Annual report pursuant to Section 13 and 15(d)

Outstanding Loans and Leases - Loans Held-for-Sale (Details)

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Outstanding Loans and Leases - Loans Held-for-Sale (Details) (USD $)
In Billions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans Receivable Held-for-sale, Amount $ 13.8 $ 35.1  
Proceeds from sales securitizations and paydowns of loans held for sale 147.5 281.7 365.1
Proceeds used for originations and purchase of loan held for sale $ 118.2 $ 263.0 $ 369.4