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Share-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense for all nonvested awards, adjusted for estimated forfeitures	$ 32		$ 32
Weighted average period of recognition for unrecognized compensation expense			1 year 10 months 24 days
Share-based compensation expense			$ 17	$ 15
Restricted share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 7	$ 4	$ 17	$ 15
Restricted Share Units (RSUs), Time-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
Restricted Share Units (RSUs), Performance-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			818,208
Restricted Share Units (RSUs), Performance-Based Awards | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			409,104
Award performance period			3 years
Granted (in dollars per share)			$ 21.70
Restricted Share Units (RSUs), Performance-Based Awards | Share-based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			409,104
Management | Restricted Share Units (RSUs), Time-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			818,203
Director | Restricted Share Units (RSUs), Time-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)			75,748

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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