Earnings Per Share - Schedule of Computation of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Basic:
Net income	$ 528	$ 296	$ 463
Weighted-average shares outstanding (in shares)	51,494,957	51,378,051	52,207,903
Basic earnings per share (in USD per share)	$ 10.25	$ 5.75	$ 8.86
Diluted:
Net income	$ 528	$ 296	$ 463
Weighted-average shares outstanding (in shares)	51,494,957	51,378,051	52,207,903
Diluted Shares (in shares)	384,752	332,911	350,809
Diluted weighted-average shares outstanding (in shares)	51,879,709	51,710,962	52,558,712
Diluted earnings per share (in USD per share)	$ 10.18	$ 5.72	$ 8.80