Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement Of Income And Comprehensive Income [Abstract]
NET LOSS	$ (18)	$ (25)
Other comprehensive (loss) income, net of tax:
Currency translation adjustments	3	13
Pension and other postretirement benefit plan obligation activity, net of tax	(1)
Other comprehensive income, net of tax	2	13
COMPREHENSIVE LOSS, NET OF TAX	$ (16)	$ (12)