Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Credit Extension Commitments Narrative (Details)

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Commitments and Contingencies - Credit Extension Commitments Narrative (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Other Commitments [Line Items]    
Legally binding unfunded commitments syndicated $ 15,200,000,000 $ 21,900,000,000
Carrying amount credit extension commitments syndicated 548,000,000 503,000,000
Deferred revenue 19,000,000 19,000,000
Other liabilities reserve for unfunded lending commitments 529,000,000 484,000,000
Notional amount of credit extension commitments under fair value option 9,000,000,000 13,000,000,000
Unfunded loan commitments
   
Other Commitments [Line Items]    
Fair value carrying amount liabilities $ 322,000,000 $ 354,000,000