Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (10)	$ (7)
Other comprehensive loss:
Foreign currency translation adjustments	(6)	4
Derivatives:
Unrealized loss on derivatives, before tax	(4)	0
Unrealized loss on derivatives, tax portion	1	0
Unrealized loss on derivatives, net of tax	(3)	0
Defined benefit plans:
Defined benefit plan adjustment, before tax	1	0
Defined benefit plan adjustment, tax portion	0	0
Defined benefit plan adjustment, net of tax	1	0
Other comprehensive (loss) income	(8)	4
Comprehensive loss	$ (18)	$ (3)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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