v2.4.0.6
Variable Interest Entities and Securitization Activities (Consolidated VIEs) (Details) (Consolidated VIEs, USD $)
In Millions, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Mortgage and Asset-Backed Securities
   
VIE assets $ 978 $ 2,414
VIE liabilities 646 1,699
Collateralized Debt Obligations
   
VIE assets 52 102
VIE liabilities 16 69
Managed Real Estate Partnerships
   
VIE assets 2,394 2,207
VIE liabilities 83 102
Other Structured Financings
   
VIE assets 983 918
VIE liabilities 65 2,576
Other
   
VIE assets 1,676 1,937
VIE liabilities $ 313 $ 556