Annual report pursuant to Section 13 and 15(d)

Representations and Warranties Obligations and Corporate Guarantees - Liabilities (Details)

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Representations and Warranties Obligations and Corporate Guarantees - Liabilities (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Liability For Representations Warranties And Guarantees [Roll Forward]    
Liability for representations and warranties and corporate guarantees, beginning of year $ 5,438 $ 3,507
Additions for new sales 20 30
Charge-offs (5,191) (4,803)
Provision 15,591 6,785
Other Liability   (81)
Liability for representations and warranties and corporate guarantees, December 31 $ 15,858 $ 5,438