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Fair Value Measurements and Financial Instruments (Details 5) (Bonds Issued By Venezuelan Government [Member], USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
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Mar. 31, 2014
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Bonds Issued By Venezuelan Government [Member]
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| Venezuelan Investments [Roll Forward] | ||
| Beginning balance | $ 399 | $ 685 |
| Unrealized gain (loss) on investment | (1) | (298) |
| Purchases and sales during the period | 33 | 54 |
| Ending balance | $ 431 | $ 441 |