|
Derivatives and Hedging Activities (Details 3) (Not Designated as Hedging Instrument [Member], USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
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Sep. 30, 2013
|
Sep. 30, 2012
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|
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Pretax gains (losses) | $ 26 | $ (14) | $ 109 | $ 31 |
|
Other Expense [Member] | Interest Rate Contract [Member]
|
||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Pretax gains (losses) | 1 | (1) | 1 | (2) |
|
Other Expense [Member] | Foreign exchange contracts [Member]
|
||||
| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Pretax gains (losses) | 25 | (13) | 106 | 31 |
|
Other Income [Member] | Equity-linked contract [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Pretax gains (losses) | $ 0 | $ 0 | $ 2 | $ 2 |