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LICENSING AGREEMENTS AND ACQUISITIONS (Details) $ in Millions		1 Months Ended			9 Months Ended	12 Months Ended
	Sep. 09, 2025 USD ($)	Sep. 30, 2025 USD ($)	Jan. 31, 2025 USD ($) therapy	Dec. 31, 2024 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Business Combination [Line Items]
Current portion included in Accrued and other current liabilities		$ 39			$ 39		$ 37
Goodwill		11,287		$ 11,087	11,287	$ 11,087		$ 11,183
Whitecap Biosciences Acquisition | Bausch + Lomb
Business Combination [Line Items]
Payments to acquire businesses, gross			$ 28		28
Number of innovative therapies | therapy			2
Elios Vision | Bausch + Lomb
Business Combination [Line Items]
Payments to acquire businesses, gross				99
Business combination, contingent consideration, liability				89		89
Current portion included in Accrued and other current liabilities				11		11
Business combination, consideration transferred						188
Business combination, recognized asset acquired, identifiable intangible asset, excluding goodwill				177		177
Business combination, recognized asset acquired, other asset, current				16		16
Goodwill				$ 27		$ 27
DURECT Corporation
Business Combination [Line Items]
Asset acquisition, consideration transferred		84
Payments to acquire productive assets		64
Asset acquisition, recognized liabilities assumed		11			11
Asset acquisition, consideration transferred, transaction cost		9
Asset, contingent consideration		350			$ 350
IPRD expensed		81
Asset acquisition, recognized assets acquired		$ 3
Surgical Manufacturing Facility | Bausch + Lomb
Business Combination [Line Items]
Payments to acquire productive assets	$ 75

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