 731 | Debt Securities, Held-to-maturity, Sold, Realized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:HeldtomaturitySecuritiesSoldSecurityRealizedGainLossExcludingOtherThanTemporaryImpairments |
| 732 | Debt Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment |
| 733 | Equity Securities, FV-NI, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiRealizedGainLoss |
| 734 | Debt and Equity Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment |
| 735 | Debt and Equity Securities, Gain (Loss), Excluding Other-than-temporary Impairment Loss, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesGainLossExcludingOtherThanTemporaryImpairmentLoss |
| 736 | Debt Securities, Gain (Loss), Excluding OTTI [Abstract] | Abstract | us-gaap:DebtSecuritiesGainLossExcludingOttiAbstract | ||
| 737 | Debt Securities, Unrealized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesUnrealizedGainLossExcludingOtherThanTemporaryImpairment |
| 738 | Debt Securities, Realized Gain (Loss), Excluding Other-than-temporary Impairment | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesRealizedGainLossExcludingOtherThanTemporaryImpairment |
| 739 | Debt Securities, Gain (Loss), Excluding OTTI, Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesGainLossExcludingOtti |
| 740 | Other than Temporary Impairment Losses, Investments [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAbstract | ||
| 741 | Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAbstract | ||
| 742 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestAvailableforsaleSecurities |
| 743 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, Recognized in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterestHeldtomaturitySecurities |
| 744 | Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, before Tax, Including Portion Attributable to Noncontrolling Interest, Total | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionInOtherComprehensiveIncomeLossBeforeTaxIncludingPortionAttributableToNoncontrollingInterest |
| 745 | Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings [Abstract] | Abstract | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetByInvestmentCategoryAbstract | ||
| 746 | Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale, Recognized in Earnings | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesAvailableForSaleRecognizedInEarnings |
| 747 | Other-than-temporary Impairment Loss, Debt Securities, Held-to-maturity, Recognized in Earnings, before Tax | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetHeldtomaturitySecurities |
| 748 | Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings, Total | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings |
| 749 | Other than Temporary Impairment Losses, Investments, Total | Concept (Monetary) | For Period | Debit | us-gaap:ImpairmentOfInvestments |
| 750 | Threshold Percentage of Value Decline in Equity Securities to be considered Other than Temporary Impairment | Concept (Percent) | For Period | us-gaap:ThresholdPercentageOfValueDeclineInEquitySecuritiesToBeConsideredOtherThanTemporaryImpairment | |
| 751 | Threshold Period of Value Decline in Equity Securities to be considered Other than Temporary Impairment | Concept (xbrli:durationItemType) | For Period | us-gaap:ThresholdPeriodOfValueDeclineInEquitySecuritiesToBeConsideredOtherThanTemporaryImpairment | |
| 752 | Marketable Securities, Gain (Loss) [Abstract] | Abstract | us-gaap:MarketableSecuritiesGainLossAbstract | ||
| 753 | Marketable Securities, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesUnrealizedGainLoss |
| 754 | Marketable Securities, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesRealizedGainLoss |
| 755 | Marketable Securities, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:MarketableSecuritiesGainLoss |
| 756 | Debt and Equity Securities, Gain (Loss) [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesGainLossAbstract | ||
| 757 | Debt and Equity Securities, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesUnrealizedGainLossAbstract | ||
| 758 | Debt Securities, Unrealized Gain (Loss) [Abstract] | Abstract | us-gaap:DebtSecuritiesUnrealizedGainLossAbstract | ||
| 759 | Debt Securities, Trading, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingUnrealizedGainLoss |
