XML 110 R85.htm IDEA: XBRL DOCUMENT v2.4.0.8
Financial Instruments (Free-standing derivatives) (Details) (Free Standing Derivatives [Member], USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Free standing derivatives    
Gain (loss) on derivatives $ (960) $ (528)
Interest Rate Contract [Member]
   
Free standing derivatives    
Gain (loss) on derivatives (90) (217)
Foreign Exchange Contract [Member]
   
Free standing derivatives    
Gain (loss) on derivatives (1,011) (472)
Other Contract [Member]
   
Free standing derivatives    
Gain (loss) on derivatives $ 141 $ 161