|
Derivatives and Hedging Activities (Details 2) (Not Designated as Hedging Instrument [Member], USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Pretax gains (losses) | $ (45) | $ 134 |
| Other Expense [Member] | Foreign exchange contracts [Member] | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Pretax gains (losses) | $ (45) | $ 134 |