Consolidated Statements of Comprehensive Loss - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net loss	$ (522,000,000)	$ (294,000,000)	$ (344,000,000)
Other comprehensive (loss) income, before tax:
Change in cumulative translation adjustment	(24,000,000)	(9,000,000)	30,000,000
Net change in cash flow hedges	0
Net change in cash flow hedges		1,000,000	(9,000,000)
Pension liability	(3,000,000)	(4,000,000)	0
Other comprehensive (loss) income, before tax	(27,000,000)	(12,000,000)	21,000,000
Income tax benefit	2,000,000	1,000,000	0
Other comprehensive (loss) income, net of tax	(25,000,000)	(10,000,000)	21,000,000
Comprehensive loss	(547,000,000)	(304,000,000)	(323,000,000)
Less: Comprehensive loss attributable to non-controlling interest	(22,000,000)	(19,000,000)	(127,000,000)
Comprehensive loss attributable to controlling interest	$ (525,000,000)	$ (285,000,000)	$ (196,000,000)