| 760 | Debt Securities, Available-for-sale, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleUnrealizedGainLoss |
| 761 | Debt Securities, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesUnrealizedGainLoss |
| 762 | Equity Securities, FV-NI, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss |
| 763 | Debt and Equity Securities, Unrealized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesUnrealizedGainLoss |
| 764 | Debt and Equity Securities, Realized Gain (Loss) [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesRealizedGainLossAbstract | ||
| 765 | Debt Securities, Realized Gain (Loss) [Abstract] | Abstract | us-gaap:DebtSecuritiesRealizedGainLossAbstract | ||
| 766 | Debt Securities, Trading, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesTradingRealizedGainLoss |
| 767 | Debt Securities, Available-for-sale, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss |
| 768 | Debt Securities, Held-to-maturity, Sold, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss |
| 769 | Debt Securities, Realized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesRealizedGainLoss |
| 770 | Equity Securities, FV-NI, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiRealizedGainLoss |
| 771 | Debt and Equity Securities, Realized Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesRealizedGainLoss |
| 772 | Debt and Equity Securities, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesGainLoss |
| 773 | Debt and Equity Securities, Gain (Loss), Alternative [Abstract] | Abstract | us-gaap:DebtAndEquitySecuritiesGainLossAlternativeAbstract | ||
| 774 | Debt Securities, Gain (Loss), Alternative [Abstract] | Abstract | us-gaap:DebtSecuritiesGainLossAlternativeAbstract | ||
| 775 | Debt Securities, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesUnrealizedGainLoss |
| 776 | Debt Securities, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesRealizedGainLoss |
| 777 | Debt Securities, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtSecuritiesGainLoss |
| 778 | Equity Securities, FV-NI, Gain (Loss), Alternative [Abstract] | Abstract | us-gaap:EquitySecuritiesFvNiGainLossAlternativeAbstract | ||
| 779 | Equity Securities, FV-NI, Unrealized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss |
| 780 | Equity Securities, FV-NI, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiRealizedGainLoss |
| 781 | Equity Securities, FV-NI, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesFvNiGainLoss |
| 782 | Debt and Equity Securities, Gain (Loss), Total | Concept (Monetary) | For Period | Credit | us-gaap:DebtAndEquitySecuritiesGainLoss |
| 783 | Investment Income [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:InvestmentIncomeTextBlock | |
| 784 | Investment Income [Table] | Table | us-gaap:ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable | ||
| 785 | Investment Type [Axis] | Axis | us-gaap:InvestmentTypeAxis | ||
| 786 | Investments [Domain] | Member | us-gaap:InvestmentTypeCategorizationMember | ||
| 787 | Cash and Cash Equivalents [Member] | Member | us-gaap:CashAndCashEquivalentsMember | ||
| 788 | Cash [Member] | Member | us-gaap:CashMember | ||
| 789 | Demand Deposits [Member] | Member | us-gaap:DemandDepositsMember | ||
| 790 | Cash Equivalents [Member] | Member | us-gaap:CashEquivalentsMember | ||
| 791 | Money Market Funds [Member] | Member | us-gaap:MoneyMarketFundsMember | ||
| 792 | Commercial Paper [Member] | Member | us-gaap:CommercialPaperMember | ||
| 793 | Bankers Acceptance [Member] | Member | us-gaap:BankersAcceptanceMember | ||
| 794 | Interest-bearing Deposits [Member] | Member | us-gaap:InterestBearingDepositsMember | ||
| 795 | Bank Time Deposits [Member] | Member | us-gaap:BankTimeDepositsMember | ||
| 796 | Certificates of Deposit [Member] | Member | us-gaap:CertificatesOfDepositMember | ||
| 797 | Debt Securities [Member] | Member | us-gaap:DebtSecuritiesMember | ||
| 798 | Equity Securities [Member] | Member | us-gaap:EquitySecuritiesMember | ||
| 799 | Partnership Interest [Member] | Member | srt:PartnershipInterestMember | ||
| 800 | Net Investment Income [Line Items] | LineItems | us-gaap:ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems | ||
| 801 | Investment Income, Net [Abstract] | Abstract | us-gaap:InvestmentIncomeNetAbstract | ||
