Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total stockholders’ equity	$ 4,282	$ 1	$ 1,087	$ 4,302	$ (1,108)
Shares outstanding, beginning balance (in shares) at Dec. 31, 2023		64,599
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued / (surrendered) under incentive compensation plan (in shares)		657
Shares issued / (surrendered) under incentive compensation plan	(27)		(44)		17
Share-based compensation	8		8
Repurchase of common stock (in shares)		537
Net income	181			181
Shares outstanding, ending balance (in shares) at Mar. 31, 2024		64,719
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Repurchased During Period, Value	39				39
Total stockholders’ equity	4,405	$ 1	1,051	4,483	(1,130)
Total stockholders’ equity	4,813	$ 1	1,077	4,971	(1,236)
Shares outstanding, beginning balance (in shares) at Dec. 31, 2024		63,581
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued / (surrendered) under incentive compensation plan (in shares)		402
Shares issued / (surrendered) under incentive compensation plan	(25)		(39)		14
Share-based compensation	14		14
Net income	88			88
Shares outstanding, ending balance (in shares) at Mar. 31, 2025		63,983
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Total stockholders’ equity	$ 4,890	$ 1	$ 1,052	$ 5,059	$ (1,222)