Condensed Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income
Beginning balance at Dec. 31, 2023	$ 2,219	$ 1	$ (604)	$ 1,329	$ 1,419	$ 74
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	343				343
Share-based compensation	19			19
Repurchases of common stock	(135)		(135)
Shares issued for warrants	37			37
Shares issued for Aera Merger	1,135			1,135
Cash dividend	(79)				(79)
Shares cancelled for taxes	(42)			(42)
Other comprehensive income, net of tax	3					3
Other	1			1
Ending balance at Sep. 30, 2024	3,501	1	(739)	2,479	1,683	77
Beginning balance at Jun. 30, 2024	2,052	1	(697)	1,302	1,374	72
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	345				345
Share-based compensation	5			5
Repurchases of common stock	(42)		(42)
Shares issued for warrants	37			37
Shares issued for Aera Merger	1,135			1,135
Cash dividend	(36)				(36)
Other comprehensive income, net of tax	5					5
Ending balance at Sep. 30, 2024	3,501	1	(739)	2,479	1,683	77
Beginning balance at Dec. 31, 2024	3,538	1	(796)	2,578	1,680	75
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	351				351
Share-based compensation	20			20
Repurchases of common stock	(354)		(126)	(228)
Issuance of common stock	6			6
Cash dividend	(104)				(104)
Shares cancelled for taxes	(12)			(12)
Other comprehensive income, net of tax	(3)					(3)
Other	1			1
Ending balance at Sep. 30, 2025	3,443	1	(922)	2,365	1,927	72
Beginning balance at Jun. 30, 2025	3,407	1	(922)	2,359	1,897	72
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	64				64
Share-based compensation	6			6
Cash dividend	(33)				(33)
Shares cancelled for taxes	(1)			(1)
Other	0			1	(1)
Ending balance at Sep. 30, 2025	$ 3,443	$ 1	$ (922)	$ 2,365	$ 1,927	$ 72