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, 2021		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 loss	(1,377)				(1,377)
Other comprehensive income (loss)	5					5
Stock-settled share-based compensation	38		38
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	(71)		(241)	262	(92)
Balance (in shares) at Mar. 31, 2022		326,700,000
Balance at Mar. 31, 2022	$ 3,624	$ 4	8,953	(3,552)	(844)	(937)
Balance (in shares) at Dec. 31, 2022	326,930,321	326,900,000
Balance at Dec. 31, 2022	$ 6,896	$ 4	8,986	(3,534)	1,265	175
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(194)				(194)
Other comprehensive income (loss)	(14)					(14)
Stock-settled share-based compensation	11		11
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	$ (31)		(71)	91	(51)
Balance (in shares) at Mar. 31, 2023	327,968,615	328,000,000.0
Balance at Mar. 31, 2023	$ 6,668	$ 4	$ 8,926	$ (3,443)	$ 1,020	$ 161