Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (137)	$ (158)	$ 32
Other comprehensive (loss) income, net of tax:
Unrealized gain (loss) on anticipated sales hedging transactions	7	(6)	7
Unrealized (loss) on forward interest rate swaps hedging transactions	0	(7)	(8)
Foreign currency translation adjustment	(4)	(26)	1
Comprehensive (loss) income	$ (134)	$ (197)	$ 32