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 |