Securitizations and Other Variable Interest Entities - Credit Card (Details) (USD $)
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12 Months Ended | 12 Months Ended | |||||||||||||||||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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Dec. 31, 2012
Consolidated VIEs [Member]
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Dec. 31, 2011
Consolidated VIEs [Member]
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Dec. 31, 2012
Credit Card Receivable [Member]
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Dec. 31, 2012
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2011
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2012
Seller Interest [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2011
Seller Interest [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2012
Discount Receivables [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2011
Discount Receivables [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2012
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
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Dec. 31, 2011
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
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Variable Interest Entity [Line Items] | |||||||||||||||||||||||||
Cash Flows Between Transferor and Transferee, Beneficial Interest | $ 553,000,000 | ||||||||||||||||||||||||
Maximum loss exposure | 42,487,000,000 | 38,282,000,000 | |||||||||||||||||||||||
On Balance Sheet Assets [Abstract] | |||||||||||||||||||||||||
Derivative assets | 53,497,000,000 | 73,023,000,000 | 333,000,000 | 1,634,000,000 | 323,000,000 | 788,000,000 | |||||||||||||||||||
Loans and leases | 907,819,000,000 | 926,200,000,000 | 123,227,000,000 | 140,194,000,000 | 66,427,000,000 | [1] | 74,793,000,000 | [1] | 33,500,000,000 | 28,700,000,000 | 124,000,000 | 1,000,000,000 | |||||||||||||
Allowance for Loan and Lease Losses | (24,179,000,000) | (33,783,000,000) | (41,885,000,000) | (47,988,000,000) | (3,658,000,000) | (5,066,000,000) | (3,445,000,000) | (4,742,000,000) | |||||||||||||||||
Other Assets | 164,605,000,000 | 145,686,000,000 | 4,654,000,000 | 4,769,000,000 | 1,567,000,000 | [2] | 723,000,000 | [2] | |||||||||||||||||
Assets | 2,209,974,000,000 | [3] | 2,129,046,000,000 | [3] | 134,431,000,000 | 151,761,000,000 | 64,872,000,000 | 71,562,000,000 | |||||||||||||||||
On Balance Sheet Liabilities [Abstract] | |||||||||||||||||||||||||
Long-term debt (includes $49,161 and $46,239 measured at fair value) | 275,585,000,000 | 372,265,000,000 | 34,256,000,000 | 49,054,000,000 | 22,291,000,000 | 33,076,000,000 | |||||||||||||||||||
Other Liabilities | 360,000,000 | 1,116,000,000 | 94,000,000 | 204,000,000 | |||||||||||||||||||||
Total liabilities | 1,973,018,000,000 | 1,898,945,000,000 | 38,347,000,000 | 55,947,000,000 | 22,385,000,000 | 33,280,000,000 | |||||||||||||||||||
In Text Details [Abstract] | |||||||||||||||||||||||||
Notional Principal Amount Of Securities Issued By Securitization Trusts To Entity | 10,100,000,000 | 11,900,000,000 | |||||||||||||||||||||||
Stated Interest Rate Of Securities Issued By Securitization Trusts To Entity | 0.00% | ||||||||||||||||||||||||
Senior Interest of Receivable Held | $ 309,000,000 | ||||||||||||||||||||||||
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