SUPPLEMENTAL FINANCIAL INFORMATION - Allowance for Doubtful Accounts (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of period	$ 63	$ 71
Charged to costs and expenses	5	(4)
Write-offs	(1)	(2)
Currency translation adjustments	0	1
Balance at end of period	$ 67	$ 66