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
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2011
On Balance Sheet Assets [Abstract]      
Derivative assets $ 57,865 $ 73,023  
Loans and leases 893,035 926,200  
Loans held-for-sale 16,436 13,762  
Other Assets 150,698 145,686  
Total assets 2,166,162 2,129,046 2,219,628
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 51,369 59,520  
Commercial paper and other short-term borrowings 35,291 35,698  
Long-term debt 286,534 372,265  
Total liabilities 1,927,556 1,898,945  
Consolidated VIEs [Member]
      
On Balance Sheet Assets [Abstract]      
Derivative assets 546 1,634  
Loans and leases 125,043 140,194  
Loans held-for-sale 2,165 1,635  
Other Assets 3,754 4,769  
Total assets 137,656 151,761  
On Balance Sheet Liabilities [Abstract]      
Commercial paper and other short-term borrowings 3,872 5,777  
Long-term debt 38,055 49,054  
Other Liabilities 625 1,116  
Total liabilities 42,552 55,947  
Customer Vehicles [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 4,592 5,380  
On Balance Sheet Assets [Abstract]      
Trading account assets 3,949 3,513  
Derivative assets 659 905  
Loans and leases 176 0  
Loans held-for-sale 838 907  
Other Assets 798 1,452  
Total assets 6,420 6,777  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 75 46  
Commercial paper and other short-term borrowings 192 0  
Long-term debt 3,796 3,912  
Other Liabilities 432 449  
Total liabilities 4,495 4,407  
Total assets of VIEs 10,049 10,963  
In Text Details [Abstract]      
Liquidity Commitments To Unconsolidated Securitization Trusts 745 824  
Customer Vehicles [Member] | Consolidated VIEs [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 2,632 3,264  
On Balance Sheet Assets [Abstract]      
Trading account assets 3,666 3,302  
Derivative assets 0 0  
Loans and leases 176 0  
Loans held-for-sale 838 907  
Other Assets 798 1,452  
Total assets 5,478 5,661  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 24 4  
Commercial paper and other short-term borrowings 192 0  
Long-term debt 3,796 3,912  
Other Liabilities 1 1  
Total liabilities 4,013 3,917  
Consolidated, Total assets of VIEs 5,478 5,661  
Customer Vehicles [Member] | Unconsolidated VIEs [Member]
      
Variable Interest Entity [Line Items]      
Maximum loss exposure 1,960 2,116  
On Balance Sheet Assets [Abstract]      
Trading account assets 283 211  
Derivative assets 659 905  
Loans and leases 0 0  
Loans held-for-sale 0 0  
Other Assets 0 0  
Total assets 942 1,116  
On Balance Sheet Liabilities [Abstract]      
Derivative Liabilities 51 42  
Commercial paper and other short-term borrowings 0 0  
Long-term debt 0 0  
Other Liabilities 431 448  
Total liabilities 482 490  
Unconsolidated, Total assets of VIEs $ 4,571 $ 5,302