Statements of Consolidated Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Capital Invested	Treasury Stock	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)
Balance (in shares) at Dec. 31, 2020		311,800,000
Balance at Dec. 31, 2020	$ 5,960	$ 4	$ 8,366	$ (3,897)	$ 2,626	$ (1,139)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,318)				(1,318)
Other comprehensive income (loss)	15					15
Stock-settled share-based compensation	169		169
Issuance of common stock (in shares)		11,000,000.0
Issuance of common stock	532		532
Warrants issued	99		99
Stock issued for share-based awards, net of shares withheld for tax (in shares)		1,000,000.0
Stock issued for share-based awards, net of shares withheld for tax	(26)		(72)	83	(37)
Balance (in shares) at Sep. 30, 2021		323,800,000
Balance at Sep. 30, 2021	5,431	$ 4	9,094	(3,814)	1,271	(1,124)
Balance (in shares) at Jun. 30, 2021		323,600,000
Balance at Jun. 30, 2021	4,904	$ 4	9,042	(3,832)	804	(1,114)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	473				473
Other comprehensive income (loss)	(10)					(10)
Stock-settled share-based compensation	69		69
Stock issued for share-based awards, net of shares withheld for tax (in shares)		200,000
Stock issued for share-based awards, net of shares withheld for tax	(5)		(17)	18	(6)
Balance (in shares) at Sep. 30, 2021		323,800,000
Balance at Sep. 30, 2021	$ 5,431	$ 4	9,094	(3,814)	1,271	(1,124)
Balance (in shares) at Dec. 31, 2021	323,810,825	323,800,000
Balance at Dec. 31, 2021	$ 5,029	$ 4	9,156	(3,814)	625	(942)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(106)				(106)
Other comprehensive income (loss)	(22)					(22)
Stock-settled share-based compensation	70		70
Stock issued for share-based awards, net of shares withheld for tax (in shares)		3,100,000
Stock issued for share-based awards, net of shares withheld for tax	$ (73)		(256)	281	(98)
Balance (in shares) at Sep. 30, 2022	326,926,963	326,900,000
Balance at Sep. 30, 2022	$ 4,898	$ 4	8,970	(3,533)	421	(964)
Balance (in shares) at Jun. 30, 2022		326,700,000
Balance at Jun. 30, 2022	3,964	$ 4	8,970	(3,551)	(515)	(944)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	942				942
Other comprehensive income (loss)	(20)					(20)
Stock-settled share-based compensation	15		15
Stock issued for share-based awards, net of shares withheld for tax (in shares)		200,000
Stock issued for share-based awards, net of shares withheld for tax	$ (3)		(15)	18	(6)
Balance (in shares) at Sep. 30, 2022	326,926,963	326,900,000
Balance at Sep. 30, 2022	$ 4,898	$ 4	$ 8,970	$ (3,533)	$ 421	$ (964)