Condensed Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-controlling Interest
Balance at beginning of period at Dec. 31, 2019	$ 1,818	$ 111	$ 2,343	$ (681)	$ (44)	$ 89
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(231)			(233)		2
Foreign currency translation	(19)				(19)
Stock based compensation expense	2		2
Business divestitures	(88)				3	(91)
Balance at end of period at Mar. 31, 2020	1,482	111	2,345	(914)	(60)	$ 0
Balance at beginning of period at Dec. 31, 2020	1,239	111	2,349	(1,226)	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(104)			(104)
Foreign currency translation	(16)				(16)
Stock based compensation expense	3		3
Balance at end of period at Mar. 31, 2021	$ 1,122	$ 111	$ 2,352	$ (1,330)	$ (11)