FINANCING ARRANGEMENTS - Senior Secured Credit Facilities (Details) - USD ($)	Mar. 31, 2024	Sep. 29, 2023	May 10, 2022	Dec. 31, 2023	Jun. 01, 2018
Debt Instrument [Line Items]
Principal amount outstanding	$ 20,717,000,000			$ 21,006,000,000
Amount drawn under credit facility	$ 22,074,000,000			22,388,000,000
Bausch + Lomb
Debt Instrument [Line Items]
Percentage of shares held	88.00%
Bausch + Lomb | XIIDRA Acquisition
Debt Instrument [Line Items]
Cash consideration paid		$ 1,750,000,000
Term Loan B Facility Due June 2025
Debt Instrument [Line Items]
Principal amount					$ 4,565,000,000
Term Loan B Facility Due November 2025
Debt Instrument [Line Items]
Principal amount					1,500,000,000
Term Loan B Facility Due February 2027
Debt Instrument [Line Items]
Principal amount			$ 2,500,000,000
Principal amount outstanding	$ 2,281,000,000			2,312,000,000
Amount drawn under credit facility	2,251,000,000			2,279,000,000
Annual amortization rate (as a percent)			5.00%
Quarterly amortization payments			$ 125,000,000
Remaining quarterly amortization payments	344,000,000
Term Loan B Facility Due February 2027 | Base Rate Factor, SOFR
Debt Instrument [Line Items]
Variable rate (as a percent)			1.00%
Term Loan B Facility Due February 2027 | SOFR Rate
Debt Instrument [Line Items]
Variable rate (as a percent)			5.25%
Variable rate, if rate not ascertainable (as a percent)			1.50%
Term Loan B Facility Due February 2027 | SOFR Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)			0.50%
Term Loan B Facility Due February 2027 | Base Rate
Debt Instrument [Line Items]
Variable rate (as a percent)			4.25%
Term Loan B Facility Due February 2027 | Federal Funds
Debt Instrument [Line Items]
Variable rate (as a percent)			0.50%
Senior Secured Credit Facilities
Debt Instrument [Line Items]
Percentage of net cash proceeds of insurance and condemnation proceeds for property or asset losses			100.00%
Percentage of cash proceeds from incurrence of debt			100.00%
Percentage of annual excess cash flow			50.00%
Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments			100.00%
New Restated Credit Agreement
Debt Instrument [Line Items]
Total leverage ratio			760.00%
Term Loan B Facility Due May 2027 | Bausch + Lomb
Debt Instrument [Line Items]
Principal amount			$ 2,500,000,000
Principal amount outstanding	2,456,000,000			2,462,000,000
Amount drawn under credit facility	2,422,000,000			2,426,000,000
Annual amortization rate (as a percent)			1.00%
Quarterly amortization payments			$ 25,000,000
Remaining quarterly amortization payments	$ 75,000,000
Term			5 years
Stated interest rate on debt (as a percent)	8.68%
Term Loan B Facility Due May 2027 | Base Rate Factor, SOFR | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			0.50%
Term Loan B Facility Due May 2027 | SOFR Rate | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			3.25%
Credit spread adjustment (as a percent)			0.10%
Term Loan B Facility Due May 2027 | Base Rate | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			2.25%
Term Loan B Facility Due May 2027 | Base Rate | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.50%
Term Loan B Due May 2027 And Term Loan B Due September 2028 | Base Rate | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			0.015%
Term Loan B Due May 2027 And Term Loan B Due September 2028 | Base Rate | Maximum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			0.475%
Term Loan B Due May 2027 And Term Loan B Due September 2028 | SOFR, EURIBOR, and SONIA Rates | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.015%
Term Loan B Due May 2027 And Term Loan B Due September 2028 | SOFR, EURIBOR, and SONIA Rates | Maximum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.475%
Term Loan B Facility Due September 2028 | Bausch + Lomb
Debt Instrument [Line Items]
Principal amount outstanding	$ 498,000,000	$ 500,000,000		499,000,000
Amount drawn under credit facility	486,000,000			487,000,000
Annual amortization rate (as a percent)			1.00%
Quarterly amortization payments			$ 5,000,000
Remaining quarterly amortization payments	$ 21,000,000
Term		5 years
Stated interest rate on debt (as a percent)	9.33%
Term Loan B Facility Due September 2028 | SOFR Rate | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)	4.00%
Term Loan B Facility Due September 2028 | SOFR Rate | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)	0.00%
Term Loan B Facility Due September 2028 | Base Rate | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)	3.00%
Term Loan B Facility Due September 2028 | Base Rate | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)	1.00%
