Derivative Instruments - Balance Sheet Classification (Details) € in Millions, $ in Millions	Sep. 30, 2017 EUR (€)	Sep. 30, 2017 USD ($)	Mar. 31, 2017	Dec. 31, 2016 USD ($)	Nov. 30, 2016	Sep. 30, 2016 USD ($)
Derivatives, Fair Value
Total asset derivatives		$ 5		$ 15		$ 10
Total liability derivatives		$ 9		5		2
Senior Notes 3.125%, due 2024 (725 million EUR at September 30,2017 and 500 million EUR at December 31,2016)
Derivatives, Fair Value
Amount Hedged | €	€ 400
Receive Rate	3.125%	3.125%	3.125%		3.125%
Average Spread	2.50%	2.50%
Derivatives not designated as hedging instruments | Foreign exchange contracts | Receivables.
Derivatives, Fair Value
Total asset derivatives		$ 2		9		8
Derivatives not designated as hedging instruments | Foreign exchange contracts | Other liabilities (current)
Derivatives, Fair Value
Total liability derivatives		3		5		2
Derivatives designated as hedging instruments | Commodity futures contracts | Other assets.
Derivatives, Fair Value
Total asset derivatives		1		$ 6		$ 2
Derivatives designated as hedging instruments | Commodity futures contracts | Other liabilities (current)
Derivatives, Fair Value
Total liability derivatives		1
Derivatives designated as hedging instruments | Interest Rate Swaps | Receivables.
Derivatives, Fair Value
Total asset derivatives		2
Derivatives designated as hedging instruments | Interest Rate Swaps | Other liabilities (noncurrent)
Derivatives, Fair Value
Total liability derivatives		$ 5