CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS Statement - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (198)	$ (155)	$ (75)	$ (24)	$ (353)	$ (99)
Other comprehensive loss:
Foreign currency translation gain (loss), net of tax	61		(39)		(22)	16
Pension and post-retirement (loss) gain, net of tax	(1)		(1)		1	0
Derivative financial instruments unrealized gain (loss), net of tax	2		(11)		(14)	(16)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	62	$ (97)	(51)	$ 51	(35)	0
Total comprehensive loss	(136)		(126)		(388)	(99)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total	$ (141)		$ (128)		$ (397)	$ (101)