Long-term Incentive Compensation - Schedule of Performance Cash Award Compensation Costs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cash awards – expensed	$ 7	$ 7	$ 11	$ 18
Performance cash awards – capitalized	4	4	7	11
Performance cash awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cash awards – expensed	3	1	5	3
Performance cash awards – capitalized	$ 3	$ 2	$ 5	$ 3