| 802 | Investment Income, Interest and Dividend [Abstract] | Abstract | us-gaap:InvestmentIncomeInterestAndDividendAbstract | ||
| 803 | Investment Income, Interest | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeInterest |
| 804 | Investment Income, Dividend | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeDividend |
| 805 | Investment Income, Interest and Dividend, Total | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeInterestAndDividend |
| 806 | Investment Income, Net, Amortization of Discount and Premium [Abstract] | Abstract | us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremiumAbstract | ||
| 807 | Investment Income, Amortization of Discount | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeAmortizationOfDiscount |
| 808 | Investment Income, Amortization of Premium | Concept (Monetary) | For Period | Debit | us-gaap:InvestmentIncomeAmortizationOfPremium |
| 809 | Investment Income, Net, Amortization of Discount and Premium, Total | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeNetAmortizationOfDiscountAndPremium |
| 810 | Investment Income, Investment Expense | Concept (Monetary) | For Period | Debit | us-gaap:InvestmentIncomeInvestmentExpense |
| 811 | Investment Income, Net, Total | Concept (Monetary) | For Period | Credit | us-gaap:InvestmentIncomeNet |
| 812 | Equity Securities without Readily Determinable Fair Value [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueTableTextBlock | |
| 813 | Equity Securities without Readily Determinable Fair Value [Table] | Table | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueTable | ||
| 814 | Financial Instrument [Axis] | Axis | us-gaap:FinancialInstrumentAxis | ||
| 815 | Financial Instruments [Domain] | Member | us-gaap:TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain | ||
| 816 | Senior Debt Obligations [Member] | Member | us-gaap:SeniorDebtObligationsMember | ||
| 817 | Fair Value Option, Other Eligible Items [Member] | Member | us-gaap:FairValueOptionOtherEligibleItemsMember | ||
| 818 | Firm Commitment Not Recognized at Inception, Fair Value Option [Member] | Member | us-gaap:FirmCommitmentNotRecognizedAtInceptionFairValueOptionMember | ||
| 819 | Written Loan Commitment, Fair Value Option [Member] | Member | us-gaap:WrittenLoanCommitmentFairValueOptionMember | ||
| 820 | Insurance Contract, Rights and Obligations [Member] | Member | us-gaap:InsuranceContractRightsAndObligationsFairValueOptionMember | ||
| 821 | Warranty, Rights and Obligations, Fair Value Option [Member] | Member | us-gaap:WarrantyRightsAndObligationsFairValueOptionMember | ||
| 822 | Separated Host Financial Instrument, Fair Value Option [Member] | Member | us-gaap:SeparatedHostFinancialInstrumentFairValueOptionMember | ||
| 823 | Commodities Investment [Member] | Member | us-gaap:CommoditiesInvestmentMember | ||
| 824 | US Treasury and Government [Member] | Member | us-gaap:USTreasuryAndGovernmentMember | ||
| 825 | US Treasury Securities [Member] | Member | us-gaap:USTreasurySecuritiesMember | ||
| 826 | US Government Agencies Debt Securities [Member] | Member | us-gaap:USGovernmentAgenciesDebtSecuritiesMember | ||
| 827 | US Government-sponsored Enterprises Debt Securities [Member] | Member | us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember | ||
| 828 | US States and Political Subdivisions Debt Securities [Member] | Member | us-gaap:USStatesAndPoliticalSubdivisionsMember | ||
| 829 | Debt Security, Government, Non-US [Member] | Member | us-gaap:ForeignGovernmentDebtSecuritiesMember | ||
| 830 | Corporate Debt Securities [Member] | Member | us-gaap:CorporateDebtSecuritiesMember | ||
| 831 | Debt Security, Corporate, US [Member] | Member | us-gaap:DomesticCorporateDebtSecuritiesMember | ||
| 832 | Debt Security, Corporate, Non-US [Member] | Member | us-gaap:ForeignCorporateDebtSecuritiesMember | ||
| 833 | Convertible Debt Securities [Member] | Member | us-gaap:ConvertibleDebtSecuritiesMember | ||
| 834 | Asset-backed Securities [Member] | Member | us-gaap:AssetBackedSecuritiesMember | ||
| 835 | Collateralized Mortgage Backed Securities [Member] | Member | us-gaap:MortgageBackedSecuritiesMember | ||
| 836 | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember | ||
