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LICENSING AGREEMENTS AND ACQUISITIONS - Narrative (Details) - USD ($) $ in Millions				1 Months Ended	9 Months Ended
	Sep. 29, 2023	Jul. 06, 2023	Jan. 17, 2023	Jan. 31, 2023	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill					$ 11,127	$ 11,183	$ 11,547
Bausch + Lomb | Johnson & Johnson Vision, Blink Product Line Acquisition
Business Acquisition [Line Items]
Cash consideration paid, asset acquisition		$ 107
Bausch + Lomb | XIIDRA Acquisition
Business Acquisition [Line Items]
Cash consideration paid	$ 1,750
Recognized contingent consideration liability					$ 34
Fair value, consideration transferred	1,753
Identifiable intangible assets	1,600
Other assets	130
Goodwill	$ 23
Bausch + Lomb | AcuFocus, Inc. Acquisition
Business Acquisition [Line Items]
Cash consideration paid				$ 31
Consideration transferred			$ 35
Purchase price, repayment term			18 months
Contingent consideration, liability			$ 5

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