Other Financial Data - Schedule of Other Income (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other (Expense) Income
Foreign currency remeasurement gain (loss)	$ (2,000,000)	$ 0	$ (12,000,000)	$ (17,000,000)
Gain (loss) on disposal of business	0	6,000,000	(2,000,000)	41,000,000
Equity earnings	3,000,000	1,000,000	9,000,000	3,000,000
Loss on financial instruments	(6,000,000)	(8,000,000)	(10,000,000)	(10,000,000)
Total	$ (5,000,000)	$ (1,000,000)	$ (15,000,000)	$ 17,000,000