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LICENSING AGREEMENTS AND ACQUISITIONS - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 29, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill	$ 11,187		$ 11,547	$ 12,457
XIIDRA® And Certain Other Ophthalmology Assets Acquisition \| Bausch + Lomb
Business Acquisition [Line Items]
Intangible assets, net		$ 1,595
Prepaid expenses and other current assets		167
Accrued and other current liabilities		(1)
Other non-current liabilities		(31)
Total identifiable net assets		1,730
Goodwill		23
Total fair value of consideration transferred		$ 1,753