Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - Customer Vehicles (Details)

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Securitizations and Other Variable Interest Entities - Customer Vehicles (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2011
On Balance Sheet Assets [Abstract]      
Derivative assets $ 59,939 $ 73,023  
Loans and leases 892,315 926,200  
Loans held-for-sale 13,289 13,762  
Other Assets 146,172 145,686  
Total assets 2,160,854 2,129,046 2,261,319
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 51,515 59,520  
Commercial paper and other short-term borrowings 39,019 35,698  
Long-term debt 301,848 372,265  
Total liabilities 1,924,879 1,898,945  
Consolidated VIEs [Member]
      
On Balance Sheet Assets [Abstract]      
Derivative assets 1,007 1,634  
Loans and leases 128,386 140,194  
Loans held-for-sale 2,163 1,635  
Other Assets 4,113 4,769  
Total assets 140,094 151,761  
On Balance Sheet Liabilities [Abstract]      
Commercial paper and other short-term borrowings 4,449 5,777  
Long-term debt 38,456 49,054  
Other Liabilities 1,161 1,116  
Total liabilities 44,066 55,947  
Customer Vehicles [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 4,573 5,380  
On Balance Sheet Assets [Abstract]      
Trading account assets 3,839 3,513  
Derivative assets 761 905  
Loans and leases 175 0  
Loans held-for-sale 888 907  
Other Assets 923 1,452  
Total assets 6,586 6,777  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 57 46  
Commercial paper and other short-term borrowings 203 0  
Long-term debt 3,952 3,912  
Other Liabilities 479 449  
Total liabilities 4,691 4,407  
Total assets of VIEs 9,345 10,963  
In Text Details [Abstract]      
Liquidity Commitments To Unconsolidated Securitization Trusts 737 824  
Customer Vehicles [Member] | Consolidated VIEs [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 2,687 3,264  
On Balance Sheet Assets [Abstract]      
Trading account assets 3,682 3,302  
Derivative assets 4 0  
Loans and leases 175 0  
Loans held-for-sale 888 907  
Other Assets 923 1,452  
Total assets 5,672 5,661  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 16 4  
Commercial paper and other short-term borrowings 203 0  
Long-term debt 3,952 3,912  
Other Liabilities 82 1  
Total liabilities 4,253 3,917  
Consolidated, Total assets of VIEs 5,672 5,661  
Customer Vehicles [Member] | Unconsolidated VIEs [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 1,886 2,116  
On Balance Sheet Assets [Abstract]      
Trading account assets 157 211  
Derivative assets 757 905  
Loans and leases 0 0  
Loans held-for-sale 0 0  
Other Assets 0 0  
Total assets 914 1,116  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 41 42  
Commercial paper and other short-term borrowings 0 0  
Long-term debt 0 0  
Other Liabilities 397 448  
Total liabilities 438 490  
Unconsolidated, Total assets of VIEs $ 3,673 $ 5,302