LONG-TERM INCENTIVE COMPENSATION - Schedule of Performance Cash Award Compensation Costs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cash awards – expensed	$ 7	$ 6	$ 18	$ 24
Performance cash awards – capitalized	4	4	11	15
Performance cash awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance cash awards – expensed	3	2	8	5
Performance cash awards – capitalized	$ 2	$ 2	$ 7	$ 5