|
Variable Interest Entities And Securitization Activities (Narrative) (Details) (USD $)
|
6 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Jun. 30, 2011
|
Jun. 30, 2010
|
Dec. 31, 2010
|
|
| Additional maximum exposure to loss | $ 471,000,000 | $ 884,000,000 | |
| Securities issued by SPEs | 5,000,000,000 | ||
| Proceeds from new securitization transactions | 15,000,000,000 | 10,000,000,000 | |
| Proceeds from cash flows from retained interests in securitization transactions | 3,900,000,000 | 2,800,000,000 | |
| Intangible assets, fair value | 133,000,000 | 157,000,000 | |
| Servicing advances, net of reserves | 1,400,000,000 | 1,500,000,000 | |
| Servicing advances, reserves | 6,000,000 | 10,000,000 | |
| Residential and commercial mortgage loans for SPEs sponsored by unrelated parties with unpaid principal balances | 12,000,000,000 | 13,000,000,000 | |
|
Managed Real Estate Partnerships [Member]
|
|||
| Noncontrolling interest | 1,627,000,000 | 1,508,000,000 | |
|
Residential Mortgage-Backed Securities [Member]
|
|||
| Securities issued by SPEs | 1,800,000,000 | ||
|
U.S. Agency Collateralized Mortgage Obligations [Member]
|
|||
| Securities issued by SPEs | 1,000,000,000 | ||
|
Commercial Mortgage-Backed Securities [Member]
|
|||
| Securities issued by SPEs | 900,000,000 | ||
|
Collateralized Debt Obligations [Member]
|
|||
| Securities issued by SPEs | 800,000,000 | ||
|
Consumer Loans [Member]
|
|||
| Securities issued by SPEs | $ 500,000,000 | ||