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ACQUISITIONS AND LICENSING AGREEMENTS - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Sep. 29, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 11,087	$ 11,183		$ 11,547
Elios Vision \| Bausch + Lomb
Business Acquisition [Line Items]
Intangible assets, net	177
Trade receivables, net	2
Inventories, net	4
Property, plant and equipment, net	7
Other non-current assets	1
Accrued and other current liabilities	(7)
Other non-current liabilities	(23)
Total identifiable net assets	161
Goodwill	27
Total fair value of consideration transferred	$ 188
XIIDRA® and Certain Other Ophthalmology Assets Acquisition \| Bausch + Lomb
Business Acquisition [Line Items]
Intangible assets, net			$ 1,600
Prepaid expenses and other current assets			162
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