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LICENSING AGREEMENTS AND ACQUISITIONS - Pro Forma Information (Details) - XIIDRA Acquisition - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Business Acquisition [Line Items]
Net loss	$ (448)	$ (732)
Bausch + Lomb
Business Acquisition [Line Items]
Revenues	2,302	6,598
Net loss	$ (466)	$ (783)

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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