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FINANCING ARRANGEMENTS - June 2025 Refinancing Activity (Details) - USD ($)			9 Months Ended
	Jun. 26, 2025	Nov. 01, 2024	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Remaining quarterly amortization payments		$ 400,000,000
Principal amount outstanding			$ 20,529,000,000	$ 20,480,000,000
Total long-term debt and other			21,042,000,000	21,616,000,000
Term Loan B Due January 2031 | Bausch + Lomb
Debt Instrument [Line Items]
Remaining quarterly amortization payments	$ 800,000,000
Principal amount outstanding	$ 2,325,000,000
Remaining borrowings			762,000,000
Term Loan B Due January 2031 | Bausch + Lomb | Line of Credit
Debt Instrument [Line Items]
Principal amount			2,319,000,000
Term Loan B Due January 2031 | Bausch + Lomb | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Total long-term debt and other			38,000,000
Term Loan Due January 2031 And Term Loan Due September 2028 | Revolving Credit Facility
Debt Instrument [Line Items]
Percentage of cash proceeds from incurrence of debt (as a percent)	100.00%
Term Loan Due January 2031 And Term Loan Due September 2028 | Secured Notes | Revolving Credit Facility
Debt Instrument [Line Items]
Percentage of cash proceeds from incurrence of debt (as a percent)	100.00%
Percentage of annual excess cash flow (as a percent)	50.00%
Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments (as a percent)	100.00%
Term Loan Due January 2031 And Term Loan Due September 2028 | Bausch + Lomb | Line of Credit
Debt Instrument [Line Items]
Principal amount			490,000,000
Revolving Credit Facility Due June 2030 | Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount outstanding			0
Commitment fee (as a percent)	0.25%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | SOFR, EUTIBOT and Term CORRA
Debt Instrument [Line Items]
Variable rate, floor (as a percent)	0.00%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | Base Rate
Debt Instrument [Line Items]
Variable rate, floor (as a percent)	1.00%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | Base Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	0.75%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | Base Rate | Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)	1.75%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | SOFR, EURIBOR, and SONIA Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	1.75%
Revolving Credit Facility Due June 2030 | