Condensed Consolidated Statements Of Changes In Equity (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Deficit)	Treasury Stock, Common	Accumulated Other Comprehensive Income (Loss)
Balance at Dec. 31, 2022	$ 3,489	$ 1	$ 2,022	$ 4,276	$ (2,211)	$ (599)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	407			407
Dividends declared	(149)			(149)
Stock-based compensation	14		16	(2)
Other comprehensive income (loss), net of tax	9					9
Treasury stock activity	(37)				(37)
Balance at Sep. 30, 2023	3,733	1	2,038	4,532	(2,248)	(590)
Balance at Jun. 30, 2023	3,646	1	2,030	4,434	(2,227)	(592)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	148			148
Dividends declared	(50)			(50)
Stock-based compensation	8		8
Other comprehensive income (loss), net of tax	2					2
Treasury stock activity	(21)				(21)
Balance at Sep. 30, 2023	3,733	1	2,038	4,532	(2,248)	(590)
Balance at Dec. 31, 2023	4,093	1	2,045	4,755	(2,286)	(422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	427			427
Dividends declared	(154)			(154)
Stock-based compensation	(10)		(8)	(2)
Other comprehensive income (loss), net of tax	10					10
Treasury stock activity	(163)				(163)
Balance at Sep. 30, 2024	4,203	1	2,037	5,026	(2,449)	(412)
Balance at Jun. 30, 2024	4,178	1	2,029	4,977	(2,414)	(415)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	101			101
Dividends declared	(52)			(52)
Stock-based compensation	8		8
Other comprehensive income (loss), net of tax	3					3
Treasury stock activity	(35)				(35)
Balance at Sep. 30, 2024	$ 4,203	$ 1	$ 2,037	$ 5,026	$ (2,449)	$ (412)