Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Credit Card (Details)

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Securitizations and Other Variable Interest Entities - Credit Card (Details) (USD $)
 3 Months Ended 3 Months Ended
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Jun. 30, 2012
Consolidated VIEs [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Jun. 30, 2012
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Dec. 31, 2011
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Jun. 30, 2012
Seller Interest [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Dec. 31, 2011
Seller Interest [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Jun. 30, 2012
Discount Receivables [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Dec. 31, 2011
Discount Receivables [Member]
Credit Card Receivable [Member]
Consolidated VIEs [Member]
Jun. 30, 2012
Subordinated Debt Securities [Member]
Credit Card Receivable [Member]
Jun. 30, 2012
Collateralized Credit Card Securities [Member]
Consolidated VIEs [Member]
Dec. 31, 2011
Collateralized Credit Card Securities [Member]
Consolidated VIEs [Member]
Variable Interest Entity [Line Items]                                  
Maximum loss exposure                 $ 41,029,000,000 $ 38,282,000,000              
On Balance Sheet Assets [Abstract]                                  
Derivative assets 59,939,000,000   73,023,000,000       1,007,000,000 1,634,000,000 337,000,000 788,000,000              
Loans and leases 892,315,000,000   926,200,000,000       128,386,000,000 140,194,000,000 67,799,000,000 [1] 74,793,000,000 [1] 31,200,000,000 28,700,000,000 383,000,000 1,000,000,000      
Allowance for loan and lease losses (30,288,000,000) (32,211,000,000) (33,783,000,000) (37,312,000,000) (39,843,000,000) (41,885,000,000) (4,074,000,000) (5,066,000,000) (3,848,000,000) (4,742,000,000)              
Loans Held-for-sale, Consumer, Credit Card                               553,000,000 0
Other Assets 146,172,000,000   145,686,000,000       4,113,000,000 4,769,000,000 2,069,000,000 [2] 723,000,000 [2]              
Total assets 2,160,854,000,000   2,129,046,000,000 2,261,319,000,000     140,094,000,000 151,761,000,000 66,910,000,000 71,562,000,000              
Commercial paper and other short-term borrowings 39,019,000,000   35,698,000,000       4,449,000,000 5,777,000,000 553,000,000                 
On Balance Sheet Liabilities [Abstract]                                  
Long-term debt 301,848,000,000   372,265,000,000       38,456,000,000 49,054,000,000 25,218,000,000 33,076,000,000              
Other Liabilities             1,161,000,000 1,116,000,000 110,000,000 204,000,000              
Total liabilities 1,924,879,000,000   1,898,945,000,000       44,066,000,000 55,947,000,000 25,881,000,000 33,280,000,000              
Trust loans                 68,352,000,000 74,793,000,000              
In Text Details [Abstract]                                  
Notional Principal Amount Of Securities Issued By Securitization Trusts To Entity                             10,600,000,000    
Stated Interest Rate Of Securities Issued By Securitization Trusts To Entity                             0.00%    
Cash Flows Between Transferor and Transferee, Beneficial Interest                 $ 553,000,000                
[1] At June 30, 2012 and December 31, 2011, loans and leases included $31.2 billion and $28.7 billion of seller’s interest and $383 million and $1.0 billion of discount receivables.
[2] At June 30, 2012 and December 31, 2011, all other assets included restricted cash and short-term investment accounts and unbilled accrued interest and fees.