Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Securitizations and Other Variable Interest Entities - CDO Vehicle (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts $ 27,633 $ 24,851
Other assets 16,586 17,464
Total Assets 572,908 602,928
Derivative contracts 25,173 20,568
Long-term borrowings 81,551 92,249
Total Liabilities 507,598 538,528
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 2,463 3,521
Notional Amount Of Liquidity Exposure 1,300  
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 1,304 2,200
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Maximum loss exposure 1,159 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 91  
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 1,200  
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 7 9
Long-term borrowings 1,548 2,805
Total Liabilities 1,555 2,814
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 0 0
Long-term borrowings 1,548 2,805
Total Liabilities 1,548 2,805
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Derivative contracts 7 9
Long-term borrowings 0 0
Total Liabilities 7 9
Collateralized Debt Obligations [Member]
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 1,583 2,427
Derivative contracts 190 301
Other assets 44 52
Total Assets 1,817 2,780
Total assets of VIEs 26,220 29,168
Collateralized Debt Obligations [Member] | Consolidated VIE
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 1,310 2,200
Derivative contracts 0 0
Other assets 0 0
Total Assets 1,310 2,200
Total assets of VIEs, consolidated 1,310 2,200
Collateralized Debt Obligations [Member] | Unconsolidated VIEs
   
Summary of Infomration Related to CDO Vehicles [Abstract]    
Trading assets 273 227
Derivative contracts 190 301
Other assets 44 52
Total Assets 507 580
Total assets of VIEs, unconsolidated $ 24,910 $ 26,968