|
Variable Interest Entities and Securitization Activities (Narrative) (Details) (USD $)
|
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Apr. 02, 2012
|
|
| Noncontrolling interest | $ 1,804,000,000 | $ 1,653,000,000 | ||
| Additional maximum exposure to loss | 58,000,000 | 200,000,000 | ||
| Securities issued by SPEs | 3,600,000,000 | |||
| Proceeds from new securitization transactions | 17,000,000,000 | 22,600,000,000 | 25,600,000,000 | |
| Proceeds from cash flows from retained interests in securitization transactions | 4,300,000,000 | 6,500,000,000 | 7,100,000,000 | |
| Servicing advances, net of reserves | 49,000,000 | 1,296,000,000 | ||
| Servicing advances, reserves | 0 | 14,000,000 | ||
| Mortgage servicing rights | 7,000,000 | 133,000,000 | 157,000,000 | |
| Fair value of mortgage servicing rights sold | 119,000,000 | 84,000,000 | ||
|
Residential Mortgage Loans
|
||||
| Securities issued by SPEs | 700,000,000 | |||
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U.S. Agency Collateralized Mortgage Obligations
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||||
| Securities issued by SPEs | 1,100,000,000 | |||
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Commercial Mortgage Loans
|
||||
| Securities issued by SPEs | 500,000,000 | |||
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Collateralized Debt Obligations
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||||
| Securities issued by SPEs | 600,000,000 | |||
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Other Consumer Loans
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||||
| Securities issued by SPEs | $ 700,000,000 | |||