| 837 | Mortgage-backed Securities, Issued by Private Enterprises [Member] | Member | us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember | ||
| 838 | Residential Mortgage Backed Securities [Member] | Member | us-gaap:ResidentialMortgageBackedSecuritiesMember | ||
| 839 | Commercial Mortgage Backed Securities [Member] | Member | us-gaap:CommercialMortgageBackedSecuritiesMember | ||
| 840 | Collateralized Debt Obligations [Member] | Member | us-gaap:CollateralizedDebtObligationsMember | ||
| 841 | Asset-backed Securities, Securitized Loans and Receivables [Member] | Member | us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember | ||
| 842 | Interest-Only-Strip [Member] | Member | us-gaap:InterestOnlyStripMember | ||
| 843 | Principal-Only-Strip [Member] | Member | us-gaap:PrincipalOnlyStripMember | ||
| 844 | Fixed Income Securities [Member] | Member | us-gaap:FixedIncomeSecuritiesMember | ||
| 845 | Auction Rate Securities [Member] | Member | us-gaap:AuctionRateSecuritiesMember | ||
| 846 | Variable Rate Demand Obligation [Member] | Member | us-gaap:VariableRateDemandObligationMember | ||
| 847 | Other Debt Obligations [Member] | Member | us-gaap:OtherDebtSecuritiesMember | ||
| 848 | Common Stock [Member] | Member | us-gaap:CommonStockMember | ||
| 849 | Preferred Stock [Member] | Member | us-gaap:PreferredStockMember | ||
| 850 | Nonredeemable Preferred Stock [Member] | Member | us-gaap:NonredeemablePreferredStockMember | ||
| 851 | Redeemable Preferred Stock [Member] | Member | us-gaap:RedeemablePreferredStockMember | ||
| 852 | Convertible Preferred Stock [Member] | Member | us-gaap:ConvertiblePreferredStockMember | ||
| 853 | Contingent Convertible Preferred Stock [Member] | Member | us-gaap:ContingentConvertiblePreferredStockMember | ||
| 854 | Equity Securities without Readily Determinable Fair Value [Line Items] | LineItems | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems | ||
| 855 | Equity Securities without Readily Determinable Fair Value, Amount | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAmount |
| 856 | Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount [Abstract] | Abstract | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmountAbstract | ||
| 857 | Equity Securities without Readily Determinable Fair Value, Impairment Loss, Cumulative Amount | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmount |
| 858 | Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Cumulative Amount | Concept (Monetary) | As Of | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount |
| 859 | Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Cumulative Amount | Concept (Monetary) | As Of | Credit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount |
| 860 | Equity Securities without Readily Determinable Fair Value, Annual Amount [Abstract] | Abstract | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueAnnualAmountAbstract | ||
| 861 | Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount | Concept (Monetary) | For Period | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount |
| 862 | Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount | Concept (Monetary) | For Period | Debit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount |
| 863 | Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount | Concept (Monetary) | For Period | Credit | us-gaap:EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount |
| 864 | Table Text Block Supplement [Abstract] | Abstract | us-gaap:TableTextBlockSupplementAbstract | ||
| 865 | Schedule of Available-for-sale Securities Reconciliation [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock | |
| 866 | Schedule of Realized Gain (Loss) [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfRealizedGainLossTableTextBlock | |
| 867 | Schedule of Temporary Impairment Losses, Investments [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfTemporaryImpairmentLossesInvestmentsTableTextBlock | |
| 868 | Schedule of Unrealized Loss on Investments [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfUnrealizedLossOnInvestmentsTableTextBlock | |
| 869 | Unrealized Gain (Loss) on Investments [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:UnrealizedGainLossOnInvestmentsTableTextBlock | |
