Derivative Instruments - Financial Information Related to Hedging of Net Assets Included in Consolidated Statements of Operations (Details) € in Millions, ¥ in Millions, £ in Millions, SGD in Millions, SEK in Millions, MYR in Millions, CZK in Millions, CAD in Millions, BRL in Millions, AUD in Millions, $ in Millions	Dec. 31, 2017 SEK	Dec. 31, 2017 USD ($)	Dec. 31, 2017 CAD	Dec. 31, 2017 BRL	Dec. 31, 2017 AUD	Dec. 31, 2017 JPY (¥)	Dec. 31, 2017 GBP (£)	Dec. 31, 2017 CZK	Dec. 31, 2017 EUR (€)	Dec. 31, 2017 SGD	Dec. 31, 2017 MYR	Dec. 31, 2016 SEK	Dec. 31, 2016 USD ($)	Dec. 31, 2016 CAD	Dec. 31, 2016 BRL	Dec. 31, 2016 AUD	Dec. 31, 2016 JPY (¥)	Dec. 31, 2016 GBP (£)	Dec. 31, 2016 CZK	Dec. 31, 2016 EUR (€)	Dec. 31, 2016 SGD	Dec. 31, 2016 MYR
Derivative [Line Items]
Net fair value (liability) asset of outstanding contracts (in millions) | $		$ (2)											$ 11
US dollar | Foreign Exchange Forward
Derivative [Line Items]
Notional balance of outstanding contracts (in millions):	SEK 13		CAD 12	BRL 34	AUD 55	¥ 151	£ 13	CZK 361	€ 108	SGD 4	MYR 0	SEK 7		CAD 13	BRL 56	AUD 50	¥ 48	£ 3	CZK 147	€ 148	SGD 15	MYR 16
Euro | Foreign Exchange Forward
Derivative [Line Items]
Notional balance of outstanding contracts (in millions): | £							£ 5											£ 8