Quarterly report pursuant to Section 13 or 15(d)

Representations and Warranties Obligations and Corporate Guarantees - Outstanding Claims (Details)

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Representations and Warranties Obligations and Corporate Guarantees - Outstanding Claims (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Payment
Jun. 30, 2012
Payment
Dec. 31, 2011
Guarantor Obligations [Line Items]      
Outstanding Claims By Counterparty $ 22,705,000,000 $ 22,705,000,000 $ 12,607,000,000
Outstanding Claims By Product Type 22,705,000,000 22,705,000,000 12,607,000,000
New Purchase Claims 8,200,000,000 12,900,000,000  
Amount of Loan Repurchase Claims Resolved 1,600,000,000 2,800,000,000  
Amount of Loan Repurchase Claims Resolved Through Repurchase and Make Whole Payments 704,000,000 1,200,000,000  
Amount of Loan Repurchase Claims Resolved Through Rescission 876,000,000 1,600,000,000  
Outstanding Claims Related to Loans on Which the Borrower Made at Least 25 Payments 7,900,000,000 7,900,000,000 3,700,000,000
Table Details [Abstract]      
Outstanding Claims, From Mortgage Insurance Recission Notices 2,000,000,000 2,000,000,000 1,200,000,000
Repurchase Demands Excluded from Outstanding Claims 3,100,000,000 3,100,000,000 1,700,000,000
Repurchase Demands Received Excluded from Outstanding Claims   1,400,000,000  
Number of Payments Made By Borrower 25 25  
Prime loans [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 6,729,000,000 6,729,000,000 3,925,000,000
Alt [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 4,648,000,000 4,648,000,000 2,286,000,000
Home Equity [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 2,954,000,000 2,954,000,000 2,872,000,000
Pay option [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 4,390,000,000 4,390,000,000 1,993,000,000
Subprime [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 2,526,000,000 2,526,000,000 891,000,000
Other Product Type [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Product Type 1,458,000,000 1,458,000,000 640,000,000
GSEs [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Counterparty 10,974,000,000 10,974,000,000 6,258,000,000
Table Details [Abstract]      
Outstanding Claims For Representations And Warranties Unpaid Principal Balance 11,000,000,000 11,000,000,000  
Loss Severity Rate on Loans Originated Between 2004 and 2008   55.00%  
Federal National Mortgage Association [Member]
     
Guarantor Obligations [Line Items]      
New Purchase Claims   6,300,000,000  
New Purchase Claims Related to Loans Originated Between 2005 And 2007   5,500,000,000  
Outstanding Claims Related to Loans on Which the Borrower Made at Least 25 Payments 7,300,000,000 7,300,000,000  
Table Details [Abstract]      
Outstanding Claims For Representations And Warranties Unpaid Principal Balance 10,100,000,000 10,100,000,000  
Outstanding Claims Related to Loans Originated Between 2005 and 2007 On Which the Borrower Made at Least 25 Payments 4,400,000,000 4,400,000,000  
Outstanding Claims Related to Loans Originated Between 2005 and 2007 On Which Borrower Made at Least 37 Payments 2,100,000,000 2,100,000,000  
Number of Payments Made By Borrower 37 37  
Monoline [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Counterparty 3,128,000,000 3,128,000,000 3,082,000,000
Whole loan sale, private-label securitizations and other [Member]
     
Guarantor Obligations [Line Items]      
Outstanding Claims By Counterparty 8,603,000,000 8,603,000,000 3,267,000,000
Whole loan sale, private-label securitizations and other [Member]
     
Table Details [Abstract]      
Outstanding Claims For Representations And Warranties Unpaid Principal Balance 8,600,000,000 8,600,000,000 3,300,000,000
Government sponsored enterprise obligations [Member]
     
Guarantor Obligations [Line Items]      
New Purchase Claims 4,400,000,000 7,400,000,000  
Monoline [Member]
     
Table Details [Abstract]      
Outstanding Claims For Representations And Warranties Unpaid Principal Balance 3,100,000,000 3,100,000,000  
Outstanding Claims Resolved Through Legal Settlement Subsequent to Period End 674,000,000 674,000,000  
Other Non Government Sponsored Entites [Member]
     
Guarantor Obligations [Line Items]      
New Purchase Claims 3,700,000,000 5,300,000,000  
Table Details [Abstract]      
Outstanding Claims For Representations And Warranties Unpaid Principal Balance 8,300,000,000 8,300,000,000  
Repurchase Demands Excluded from Outstanding Claims 5,700,000,000 5,700,000,000  
Repurchase Demands under Review 2,600,000,000 2,600,000,000  
Whole-Loan Investors [Member]
     
Guarantor Obligations [Line Items]      
New Purchase Claims $ 119,000,000 $ 226,000,000