Earnings Per Share (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Earnings Per Share Reconciliation [Abstract]
Net income | $	$ 648	$ 770	$ 818
Basic weighted-average common shares outstanding	115	115	119
Dilutive effect of non-vested RSUs, contingent PSUs, and other	0	1	1
Diluted weighted-average common shares outstanding	115	116	119
Basic net income per common share | $ / shares	$ 5.65	$ 6.71	$ 6.89
Diluted net income per common share | $ / shares	$ 5.64	$ 6.67	$ 6.86
Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Multiplier applied to PSU awards at settlement	0.28
Minimum | Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier applied to PSU awards at settlement	0
Maximum | Performance Shares (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Multiplier applied to PSU awards at settlement	2