Securitizations and Other Variable Interest Entities - Credit Card (Details) (USD $)
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12 Months Ended | |||||||||||||||||||||||||
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Dec. 31, 2013
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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, 2013
Consolidated VIEs [Member]
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Dec. 31, 2012
Consolidated VIEs [Member]
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Dec. 31, 2013
Credit Card Receivable [Member]
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Dec. 31, 2012
Credit Card Receivable [Member]
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Dec. 31, 2013
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2012
Credit Card Receivable [Member]
Consolidated VIEs [Member]
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Dec. 31, 2013
Seller Interest [Member]
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, 2013
Discount Receivables [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, 2013
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
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Dec. 31, 2012
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
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Variable Interest Entity [Line Items] | ||||||||||||||||||||||||||
Maximum loss exposure | $ 49,621,000,000 | $ 42,487,000,000 | ||||||||||||||||||||||||
On Balance Sheet Assets [Abstract] | ||||||||||||||||||||||||||
Derivative assets | 47,495,000,000 | 53,497,000,000 | 185,000,000 | 333,000,000 | 182,000,000 | 323,000,000 | ||||||||||||||||||||
Loans and leases | 928,233,000,000 | 907,819,000,000 | 109,118,000,000 | 123,227,000,000 | 61,241,000,000 | [1] | 66,427,000,000 | [1] | 41,200,000,000 | 33,500,000,000 | 14,000,000 | 124,000,000 | ||||||||||||||
Allowance for loan and lease losses | (17,428,000,000) | (24,179,000,000) | (33,783,000,000) | (41,885,000,000) | (2,674,000,000) | (3,658,000,000) | (2,585,000,000) | (3,445,000,000) | ||||||||||||||||||
Loans held-for-sale | 11,362,000,000 | 19,413,000,000 | 1,384,000,000 | 1,969,000,000 | 386,000,000 | 0 | ||||||||||||||||||||
All other assets | 124,090,000,000 | 150,112,000,000 | 4,577,000,000 | 4,654,000,000 | 2,281,000,000 | [2] | 1,567,000,000 | [2] | ||||||||||||||||||
Year-end total assets | 2,102,273,000,000 | [3] | 2,209,974,000,000 | [3] | 121,002,000,000 | 134,431,000,000 | 61,505,000,000 | 64,872,000,000 | ||||||||||||||||||
On Balance Sheet Liabilities [Abstract] | ||||||||||||||||||||||||||
Long-term debt | 249,674,000,000 | 275,585,000,000 | 19,448,000,000 | 34,256,000,000 | 11,822,000,000 | 22,291,000,000 | ||||||||||||||||||||
All other liabilities | 253,000,000 | 360,000,000 | 62,000,000 | 94,000,000 | ||||||||||||||||||||||
Total liabilities | 1,869,588,000,000 | 1,973,018,000,000 | 20,851,000,000 | 38,347,000,000 | 11,884,000,000 | 22,385,000,000 | ||||||||||||||||||||
In Text Details [Abstract] | ||||||||||||||||||||||||||
Notional Principal Amount Of Securities Issued By Securitization Trusts To Entity | 7,900,000,000 | 10,100,000,000 | ||||||||||||||||||||||||
Stated Interest Rate Of Securities Issued By Securitization Trusts To Entity | 0.00% | |||||||||||||||||||||||||
Transferor's Interests in Transferred Financial Assets, Fair Value | 553,000,000 | |||||||||||||||||||||||||
Senior Interest of Receivable Held | $ 272,000,000 | $ 309,000,000 | ||||||||||||||||||||||||
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