CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2021	$ 4,158	$ 450	$ (609)	$ 7,734	$ (2,535)	$ (882)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	262				228	34
Dividends declared on common stock	(97)			(97)
Equity compensation, net of tax	0	2	(14)	12
Common stock purchased and retired	(275)	(11)		(264)
Other	(1)			(1)
Ending balance at Mar. 31, 2022	4,047	441	(623)	7,384	(2,307)	(848)
Beginning balance at Dec. 31, 2022	3,519	439	(623)	7,052	(2,338)	(1,011)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(95)				(102)	7
Dividends declared on common stock	(96)			(96)
Equity compensation, net of tax	5		(4)	9
Ending balance at Mar. 31, 2023	$ 3,333	$ 439	$ (627)	$ 6,965	$ (2,440)	$ (1,004)