Consolidated Statements of Equity - USD ($) $ in Millions		Total	Cumulative effect of change in accounting principle [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Accumulated Deficit) [Member]	Retained Earnings (Accumulated Deficit) [Member] Cumulative effect of change in accounting principle [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Non-Controlling Interests [Member]
Balance at Dec. 31, 2018		$ 5,586		$ 2	$ 3,589	$ 2,047		$ (6)	$ (46)
Balance (shares) at Dec. 31, 2018				201,000,000
Issuance of common stock		978			978
Issuance of common stock (shares)				38,000,000
Share-based compensation, net		8			8
Net income (loss)		316				306			10
Other comprehensive income (loss)		3						3
Dividends and dividend equivalents	[1]	(423)				(423)
Distributions to noncontrolling interests		(9)							(9)
Balance at Dec. 31, 2019		6,451	$ (8)	$ 2	4,575	1,922	$ (8)	(3)	(45)
Balance (shares) at Dec. 31, 2019				239,000,000
Share-based compensation, net		10			10
Share-based compensation, net (Shares)				1,000,000
Net income (loss)		(1,444)				(1,440)			(4)
Other comprehensive income (loss)		(1)						(1)
Dividends and dividend equivalents	[1]	(106)				(106)
Distributions to noncontrolling interests		(1)							(1)
Repurchase of common stock		(66)			(66)
Repurchases of common stock (Shares)				(4,000,000)
Balance at Dec. 31, 2020		$ 4,843		$ 2	4,519	376		(4)	(50)
Balance (shares) at Dec. 31, 2020		235,915,749		236,000,000
Share-based compensation, net		$ 14			14
Net income (loss)		(452)				(459)			7
Other comprehensive income (loss)		4						$ 4
Distributions to noncontrolling interests		(6)							(6)
Balance at Dec. 31, 2021		$ 4,403		$ 2	$ 4,533	$ (83)			$ (49)
Balance (shares) at Dec. 31, 2021		236,483,990		236,000,000

[1] Dividends declared per common share were $1.90 and $0.45 for the years ended December 31, 2019 and December 31, 2020, respectively.