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 beginning (in shares) at Dec. 31, 2021		323,800,000
Balance beginning at Dec. 31, 2021	$ 5,029	$ 4	$ 9,156	$ (3,814)	$ 625	$ (942)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,048)				(1,048)
Other comprehensive loss	(2)					(2)
Stock-settled share-based compensation	55		55
Stock issued for share-based awards, net of shares withheld for tax (in shares)		2,900,000
Stock issued for share-based awards, net of shares withheld for tax	(70)		(241)	263	(92)
Balance ending (in shares) at Jun. 30, 2022		326,700,000
Balance ending at Jun. 30, 2022	3,964	$ 4	8,970	(3,551)	(515)	(944)
Balance beginning (in shares) at Mar. 31, 2022		326,700,000
Balance beginning at Mar. 31, 2022	3,624	$ 4	8,953	(3,552)	(844)	(937)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	329				329
Other comprehensive loss	(7)					(7)
Stock-settled share-based compensation	17		17
Stock issued for share-based awards, net of shares withheld for tax	1			1
Balance ending (in shares) at Jun. 30, 2022		326,700,000
Balance ending at Jun. 30, 2022	$ 3,964	$ 4	8,970	(3,551)	(515)	(944)
Balance beginning (in shares) at Dec. 31, 2022	326,930,321	326,900,000
Balance beginning at Dec. 31, 2022	$ 6,896	$ 4	8,986	(3,534)	1,265	175
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	881				881
Other comprehensive loss	(72)					(72)
Stock-settled share-based compensation	32		32
Stock issued for share-based awards, net of shares withheld for tax (in shares)		1,100,000
Stock issued for share-based awards, net of shares withheld for tax	$ (32)		(73)	92	(51)
Balance ending (in shares) at Jun. 30, 2023	327,979,189	328,000,000.0
Balance ending at Jun. 30, 2023	$ 7,705	$ 4	8,945	(3,442)	2,095	103
Balance beginning (in shares) at Mar. 31, 2023		328,000,000.0
Balance beginning at Mar. 31, 2023	6,668	$ 4	8,926	(3,443)	1,020	161
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	1,075				1,075
Other comprehensive loss	(58)					(58)
Stock-settled share-based compensation	21		21
Stock issued for share-based awards, net of shares withheld for tax	$ (1)		(2)	1	0
Balance ending (in shares) at Jun. 30, 2023	327,979,189	328,000,000.0
Balance ending at Jun. 30, 2023	$ 7,705	$ 4	$ 8,945	$ (3,442)	$ 2,095	$ 103