Quarterly report pursuant to Section 13 or 15(d)

Securitizations and Other Variable Interest Entities - CDO Vehicle (Details)

v2.4.0.6
Securitizations and Other Variable Interest Entities - CDO Vehicle (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts $ 27,507 $ 24,851
Other assets 17,235 17,464
Total Assets 577,586 602,928
Derivative contracts 23,907 20,568
Long-term borrowings 90,106 92,249
Total Liabilities 513,265 538,528
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 3,574 3,521
Notional Amount Of Liquidity Exposure 1,400  
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 2,325 2,200
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 1,249 1,321
Collateralized Debt Obligations [Member] | Super Senior Collateralized Debt Obligation [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Notional Amount Of Liquidity Exposure 98  
Collateralized Debt Obligations [Member] | Non-Super Senior Collateralized Debt Obligation [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Notional Amount Of Liquidity Exposure 1,300  
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 6 9
Long-term borrowings 2,861 2,805
Total Liabilities 2,867 2,814
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 0 0
Long-term borrowings 2,861 2,805
Total Liabilities 2,861 2,805
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 6 9
Long-term borrowings 0 0
Total Liabilities 6 9
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 2,602 2,427
Derivative contracts 233 301
Other assets 47 52
Total Assets 2,882 2,780
Total assets of VIEs 28,417 29,168
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 2,325 2,200
Derivative contracts 0 0
Other assets 0 0
Total Assets 2,325 2,200
Total assets of VIEs, consolidated 2,325 2,200
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 277 227
Derivative contracts 233 301
Other assets 47 52
Total Assets 557 580
Total assets of VIEs, unconsolidated $ 26,092 $ 26,968