Line |
Label |
Object Class (Data type) |
Period Type |
Balance |
Report Element Name |
1 |
Cost-method Investments [Table] |
Table |
|
|
us-gaap:ScheduleOfCostMethodInvestmentsTable |
2 |
Major Types of Debt and Equity Securities [Axis] |
Axis |
|
|
us-gaap:MajorTypesOfDebtAndEquitySecuritiesAxis |
3 |
Major Types of Debt and Equity Securities [Domain] |
Member |
|
|
us-gaap:MajorTypesOfDebtAndEquitySecuritiesDomain |
4 |
Equity Securities [Member] |
Member |
|
|
us-gaap:EquitySecuritiesMember |
5 |
Common Stock [Member] |
Member |
|
|
us-gaap:CommonStockMember |
6 |
Preferred Stock [Member] |
Member |
|
|
us-gaap:PreferredStockMember |
7 |
Nonredeemable Preferred Stock [Member] |
Member |
|
|
us-gaap:NonredeemablePreferredStockMember |
8 |
Redeemable Preferred Stock [Member] |
Member |
|
|
us-gaap:RedeemablePreferredStockMember |
9 |
Convertible Preferred Stock [Member] |
Member |
|
|
us-gaap:ConvertiblePreferredStockMember |
10 |
Contingent Convertible Preferred Stock [Member] |
Member |
|
|
us-gaap:ContingentConvertiblePreferredStockMember |
11 |
Debt Securities [Member] |
Member |
|
|
us-gaap:DebtSecuritiesMember |
12 |
US Treasury and Government [Member] |
Member |
|
|
us-gaap:USTreasuryAndGovernmentMember |
13 |
US Treasury Securities [Member] |
Member |
|
|
us-gaap:USTreasurySecuritiesMember |
14 |
US Government Agencies Debt Securities [Member] |
Member |
|
|
us-gaap:USGovernmentAgenciesDebtSecuritiesMember |
15 |
US Government-sponsored Enterprises Debt Securities [Member] |
Member |
|
|
us-gaap:USGovernmentSponsoredEnterprisesDebtSecuritiesMember |
16 |
US States and Political Subdivisions Debt Securities [Member] |
Member |
|
|
us-gaap:USStatesAndPoliticalSubdivisionsMember |
17 |
Foreign Government Debt Securities [Member] |
Member |
|
|
us-gaap:ForeignGovernmentDebtSecuritiesMember |
18 |
Corporate Debt Securities [Member] |
Member |
|
|
us-gaap:CorporateDebtSecuritiesMember |
19 |
Domestic Corporate Debt Securities [Member] |
Member |
|
|
us-gaap:DomesticCorporateDebtSecuritiesMember |
20 |
Foreign Corporate Debt Securities [Member] |
Member |
|
|
us-gaap:ForeignCorporateDebtSecuritiesMember |
21 |
Commercial Paper, Not Included with Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CommercialPaperNotIncludedWithCashAndCashEquivalentsMember |
22 |
Convertible Debt Securities [Member] |
Member |
|
|
us-gaap:ConvertibleDebtSecuritiesMember |
23 |
Asset-backed Securities [Member] |
Member |
|
|
us-gaap:AssetBackedSecuritiesMember |
24 |
Collateralized Mortgage Backed Securities [Member] |
Member |
|
|
us-gaap:MortgageBackedSecuritiesMember |
25 |
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |
Member |
|
|
us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember |
26 |
Mortgage-backed Securities, Issued by Private Enterprises [Member] |
Member |
|
|
us-gaap:MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember |
27 |
Residential Mortgage Backed Securities [Member] |
Member |
|
|
us-gaap:ResidentialMortgageBackedSecuritiesMember |
28 |
Commercial Mortgage Backed Securities [Member] |
Member |
|
|
us-gaap:CommercialMortgageBackedSecuritiesMember |
29 |
Collateralized Debt Obligations [Member] |
Member |
|
|
us-gaap:CollateralizedDebtObligationsMember |
30 |
Asset-backed Securities, Securitized Loans and Receivables [Member] |
Member |
|
|
us-gaap:AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember |
31 |
Interest-Only-Strip [Member] |
Member |
|
|
us-gaap:InterestOnlyStripMember |
32 |
Principal-Only-Strip [Member] |
Member |
|
|
us-gaap:PrincipalOnlyStripMember |
33 |
Fixed Income Securities [Member] |
Member |
|
|
us-gaap:FixedIncomeSecuritiesMember |
34 |
Auction Rate Securities [Member] |
Member |
|
|
us-gaap:AuctionRateSecuritiesMember |
35 |
Variable Rate Demand Obligation [Member] |
Member |
|
|
us-gaap:VariableRateDemandObligationMember |
36 |
Other Debt Obligations [Member] |
Member |
|
|
us-gaap:OtherDebtSecuritiesMember |
37 |
Investment, Name [Axis] |
Axis |
|
|
us-gaap:ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis |
38 |
Investment, Name [Domain] |
Member |
|
|
us-gaap:EquityMethodInvesteeNameDomain |
39 |
Schedule of Cost-method Investments [Line Items] |
LineItems |
|
|
us-gaap:ScheduleOfCostMethodInvestmentsLineItems |
40 |
Cost-method Investments, Realized Gain (Loss), Excluding Other than Temporary Impairments [Hierarchy] |
Abstract |
|
|
us-gaap:CostMethodInvestmentsRealizedGainLossAbstract |
41 |
Cost-method Investments, Realized Gains |
Concept (Monetary) |
For Period |
Credit |
us-gaap:CostMethodInvestmentsRealizedGains |
42 |
Cost-method Investments, Realized Losses, Excluding Other than Temporary Impairments |
Concept (Monetary) |
For Period |
Debit |
us-gaap:CostmethodInvestmentsRealizedLossesExcludingOtherThanTemporaryImpairments |
43 |
Cost-method Investments, Realized Gain (Loss), Excluding Other than Temporary Impairments, Total |
Concept (Monetary) |
For Period |
Credit |
us-gaap:CostmethodInvestmentsRealizedGainLossExcludingOtherThanTemporaryImpairments |
44 |
Cost-method Investments, Realized Gain (Loss) |
Concept (Monetary) |
For Period |
Credit |
us-gaap:CostMethodInvestmentsRealizedGainLoss |