CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Millions	Total	Common Stock Par Value [Member]	Capital in Excess of Par Value [Member]	Retained Earnings/(Accumulated Deficit) [Member]	Accumulated Other Comprehensive Loss ("AOCI") [Member]	Treasury Stock [Member]	Stockholder's Equity [Member]	Noncontrolling Interest ("NCI") [Member]
Beginning Balance at Dec. 31, 2017	$ 1,790	$ 293	$ 1,663	$ (48)	$ (50)	$ (96)	$ 1,762	$ 28
Adoption of ASC 606 at Dec. 31, 2017	20			20			20
Beginning Balance at Dec. 31, 2017	1,810	293	1,663	(28)	(50)	(96)	1,782	28
Net (loss) income	34			35			35	(1)
Other comprehensive loss, net of tax	(1)				(1)		(1)
Common stock issued		3	(3)
Stock-based compensation charges	3		3				3
Purchase of treasury shares	(7)					(7)	(7)
Retirement of common stock		(1)	(6)			7
Ending Balance at Mar. 31, 2018	1,839	295	1,657	7	(51)	(96)	1,812	27
Beginning Balance at Dec. 31, 2018	823	183	3,539	(2,719)	(107)	(96)	800	23
Net (loss) income	(57)			(56)			(56)	(1)
Other comprehensive loss, net of tax	(58)				(58)		(58)
Common stock issued		2	(2)
Stock-based compensation charges	6		6				6
Accretion and dividends on redeemable preferred stock	(14)			(14)			(14)
Conversion of noncontrolling interest	(24)		2				2	(26)
Purchase of treasury shares	(4)					(4)	(4)
Retirement of common stock		(1)	(3)			4
Other	3		3				3
Ending Balance at Mar. 31, 2019	$ 675	$ 184	$ 3,545	$ (2,789)	$ (165)	$ (96)	$ 679	$ (4)