Quarterly report pursuant to Section 13 or 15(d)

Derivatives - Economic Hedges (Details)

Derivatives - Economic Hedges (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Derivative [Line Items]    
Gain (Loss) On Derivative Instrument, Interest Rate Lock Commitments On Loans Held For Sale $ 407 $ 547
Summary of Derivative Instruments by Risk Exposure [Abstract]    
Price risk on mortgage banking production income 422 [1],[2] 589 [1],[2]
Market-related Risk on Mortgage Banking Servicing Income (136) [2] (203) [2]
Credit risk on loans 3 [3] (57) [3]
Interest rate and foreign currency risk on long-term debt and other foreign exchange transactions (605) [4] 464 [4]
Price Risk on Restricted Stock Awards 116 [5] 473 [5]
Other (4) 6
Gain Loss On Economic Hedges $ (204) $ 1,272
[1] Includes net gains on interest rate lock commitments related to the origination of mortgage loans that are held-for-sale, which are considered derivative instruments, of $407 million and $547 million for the three months ended March 31, 2013 and 2012.
[2] Net gains on these derivatives are recorded in mortgage banking income.
[3] Net gains (losses) on these derivatives are recorded in other loss.
[4] The majority of the balance is related to the revaluation of derivatives used to mitigate risk related to foreign currency-denominated debt which is recorded in other loss. The offsetting revaluation of the foreign currency-denominated debt, while not included in the table above, is also recorded in other loss.
[5] Gains (losses) on these derivatives are recorded in personnel expense.