Derivative Instruments - Balance Sheet Classification (Details) - USD ($) $ in Millions	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Derivatives, Fair Value
Total asset derivatives	$ 7	$ 15	$ 15
Total liability derivatives	3	5	6
Derivatives not designated as hedging instruments | Foreign exchange derivative contracts | Other assets
Derivatives, Fair Value
Total asset derivatives	5	9	15
Derivatives not designated as hedging instruments | Foreign exchange derivative contracts | Other accrued liabilities or other liabilities (current)
Derivatives, Fair Value
Total liability derivatives	2	5	2
Derivatives designated as hedging instruments | Commodity futures contracts | Other assets
Derivatives, Fair Value
Total asset derivatives	2	$ 6
Derivatives designated as hedging instruments | Commodity futures contracts | Other accrued liabilities or other liabilities (current)
Derivatives, Fair Value
Total liability derivatives	$ 1		$ 4