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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Cross-currency Swaps Included in Consolidated Balance Sheets (Details) - Cross-currency swaps - Net Investment Hedging - Designated as Hedging Instrument - Bausch + Lomb - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	$ (58)	$ (84)
Other non-current liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	(64)	(90)
Prepaid expenses and other current assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net fair value	$ 6	$ 6

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