SUPPLEMENTAL FINANCIAL INFORMATION - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of period	$ 121	$ 122	$ 129	$ 114
Charged to costs and expenses	3	9	2	16
Write-offs	(1)	(5)	(7)	(6)
Currency translation adjustments	0	2	(1)	4
Balance at end of period	$ 123	$ 128	$ 123	$ 128