Mortgage Servicing Rights (Details) (USD $) |
3 Months Ended | 9 Months Ended | ||||||||||||||
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Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011 |
Sep. 30, 2010 |
Sep. 30, 2011
Commercial and Residential Reverse Mortgage [Member]
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Dec. 31, 2010
Commercial and Residential Reverse Mortgage [Member]
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| Servicing Assets at Fair Value [Line Items] | ||||||||||||||||
| Servicing Asset at Amortized Cost | $ 157,000,000 | $ 278,000,000 | ||||||||||||||
| Activity for residential first mortgage MSRs | ||||||||||||||||
| Balance, beginning of period | 12,372,000,000 | 14,745,000,000 | 14,900,000,000 | 19,465,000,000 | ||||||||||||
| Additions | 251,000,000 | 784,000,000 | 1,502,000,000 | 2,861,000,000 | ||||||||||||
| Sales | (218,000,000) | (39,000,000) | (452,000,000) | (103,000,000) | ||||||||||||
| Impact of customer payments | (665,000,000) | [1] | (924,000,000) | [1] | (2,010,000,000) | [1] | (2,961,000,000) | [1] | ||||||||
| Impact of changes in interest rates and other market factors | (4,471,000,000) | [2] | (2,142,000,000) | [2] | (4,856,000,000) | [2] | (6,142,000,000) | [2] | ||||||||
| Model and other cash flow assumption changes: | ||||||||||||||||
| Projected cash flows, primarily due to increases in cost to service loans | (243,000,000) | [3] | (1,648,000,000) | [3] | (2,272,000,000) | [3] | (2,724,000,000) | [3] | ||||||||
| Impact of changes in the Home Price Index | 0 | [3] | 905,000,000 | [3] | 434,000,000 | [3] | 871,000,000 | [3] | ||||||||
| Impact of changes to the prepayment model | 1,470,000,000 | [3] | 717,000,000 | [3] | 1,596,000,000 | [3] | 1,144,000,000 | [3] | ||||||||
| Other model changes | (616,000,000) | [3] | (147,000,000) | [3] | (962,000,000) | [3] | (160,000,000) | [3] | ||||||||
| Balance, September 30 | 7,880,000,000 | 12,251,000,000 | 7,880,000,000 | 12,251,000,000 | ||||||||||||
| Mortgage loans serviced for investors | $ 1,512,000,000,000 | $ 1,669,000,000,000 | $ 1,512,000,000,000 | $ 1,669,000,000,000 | ||||||||||||
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| X | ||||||||||
- Definition Model and other cash flow assumption changes.
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| X | ||||||||||
- Definition This represents the change in projected cash flows due to increases in cost to service loans, on the fair value of servicing assets.
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| X | ||||||||||
- Definition This represents the changes in the Home Price Index, on the fair value of servicing assets.
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| X | ||||||||||
- Definition This represents the changes to the prepayment modeal, on the fair value of servicing assets.
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- Definition This represents the impact of customer payments, including refinancing, on the fair value of servicing assets.
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| X | ||||||||||
- Definition This represents the impact of customer payments, including refinancing, on the fair value of servicing assets.
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- Definition This represents the unpaid principal balance of mortgage loans serviced for investors at fair value.
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- Definition Amortized carrying amount (balance) as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The value of new servicing assets, subsequently measured at fair value, acquired or created during the current period through purchases or from transfers of financial assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
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- Definition Decrease in servicing assets subsequently measured at fair value resulting from conveyance of servicing rights to unrelated parties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Other net Increase or Decrease in the balance in servicing assets subsequently measured at fair value. This element is for changes other than additions, disposals, changes in fair value resulting from changes in valuation inputs or changes in assumptions, or other changes in fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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