| 870 | Realized Gain (Loss) on Investments [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:RealizedGainLossOnInvestmentsTableTextBlock | |
| 871 | Investments Classified by Contractual Maturity Date [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock | |
| 872 | ASU 2016-01 Transition [Abstract] | Abstract | us-gaap:Asu201601TransitionAbstract | ||
| 873 | Trading Securities, Equity | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesEquity |
| 874 | Trading Securities, Cost | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesCost |
| 875 | Gain (Loss) on Investments, Excluding Other than Temporary Impairments | Concept (Monetary) | For Period | Credit | us-gaap:GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments |
| 876 | Cost-method Investments [Member] | Member | us-gaap:CostmethodInvestmentsMember | ||
| 877 | Cost and Equity Method Investments Disclosure [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:CostAndEquityMethodInvestmentsDisclosureTextBlock | |
| 878 | Trading Securities, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesRestricted |
| 879 | Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | Concept (Monetary) | As Of | Credit | us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
| 880 | Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
| 881 | Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
| 882 | Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock | |
| 883 | Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
| 884 | Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue |
| 885 | Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities |
| 886 | Available-for-sale Securities, Restricted | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesRestricted |
| 887 | Available-for-sale Securities, Equity Securities | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesEquitySecurities |
| 888 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | Concept (Integer) | As Of | us-gaap:AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsLessThanOneYear | |
| 889 | Available-for-sale Equity Securities, Amortized Cost Basis | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleEquitySecuritiesAmortizedCostBasis |
| 890 | Available-for-sale Equity Securities, Gross Unrealized Loss | Concept (Monetary) | For Period | Debit | us-gaap:AvailableForSaleEquitySecuritiesGrossUnrealizedLoss |
| 891 | Available-for-sale Securities, Gross Realized Losses | Concept (Monetary) | For Period | Debit | us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses |
| 892 | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities |
| 893 | Cost Method Investments, Policy [Policy Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:CostMethodInvestmentsPolicy | |
| 894 | Equity and Cost Method Investments, Policy [Policy Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:EquityAndCostMethodInvestmentsPolicy | |
| 895 | Gain (Loss) on Sale of Equity Investments | Concept (Monetary) | For Period | Credit | us-gaap:GainLossOnSaleOfEquityInvestments |
| 896 | Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net | Concept (Monetary) | For Period | Debit | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet |
| 897 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | Concept (Integer) | As Of | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear | |
| 898 | Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | Concept (Integer) | As Of | us-gaap:AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1 | |
| 899 | Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
| 900 | Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
| 901 | Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
| 902 | Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments | Concept (Monetary) | For Period | Credit | us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments |
| 903 | Unrealized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments | Concept (Monetary) | For Period | Credit | us-gaap:UnrealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments |
| 904 | Trading Securities, Equity, Cost | Concept (Monetary) | As Of | Debit | us-gaap:TradingSecuritiesEquityCost |
| 905 | Net Realized and Unrealized Gain (Loss) on Trading Securities | Concept (Monetary) | For Period | Credit | us-gaap:NetRealizedOrUnrealizedGainLossOnTradingSecurities |
