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Share-Based Compensation Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized for grant under Incentive Plans	8,600,000
Number of shares available for grant under Incentive Plans	2,500,000
Employee Share-Based Compensation Expense	$ 35	$ 25	$ 25
Cash Used To Settle Restricted Stock Units Vested	$ 1	$ 2
Share Based Compensation Arrangement By Share Based Payment Award, Performance Target Percentage	100.00%
Share Based Compensation Arrangement By Share Based Payment Award, Performance Target Multiplier Percentage	2
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount	$ 44
Restricted share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value	$ 54.85	$ 30.90	$ 6.54
Total fair value of awards vested during the period	$ 33	$ 18	$ 2
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	665,000	918,000
Performance units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted-average grant date fair value	$ 70.91	$ 23.14	$ 12.62
Total fair value of awards vested during the period	$ 118	$ 0	$ 2
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	1,671,000	2,301,000
Performance units \| Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	1,145
Performance units \| Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	526
Phantom RSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Share-Based Liabilities Paid		$ 14
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	0	17,000
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Minimum \| Performance units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award, Performance Target Percentage	0.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Maximum \| Performance units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award, Performance Target Percentage	200.00%