Financial Instruments - Summary of Derivative Instruments Gain (Losses) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Accumulated Other Comprehensive Loss, Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax	$ 1,000,000	$ 1,000,000	$ 2,000,000
Currency (losses) gains, net	1,000,000	(4,000,000)	1,000,000
Foreign exchange contracts - forwards [Member] | Not Designated as Hedging Instrument [Member] | Other expense - Currency gains (losses), net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Loss) Recognized in Income	1,000,000	3,000,000	(2,000,000)
Cash Flow Hedging [Member] | Foreign exchange contracts - forwards [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Gain (Loss) Recognized in OCI	(2,000,000)	(4,000,000)	0
Cash Flow Hedging [Member] | Foreign exchange contracts - forwards [Member] | Cost of sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Net Hedge Ineffectiveness Gain (Loss)	0
Gain (Loss) Reclassified from AOCI to Income	$ (2,000,000)	$ (5,000,000)	$ 3,000,000