| 906 | Trading Securities, Unrealized Holding Gain | Concept (Monetary) | For Period | Credit | us-gaap:TradingSecuritiesUnrealizedHoldingGain |
| 907 | Trading Securities, Unrealized Holding Loss | Concept (Monetary) | For Period | Debit | us-gaap:TradingSecuritiesUnrealizedHoldingLoss |
| 908 | Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments | Concept (Monetary) | For Period | Debit | us-gaap:AvailableforsaleSecuritiesGrossRealizedLossesExcludingOtherThanTemporaryImpairments |
| 909 | Available-for-sale Securities, Equity Securities, Current | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesEquitySecuritiesCurrent |
| 910 | Available-for-sale Securities, Equity Securities, Noncurrent | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesEquitySecuritiesNoncurrent |
| 911 | Available-for-sale Securities, Noncurrent | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesNoncurrent |
| 912 | Available-for-sale Securities, Gross Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet |
| 913 | Available-for-sale Equity Securities, Gross Unrealized Gain | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleEquitySecuritiesGrossUnrealizedGain |
| 914 | Available-for-sale Securities, Gross Unrealized Gain | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleSecuritiesGrossUnrealizedGains |
| 915 | Available-for-sale Securities, Gross Realized Gains | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleSecuritiesGrossRealizedGains |
| 916 | Available-for-sale Securities, Amortized Cost Basis | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesAmortizedCost |
| 917 | Available-for-sale Securities, Current | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesCurrent |
| 918 | Trading Securities, Change in Unrealized Holding Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss |
| 919 | Trading Securities, Realized Gain | Concept (Monetary) | For Period | Credit | us-gaap:TradingSecuritiesRealizedGain |
| 920 | Available-for-sale Securities [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:AvailableForSaleSecuritiesTextBlock | |
| 921 | Available-for-sale Securities, Transfers to Trading, Gross Gains | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleSecuritiesTransfersToTradingGrossGains |
| 922 | Available-for-sale Securities, Transfers to Trading, Gross Losses | Concept (Monetary) | For Period | Debit | us-gaap:AvailableForSaleSecuritiesTransfersToTradingGrossLosses |
| 923 | Available-for-sale Securities, Transfers to Trading, Gains (Losses) | Concept (Monetary) | For Period | Credit | us-gaap:AvailableForSaleSecuritiesTransfersToTradingGainsLossesNet |
| 924 | Trading Securities, Realized Loss | Concept (Monetary) | For Period | Debit | us-gaap:TradingSecuritiesRealizedLoss |
| 925 | Trading Securities, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:TradingSecuritiesRealizedGainLoss |
| 926 | Available-for-sale Securities | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecurities |
| 927 | Cost Method Investments | Concept (Monetary) | As Of | Debit | us-gaap:CostMethodInvestments |
| 928 | Cost Method Investments, Original Cost | Concept (Monetary) | As Of | Debit | us-gaap:CostMethodInvestmentsOriginalCost |
| 929 | Cost-method Investments, Other than Temporary Impairment | Concept (Monetary) | For Period | Debit | us-gaap:CostmethodInvestmentsOtherThanTemporaryImpairment |
| 930 | Cost-method Investments, Aggregate Carrying Amount, Not Evaluated for Impairment | Concept (Monetary) | As Of | Debit | us-gaap:CostMethodInvestmentsAggregateCarryingAmountNotEvaluatedForImpairment |
| 931 | Cost Method Investments, Statement that Fair Value was Not Estimated | Concept (Text/String) | For Period | us-gaap:CostMethodInvestmentsStatementThatFairValueWasNotEstimated | |
| 932 | Available-for-sale Securities, Gross Unrealized Loss | Concept (Monetary) | For Period | Debit | us-gaap:AvailableForSaleSecuritiesGrossUnrealizedLoss |
| 933 | Cost-method Investments, Realized Losses | Concept (Monetary) | For Period | Debit | us-gaap:CostMethodInvestmentsRealizedLosses |
| 934 | Cost-method Investments, Realized Gain (Loss) | Concept (Monetary) | For Period | Credit | us-gaap:CostMethodInvestmentsRealizedGainLoss |
