Annual report pursuant to Section 13 and 15(d)

Securitizations and Other Variable Interest Entities - Other (Details)

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Securitizations and Other Variable Interest Entities - Other (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2011
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2010
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Investment Vehicles [Member]
Dec. 31, 2010
Investment Vehicles [Member]
Dec. 31, 2011
Collective Investment Fund [Member]
Dec. 31, 2010
Collective Investment Fund [Member]
Dec. 31, 2010
Asset Acquisition Conduit [Member]
Dec. 31, 2011
Other Asset Back Financing Arrangement [Member]
Dec. 31, 2010
Other Asset Back Financing Arrangement [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Dec. 31, 2010
Consolidated VIEs [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2010
Consolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2010
Consolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2011
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Dec. 31, 2010
Consolidated VIEs [Member]
Leveraged Lease Trusts [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2010
Unconsolidated VIEs [Member]
Other Investment Vehicles Funds Trusts Conduits And Real Estate Vehicles [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2010
Unconsolidated VIEs [Member]
Investment Vehicles [Member]
Dec. 31, 2011
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Dec. 31, 2010
Unconsolidated VIEs [Member]
Real Estate Vehicles [Member]
Variable Interest Entity [Line Items]                                                      
Maximum loss exposure         $ 14,715,000,000 $ 28,044,000,000 $ 4,400,000,000 $ 8,700,000,000       $ 4,700,000,000 $ 6,500,000,000     $ 7,429,000,000 $ 19,248,000,000         $ 7,286,000,000 $ 8,796,000,000        
On Balance Sheet Assets [Abstract]                                                      
Trading account assets         0 8,900,000,000                   0 8,900,000,000         0 0        
Derivative assets 73,023,000,000 73,000,000,000     834,000,000 228,000,000               1,634,000,000 2,027,000,000 394,000,000 0         440,000,000 228,000,000        
AFS Debt Securities 276,151,000,000 337,627,000,000     62,000,000 1,905,000,000               0 2,601,000,000 0 1,832,000,000         62,000,000 73,000,000        
Loans and leases 926,200,000,000 940,440,000,000     5,511,000,000 8,812,000,000               140,194,000,000 145,469,000,000 5,154,000,000 7,690,000,000         357,000,000 1,122,000,000        
Allowance for Loan and Lease Losses 33,783,000,000 41,885,000,000 37,200,000,000 23,071,000,000 [1] (9,000,000) (49,000,000)               5,066,000,000 8,935,000,000 (8,000,000) (27,000,000)         (1,000,000) (22,000,000)        
Loans held-for-sale 13,762,000,000 35,058,000,000     704,000,000 1,211,000,000               1,635,000,000 1,953,000,000 106,000,000 262,000,000         598,000,000 949,000,000        
Other Assets 145,686,000,000 182,124,000,000     7,632,000,000 7,377,000,000               4,769,000,000 7,086,000,000 1,809,000,000 937,000,000         5,823,000,000 6,440,000,000        
Assets 2,129,046,000,000 [2] 2,264,909,000,000 [2]     14,734,000,000 28,384,000,000         640,000,000     151,761,000,000 169,828,000,000 7,455,000,000 19,594,000,000 2,600,000,000 5,600,000,000 4,800,000,000 5,200,000,000 7,279,000,000 8,790,000,000 5,500,000,000 7,900,000,000 5,400,000,000 5,400,000,000
On Balance Sheet Liabilities [Abstract]                                                      
Commercial paper and other short-term borrowings 35,698,000,000 59,962,000,000     0 1,115,000,000               5,777,000,000 6,742,000,000 0 1,115,000,000         0 0        
Long-term Debt 372,265,000,000 448,431,000,000     10,000,000 229,000,000               49,054,000,000 71,013,000,000 10,000,000 229,000,000         0 0        
Other Liabilities         2,399,000,000 10,349,000,000               1,116,000,000 9,141,000,000 694,000,000 8,683,000,000         1,705,000,000 1,666,000,000        
Liabilities 1,898,945,000,000 2,036,661,000,000     2,409,000,000 11,693,000,000               55,947,000,000 86,896,000,000 704,000,000 10,027,000,000         1,705,000,000 1,666,000,000        
Consolidated, Total assets of VIEs                               7,455,000,000 19,594,000,000                    
Uncolsolidated, Total assets of VIEs                                           11,055,000,000 13,416,000,000        
Total assets of VIEs         18,510,000,000 33,010,000,000                                          
In Text Details [Abstract]                                                      
Assets For Certain Common And Collective Investment Funds For Which Corporation Is Trustee But Does Not Have Variable Interest Excluding Stable Value Collective Investment Fund                 11,100,000,000 21,200,000,000                                  
Assets For Certain Common And Collective Investment Fund Stable Value Collective Investment Fund For Which Corporation Holds Variable Interest                   $ 8,100,000,000                                  
Financing provided for asset-backed financing arrangements, percentage                       75.00%                              
[1] The 2010 balance includes $10.8 billion of allowance for loan and lease losses related to the adoption of new consolidation guidance. This includes $573 million for the home loans portfolio segment and $10.2 billion for the credit card and other consumer portfolio segment.
[2] Total assets include long-lived assets, which are primarily located in the U.S.