Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Economic Hedges (Details)

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Derivatives - Economic Hedges (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Other
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging $ (3) $ (4) $ (7) $ (15)
Interest rate lock commitments
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging 166 228 564 767
Mortgage banking income | Interest rate risk on mortgage banking income
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging (7) [1] 15 [1] 369 [1] (482) [1]
Other income | Credit risk on loans
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging 12 [2] (16) [2] (21) [2] (23) [2]
Other income | Interest rate and foreign currency risk on ALM activities
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging (1,359) [3] 1,195 [3] (2,670) [3] 1,703 [3]
Personnel expense | Price risk on restricted stock awards
        
Derivative Instruments, Gain (Loss) [Line Items]        
Gain (loss) on derivatives not designated as hedging $ 373 [4] $ 192 [4] $ 399 [4] $ 432 [4]
[1] Net gains (losses) on these derivatives are recorded in mortgage banking income as they are used to mitigate the interest rate risk related to MSRs, interest rate lock commitments and mortgage loans held-for-sale, all of which are measured at fair value with changes in fair value recorded in mortgage banking income. The net gains on interest rate lock commitments related to the origination of mortgage loans that are held-for-sale, which are considered derivative instruments, were $166 million and $564 million for the three and nine months ended September 30, 2014 compared to $228 million and $767 million for the same periods in 2013.
[2] Net gains (losses) on these derivatives are recorded in other income.
[3] The balance is primarily related to hedges of debt securities carried at fair value and hedges of foreign currency-denominated debt. Results from these items are recorded in other income. The offsetting mark-to-market, while not included in the table above, is also recorded in other income.
[4] Gains (losses) on these derivatives are recorded in personnel expense.