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Share-Based Compensation - Unrecognized Compensation Cost and Period for Recognition (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
		Nov. 30, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Options and SARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested awards	[1]		$ 38
Weighted average recognition period (years)	[1]		1 year 5 months 26 days
Granted (in shares)			426,623
Premium-priced stock option awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		1,750,000		1,750,000
Restricted Common Shares And Restricted Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested awards	[1]		$ 70
Weighted average recognition period (years)	[1]		1 year 1 month 17 days
Granted (in shares)			824,770	982,339	825,191
Time-vested restricted shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		300,000
Performance Common Shares and Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested awards			$ 11
Weighted average recognition period (years)			4 months 13 days
Granted (in shares)			485,175	492,634	568,576
[1] Includes awards granted in connection with 1.75 million premium-priced stock options and 0.3 million time-vested restricted shares granted in November 2024.

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