v2.3.0.11
Variable Interest Entities And Securitization Activities (Mortgage Servicing Activities For SPEs) (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2011
Dec. 31, 2010
Assets serviced (unpaid principal balance) $ 12,000 $ 13,000
Amounts past due 90 days or greater (unpaid principal balance) 1,800 2,000
Unconsolidated Special Purpose Entities [Member] | Residential Mortgage Loans [Member]
   
Assets serviced (unpaid principal balance) 9,902 10,616
Amounts past due 90 days or greater (unpaid principal balance) 3,375 [1] 3,861 [1]
Percentage of amounts past due 90 days or greater 34.10% [1] 36.40% [1]
Credit losses 206 1,098
Unconsolidated Special Purpose Entities [Member] | Commercial Mortgage Loans [Member]
   
Assets serviced (unpaid principal balance) 6,893 7,108
Amounts past due 90 days or greater (unpaid principal balance)   [1]   [1]
Percentage of amounts past due 90 days or greater   [1]   [1]
Credit losses    
Consolidated Special Purpose Entities [Member] | Residential Mortgage Loans [Member]
   
Assets serviced (unpaid principal balance) 2,221 2,357
Amounts past due 90 days or greater (unpaid principal balance) 408 [1] 446 [1]
Percentage of amounts past due 90 days or greater 18.40% [1] 18.90% [1]
Credit losses 13 35
Consolidated Special Purpose Entities [Member] | Commercial Mortgage Loans [Member]
   
Assets serviced (unpaid principal balance) 1,993 2,097
Amounts past due 90 days or greater (unpaid principal balance)   [1]   [1]
Percentage of amounts past due 90 days or greater   [1]   [1]
Credit losses    
[1] Amount includes loans that are at least 90 days contractually delinquent, loans for which the borrower has filed for bankruptcy, loans in foreclosure and real estate owned.