SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Other Income (Expense) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net financing income and investment income (loss)	$ 0	$ 0	$ (15)	$ 13
Equity method income (loss)	2	5	3	9
Change in fair value of assumed obligations	(9)	(6)	(17)	(19)
Other items, net	7	15	21	19
Total other income (expense) – net	$ 1	$ 14	$ (8)	$ 22