Consolidated Statement of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME (LOSS)	$ 19	$ (46)	$ (2)	$ (35)
Other comprehensive (loss) income, net of tax:
Currency translation adjustments	(12)	(5)	(19)	9
Pension and other postretirement benefit plan obligation activity, net of tax	3	(3)	3	(9)
Other comprehensive loss, net of tax	(9)	(8)	(16)
COMPREHENSIVE INCOME (LOSS), NET OF TAX	$ 10	$ (54)	$ (18)	$ (35)