Revolving Credit Facility | Revolving Credit Facility Due June 2023
Debt Instrument [Line Items]
Maximum borrowing capacity					$ 1,225,000,000
Revolving Credit Facility | Revolving Credit Facility Due February 2027
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 975,000,000
Alternate term, number of days prior to scheduled maturity in excess of principal amount threshold			91 days
Alternate term, principal amount maturity threshold			$ 1,000,000,000
Principal amount outstanding	$ 0			0
Amount drawn under credit facility	0			0
Threshold for incremental borrowings			$ 1,000,000,000
Incremental borrowings interest rate			40.00%
Interest coverage ratio (not less than)			2.00
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | Secured Notes
Debt Instrument [Line Items]
Secured leverage ratio (not greater than)			3.50
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | Unsecured Notes
Debt Instrument [Line Items]
Total leverage ratio (not greater than)			6.50
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | Minimum
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.25%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | Maximum
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.50%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | SOFR Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)			0.00%
Credit spread adjustment (as a percent)			0.10%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | SOFR Rate | Maximum
Debt Instrument [Line Items]
Credit spread adjustment (as a percent)			0.25%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | EURIBOR | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)			0.00%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)			3.75%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | U.S. Dollar Base Rate and Canadian Dollar Prime Rate | Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)			4.25%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | SOFR, CDOR and EURIBOR Rates | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)			4.75%
Revolving Credit Facility | Revolving Credit Facility Due February 2027 | SOFR, CDOR and EURIBOR Rates | Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)			5.25%
Revolving Credit Facility | Term Loan B Due May 2027 And Term Loan B Due September 2028 | Bausch + Lomb
Debt Instrument [Line Items]
Percentage of net cash proceeds of insurance and condemnation proceeds for property or asset losses			100.00%
Percentage of cash proceeds from incurrence of debt			100.00%
Percentage of annual excess cash flow			50.00%
Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments			100.00%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Bausch + Lomb
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 500,000,000
Principal amount outstanding	300,000,000			275,000,000
Amount drawn under credit facility	300,000,000			$ 275,000,000
Facility fee (as a percent)			0.25%
Term			5 years
Remaining borrowings	$ 174,000,000
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.11%
Stated interest rate on debt (as a percent)	8.17%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Maximum | Bausch + Lomb
Debt Instrument [Line Items]
Commitment fee (as a percent)			0.275%
Stated interest rate on debt (as a percent)	8.18%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | SOFR Rate | Bausch + Lomb
Debt Instrument [Line Items]
Credit spread adjustment (as a percent)			0.10%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Base Rate | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.00%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Base Rate | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			0.75%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Base Rate | Maximum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.75%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | SOFR, EURIBOR, and SONIA Rates | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			0.00%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | SOFR, EURIBOR, and SONIA Rates | Minimum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			1.75%
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | SOFR, EURIBOR, and SONIA Rates | Maximum | Bausch + Lomb
Debt Instrument [Line Items]
Variable rate (as a percent)			2.75%
Letter of Credit | Revolving Credit Facility Due February 2027
Debt Instrument [Line Items]
Amount drawn under credit facility	$ 23,000,000
Letter of Credit | Revolving Credit Facility Due May 2027 | Bausch + Lomb
Debt Instrument [Line Items]
Amount drawn under credit facility	$ 26,000,000