Derivatives (Details 4) (Derivatives not designated as hedging instruments, USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Derivatives not designated as hedging instruments | ||||
Gross notional amount of forward, option and swap contracts not designated as hedging instruments | $ 1,400,000,000 | $ 1,400,000,000 | ||
Gain (Loss) on Derivative Recognized in income | (28,000,000) | 4,000,000 | 3,000,000 | 17,000,000 |
Foreign currency forward/option contracts | Cost of Sales
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Derivatives not designated as hedging instruments | ||||
Gain (Loss) on Derivative Recognized in income | 21,000,000 | 20,000,000 | 31,000,000 | 5,000,000 |
Foreign currency forward contracts | Interest expense
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Derivatives not designated as hedging instruments | ||||
Gain (Loss) on Derivative Recognized in income | (48,000,000) | (15,000,000) | (27,000,000) | 12,000,000 |
Commodity price swap contracts | Cost of Sales
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Derivatives not designated as hedging instruments | ||||
Gain (Loss) on Derivative Recognized in income | $ (1,000,000) | $ (1,000,000) | $ (1,000,000) | $ 0 |