Quarterly report pursuant to Section 13 or 15(d)

Other Assets Servicing Portfolio (Details)

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Other Assets Servicing Portfolio (Details) (USD $)
In Billions, unless otherwise specified
Sep. 30, 2013
unit
Other Assets [Abstract]  
Mortgage Servicing Rights, Number of Loans 14,000
Mortgage Servicing Rights, Unpaid Principal $ 1.7