| 935 | Cost Method Investments, Additional Information | Concept (Text/String) | For Period | us-gaap:CostMethodInvestmentsAdditionalInformation | |
| 936 | Cost Method Investments, Fair Value Disclosure | Concept (Monetary) | As Of | Debit | us-gaap:CostMethodInvestmentsFairValueDisclosure |
| 937 | Cost-method Investments, Realized Gains | Concept (Monetary) | For Period | Credit | us-gaap:CostMethodInvestmentsRealizedGains |
| 938 | Cost-method Investments, Realized Losses, Excluding Other than Temporary Impairments | Concept (Monetary) | For Period | Debit | us-gaap:CostmethodInvestmentsRealizedLossesExcludingOtherThanTemporaryImpairments |
| 939 | Cost-method Investments, Realized Gain (Loss), Excluding Other than Temporary Impairments | Concept (Monetary) | For Period | Credit | us-gaap:CostmethodInvestmentsRealizedGainLossExcludingOtherThanTemporaryImpairments |
| 940 | Fair Value, Option, Changes in Instrument Specific Credit Risk, Gains (Losses) on Liabilities, Reasons | Concept (Text/String) | For Period | us-gaap:FairValueOptionChangesInInstrumentSpecificCreditRiskGainsLossesOnLiabilitiesReasons | |
| 941 | Schedule of Cost-method Investments [Table] | Table | us-gaap:ScheduleOfCostMethodInvestmentsTable | ||
| 942 | Schedule of Cost Method Investments [Table Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:ScheduleOfCostMethodInvestmentsTableTextBlock | |
| 943 | Cost-method Investments, Description [Text Block] | Concept (Text Block (HTML)) | For Period | us-gaap:CostMethodInvestmentsDescriptionTextBlock | |
| 944 | Schedule of Available-for-sale Securities [Table] | Table | us-gaap:ScheduleOfAvailableForSaleSecuritiesTable | ||
| 945 | Available-for-sale Equity Securities, Accumulated Gross Unrealized Gain, before Tax | Concept (Monetary) | As Of | Credit | us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
| 946 | Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
| 947 | Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax | Concept (Monetary) | As Of | Credit | us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax |
| 948 | Available-for-sale Securities and Held-to-maturity Securities | Concept (Monetary) | As Of | Debit | us-gaap:AvailableForSaleSecuritiesAndHeldToMaturitySecurities |
| 949 | Payments to Acquire Available-for-sale Securities | Concept (Monetary) | For Period | Credit | us-gaap:PaymentsToAcquireAvailableForSaleSecurities |
| 950 | Payments to Acquire Available-for-sale Securities, Equity | Concept (Monetary) | For Period | Credit | us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity |
| 951 | Proceeds from Sale of Available-for-sale Securities | Concept (Monetary) | For Period | Debit | us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities |
| 952 | Proceeds from Sale of Available-for-sale Securities, Equity | Concept (Monetary) | For Period | Debit | us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity |
| 953 | Interest and Dividend Income, Securities, Operating, Available-for-sale | Concept (Monetary) | For Period | Credit | us-gaap:InterestAndDividendIncomeSecuritiesAvailableForSale |
| 954 | Interest and Dividend Income, Securities, Operating, Trading or Measured at Fair Value | Concept (Monetary) | For Period | Credit | us-gaap:InterestAndDividendIncomeSecuritiesTradingOrMeasuredAtFairValue |
| 955 | Realized Gain (Loss) on Marketable Securities, Cost Method Investments, and Other Investments | Concept (Monetary) | For Period | Credit | us-gaap:RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments |
| 956 | Unrealized Gain on Securities | Concept (Monetary) | For Period | Credit | us-gaap:UnrealizedGainOnSecurities |
| 957 | Unrealized Loss on Securities | Concept (Monetary) | For Period | Debit | us-gaap:UnrealizedLossOnSecurities |
| 958 | Unrealized Gain (Loss) on Securities | Concept (Monetary) | For Period | Credit | us-gaap:UnrealizedGainLossOnSecurities |
| 959 | Gain (Loss) on Sale of Debt Investments | Concept (Monetary) | For Period | Credit | us-gaap:GainLossOnSaleOfDebtInvestments |
| 960 | Extensible Enumeration Domain Members | Network | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists | ||
| 961 | SRT Extensible Enumeration Domain Members | Network | http://fasb.org/srt/role/srt-eedm/ExtensibleEnumerationLists |