Securitizations and Other Variable Interest Entities - Credit Card (Details) (USD $)
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12 Months Ended | |||||||||||||||||||||||||||
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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, 2008
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Dec. 31, 2011
Consolidated VIEs [Member]
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Dec. 31, 2010
Consolidated VIEs [Member]
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Dec. 31, 2011
Credit Card Receivable [Member]
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Dec. 31, 2010
Credit Card Receivable [Member]
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Dec. 31, 2011
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2010
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, 2010
Seller Interest [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, 2010
Discount Receivables [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2010
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
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Variable Interest Entity [Line Items] | ||||||||||||||||||||||||||||
Maximum loss exposure | $ 38,282,000,000 | $ 36,596,000,000 | ||||||||||||||||||||||||||
On Balance Sheet Assets [Abstract] | ||||||||||||||||||||||||||||
Derivative assets | 73,023,000,000 | 73,000,000,000 | 1,634,000,000 | 2,027,000,000 | 788,000,000 | 1,778,000,000 | ||||||||||||||||||||||
Loans and leases | 926,200,000,000 | 940,440,000,000 | 140,194,000,000 | 145,469,000,000 | 74,793,000,000 | [1] | 92,104,000,000 | [1] | 28,700,000,000 | 20,400,000,000 | 1,000,000,000 | 3,800,000,000 | ||||||||||||||||
Allowance for Loan and Lease Losses | (33,783,000,000) | (41,885,000,000) | (37,200,000,000) | (23,071,000,000) | [2] | (5,066,000,000) | (8,935,000,000) | (4,742,000,000) | (8,505,000,000) | |||||||||||||||||||
Other Assets | 145,686,000,000 | 182,124,000,000 | 4,769,000,000 | 7,086,000,000 | 723,000,000 | [3] | 4,259,000,000 | [3] | ||||||||||||||||||||
Assets | 2,129,046,000,000 | [4] | 2,264,909,000,000 | [4] | 151,761,000,000 | 169,828,000,000 | 71,562,000,000 | 89,636,000,000 | ||||||||||||||||||||
On Balance Sheet Liabilities [Abstract] | ||||||||||||||||||||||||||||
Long-term Debt | 372,265,000,000 | 448,431,000,000 | 49,054,000,000 | 71,013,000,000 | 33,076,000,000 | 52,781,000,000 | ||||||||||||||||||||||
Other Liabilities | 1,116,000,000 | 9,141,000,000 | 204,000,000 | 259,000,000 | ||||||||||||||||||||||||
Total liabilities | 1,898,945,000,000 | 2,036,661,000,000 | 55,947,000,000 | 86,896,000,000 | 33,280,000,000 | 53,040,000,000 | ||||||||||||||||||||||
Trust loans | 74,793,000,000 | 92,104,000,000 | ||||||||||||||||||||||||||
In Text Details [Abstract] | ||||||||||||||||||||||||||||
Transfers of Financial Assets Accounted for as Sale, Initial Fair Value of Assets Obtained as Proceeds | 0 | 2,900,000,000 | ||||||||||||||||||||||||||
Notional Principal Amount Of Securities Issued By Securitization Trusts To Entity | $ 11,500,000,000 | |||||||||||||||||||||||||||
Stated Interest Rate Of Securities Issued By Securitization Trusts To Entity | 0.00% | |||||||||||||||||||||||||||
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