Consolidated Statements Of Equity (Deficit) - USD ($) $ in Millions	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Common Stock [Member]	Total
Balance at beginning at Dec. 31, 2019	$ 27	$ 4,815	$ (8,573)	$ (650)	$ (13)	$ (4,394)
Balance (in shares) at Dec. 31, 2019	106,025,000				(894,000)
Stock plans, net		2			$ (1)	1
Stock plans, net (in shares)					(338,000)
Net Income (loss)			(402)			(402)
Other comprehensive (loss) income, net of tax				(105)		(105)
Balance at ending at Dec. 31, 2020	$ 27	4,817	(8,975)	(755)	$ (14)	(4,900)
Balance (in shares) at Dec. 31, 2020	106,025,000				(1,232,000)
Stock plans, net		1			$ (1)
Stock plans, net (in shares)					(122,000)
Net Income (loss)			4,541			4,541
Other comprehensive (loss) income, net of tax				359		359
Cancellation of Predecessor equity	$ (27)	(4,818)	4,434	396	$ 15
Cancellation of Predecessor equity (in shares)	(106,025,000)				1,354,000
Issuance of Successor common stock	$ 2	4,106				$ 4,108
Issuance of Successor common stock (in shares)	244,401,000					244,401,000
Balance at ending at Apr. 30, 2021	$ 2	4,106				$ 4,108
Balance (in shares) at Apr. 30, 2021	244,401,000
Stock plans, net		18				18
Stock plans, net (in shares)	15,000
Net Income (loss)			414			414
Other comprehensive (loss) income, net of tax				60		60
Balance at ending at Dec. 31, 2021	$ 2	4,124	414	60		4,600
Balance (in shares) at Dec. 31, 2021	244,416,000
Stock plans, net		74				74
Stock plans, net (in shares)	605,000
Net Income (loss)			441			441
Other comprehensive (loss) income, net of tax				19		19
Balance at ending at Dec. 31, 2022	$ 2	$ 4,198	$ 855	$ 79		$ 5,134
Balance (in shares) at Dec. 31, 2022	245,021,000