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)	313				446	(133)
Dividends declared on common stock	(285)			(285)
Equity compensation, net of tax	(5)	2	(14)	7
Common stock purchased and retired	(325)	(13)		(312)
Other	(1)			(1)
Ending balance at Sep. 30, 2022	3,855	439	(623)	7,143	(2,089)	(1,015)
Beginning balance at Jun. 30, 2022	4,022	439	(623)	7,251	(2,108)	(937)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(59)				19	(78)
Dividends declared on common stock	(93)			(93)
Equity compensation, net of tax	(15)			(15)
Ending balance at Sep. 30, 2022	3,855	439	(623)	7,143	(2,089)	(1,015)
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)	(266)				(302)	36
Dividends declared on common stock	(155)			(155)
Equity compensation, net of tax	28	1	(4)	31
Ending balance at Sep. 30, 2023	3,126	440	(627)	6,928	(2,640)	(975)
Beginning balance at Jun. 30, 2023	3,315	440	(627)	6,945	(2,422)	(1,021)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(172)				(218)	46
Dividends declared on common stock	(29)			(29)
Equity compensation, net of tax	12			12
Ending balance at Sep. 30, 2023	$ 3,126	$ 440	$ (627)	$ 6,928	$ (2,640)	$ (975)