Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained (Deficit) [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive (Loss) [Member]	Total
Balance at Dec. 31, 2018	$ 1	$ 1,721	$ (498)	$ (300)	$ (232)	$ 692
Balance (shares) at Dec. 31, 2018	105,000,000			19,000,000
Net income			18			18
Foreign currency translation adjustments					3	3
Hedge accounting adjustments					(2)	(2)
Shares withheld for taxes		(6)				(6)
Equity-based compensation expense		4				4
Dividends declared on preferred stock			(6)			(6)
Purchase of common stock				$ (25)		$ (25)
Purchase of common stock, shares				(2,000,000)		(1,758,537)
Balance at Mar. 31, 2019	$ 1	1,719	(486)	$ (325)	(231)	$ 678
Balance (shares) at Mar. 31, 2019	105,000,000			21,000,000
Balance at Dec. 31, 2019	$ 1	1,731	(483)	$ (375)	(232)	642
Balance (shares) at Dec. 31, 2019	106,000,000			24,000,000
Net income			9			9
Foreign currency translation adjustments					(21)	(21)
Hedge accounting adjustments					(6)	(6)
Shares withheld for taxes		(3)				(3)
Equity-based compensation expense		2				2
Dividends declared on preferred stock			(6)			(6)
Purchase of common stock
Purchase of common stock, shares
Balance at Mar. 31, 2020	$ 1	$ 1,730	$ (480)	$ (375)	$ (259)	$ 617
Balance (shares) at Mar. 31, 2020	106,000,000			24,000,000		81,993,613