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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 | Sep. 30, 2024 | Dec. 31, 2023
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net fair value | $ (94) | $ (84)
Other non-current liabilities |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net fair value | (97) | (90)
Prepaid expenses and other current assets |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Net fair value | $ 3 | $ 6

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