SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Other Income (Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net financing income and investment income (loss)	$ (1)	$ 26	$ (9)
Equity method income (loss)	8	11	13
Change in fair value of assumed obligations	(32)	(32)	0
Other items, net	80	81	58
Total other income (expense) – net	$ 55	$ 86	$ 62