Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net loss	$ (13)	$ (42)
Other comprehensive (loss) income, net of tax:
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	14	6
Other comprehensive income	14	6
Comprehensive income (loss)	$ 1	$ (36)