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FAIR VALUE MEASUREMENTS - Cross-currency Swaps Included in Consolidated Balance Sheets (Details) - Cross-currency swaps - Net Investment Hedging - Designated as Hedging Instrument - Bausch + Lomb - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	$ (154)	$ (34)
Other non-current liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	(156)	(40)
Prepaid expenses and other current assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	$ 2	$ 6

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