SUPPLEMENTAL FINANCIAL INFORMATION - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at end of period	$ 129	$ 114	$ 122	$ 125
Charged to costs and expenses	16	7	(2)
Write-offs	(9)	(7)	(5)
Currency translation adjustments	8	(8)	(9)
Acquisition	$ 0	$ 0	$ 13