ACQUISITIONS AND LICENSING AGREEMENTS - 2023 Acquisition, Narrative (Details) - USD ($)			1 Months Ended		5 Months Ended
	Jun. 30, 2023	Jan. 17, 2023	Jul. 31, 2023	Jan. 31, 2023	Jun. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Asset Acquisition And Business Combination [Line Items]
Goodwill	$ 4,540,000,000				$ 4,540,000,000		$ 4,507,000,000	$ 4,586,000,000
Johnson & Johnson Vision, Blink Product Line Acquisition | Subsequent Event
Asset Acquisition And Business Combination [Line Items]
Payment to acquire business, asset acquisition			$ 107,000,000
XIIDRA® and Certain Other Ophthalmology Assets Acquisition
Asset Acquisition And Business Combination [Line Items]
Expected up-front payment	1,750,000,000
XIIDRA® and Certain Other Ophthalmology Assets Acquisition | Forecast
Asset Acquisition And Business Combination [Line Items]
Potential milestone obligation (up to)						$ 750,000,000
AcuFocus, Inc. Acquisition
Asset Acquisition And Business Combination [Line Items]
Up-front payment		$ 35,000,000
Payment to acquire business				$ 31,000,000
Purchase price, repayment term		18 months
Contingent consideration liability		$ 5,000,000
Inventories, net	4,000,000				4,000,000
Prepaid expenses and other current assets	4,000,000				4,000,000
Intangibles, net	28,000,000				28,000,000
Goodwill	2,000,000				2,000,000
Deferred tax assets, net	2,000,000				2,000,000
Property, plant and equipment, net	1,000,000				1,000,000
Accounts payable	1,000,000				1,000,000
Accrued and other current liabilities	$ 1,000,000				1,000,000
Measurement period adjustments, deferred tax assets					6,000,000
Measurement period adjustments, goodwill					$ 6,000,000