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Representations and Warranties Obligations and Corporate Guarantees - Outstanding Claims (Details) (USD $)
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3 Months Ended |
9 Months Ended |
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Sep. 30, 2012
Payment
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Sep. 30, 2012
Payment
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Dec. 31, 2011
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Counterparty |
$ 25,462,000,000
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$ 25,462,000,000
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$ 12,607,000,000
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| Outstanding Claims By Product Type |
25,462,000,000
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25,462,000,000
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12,607,000,000
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| Outstanding Claims, From Mortgage Insurance Recission Notices |
2,200,000,000
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2,200,000,000
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1,200,000,000
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| Repurchase Demands Excluded from Outstanding Claims |
1,700,000,000
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1,700,000,000
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1,700,000,000
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| New Purchase Claims |
5,000,000,000
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17,900,000,000
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| Amount of Loan Repurchase Claims Resolved |
2,200,000,000
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5,000,000,000
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| Amount of Loan Repurchase Claims Resolved Through Rescission |
1,900,000,000
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3,500,000,000
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| Amount of Loan Repurchase Claims Resolved Through Repurchase and Make Whole Payments |
322,000,000
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1,500,000,000
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| Number of Payments Made By Borrower |
25
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25
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| Outstanding Claims Related to Loans on Which the Borrower Made at Least 25 Payments |
9,200,000,000
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9,200,000,000
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3,700,000,000
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| Repurchase Demands Received Excluded from Outstanding Claims |
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300,000,000
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Prime loans [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
7,846,000,000
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7,846,000,000
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3,925,000,000
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Alt [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
4,882,000,000
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4,882,000,000
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2,286,000,000
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Home Equity [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
2,319,000,000
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2,319,000,000
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2,872,000,000
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Pay option [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
5,726,000,000
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5,726,000,000
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1,993,000,000
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Subprime [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
3,039,000,000
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3,039,000,000
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891,000,000
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Other Product Type [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Product Type |
1,650,000,000
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1,650,000,000
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640,000,000
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GSEs [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Counterparty |
12,322,000,000
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12,322,000,000
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6,258,000,000
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| Loss Severity Rate on Loans Originated Between 2004 and 2008 |
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55.00%
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Federal National Mortgage Association [Member]
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| Guarantor Obligations [Line Items] |
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| New Purchase Claims |
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8,700,000,000
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| Outstanding Claims For Representations And Warranties Unpaid Principal Balance |
11,500,000,000
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11,500,000,000
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| Number of Payments Made By Borrower |
37
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37
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| Outstanding Claims Related to Loans on Which the Borrower Made at Least 25 Payments |
8,600,000,000
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8,600,000,000
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| New Purchase Claims Related to Loans Originated Between 2005 And 2007 |
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7,100,000,000
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| Outstanding Claims Related to Loans Originated Between 2005 and 2007 On Which the Borrower Made at Least 25 Payments |
5,800,000,000
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5,800,000,000
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| Outstanding Claims Related to Loans Originated Between 2005 and 2007 On Which Borrower Made at Least 37 Payments |
2,900,000,000
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2,900,000,000
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Monoline [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Counterparty |
2,629,000,000
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2,629,000,000
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3,082,000,000
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Whole loan sale, private-label securitizations and other [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims By Counterparty |
10,511,000,000
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10,511,000,000
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3,267,000,000
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Whole loan sale, private-label securitizations and other [Member]
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| Guarantor Obligations [Line Items] |
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| Repurchase Demands Received Excluded from Outstanding Claims |
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1,400,000,000
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Government sponsored enterprise obligations [Member]
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| Guarantor Obligations [Line Items] |
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| New Purchase Claims |
2,700,000,000
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10,100,000,000
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Monoline [Member]
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| Guarantor Obligations [Line Items] |
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| New Purchase Claims |
237,000,000
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295,000,000
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| Outstanding Claims For Representations And Warranties Unpaid Principal Balance |
2,600,000,000
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2,600,000,000
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3,100,000,000
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Other Non Government Sponsored Entites [Member]
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| Guarantor Obligations [Line Items] |
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| Repurchase Demands Excluded from Outstanding Claims |
9,400,000,000
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9,400,000,000
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| New Purchase Claims |
983,000,000
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6,200,000,000
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| Outstanding Claims For Representations And Warranties Unpaid Principal Balance |
10,100,000,000
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10,100,000,000
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Whole-Loan Investors [Member]
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| Guarantor Obligations [Line Items] |
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| New Purchase Claims |
1,000,000,000
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1,300,000,000
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Monoline [Member] | Monoline [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims For Representations And Warranties Unpaid Principal Balance |
2,400,000,000
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2,400,000,000
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Monoline [Member] | Monoline [Member]
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| Guarantor Obligations [Line Items] |
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| Outstanding Claims For Representations And Warranties Unpaid Principal Balance |
183,000,000
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183,000,000
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Whole loan sale, private-label securitizations and other [Member]
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| Guarantor Obligations [Line Items] |
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| Repurchase Demands Received Excluded from Outstanding Claims |
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$ 1,400,000,000
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Maximum [Member]
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| Guarantor Obligations [Line Items] |
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| Timeframe To Resolve Repurchase Claims In Dispute |
120 days
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Minimum [Member]
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| Guarantor Obligations [Line Items] |
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| Timeframe To Resolve Repurchase Claims In Dispute |
90 days
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