v2.4.0.6
Securitizations and Variable Interest Entities, Cash Flow Securitizations (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Mortgage loans [Member]
   
Cash Flow Securitizations [Abstract]    
Sales proceeds from securitizations $ 143,105 $ 100,241
Servicing fees 1,111 1,088
Other interests held 426 503
Purchases of delinquent assets 0 3
Net servicing advances 14 (9)
Other financial assets [Member]
   
Cash Flow Securitizations [Abstract]    
Sales proceeds from securitizations 0 0
Servicing fees 3 3
Other interests held 49 87
Purchases of delinquent assets 0 0
Net servicing advances $ 0 $ 0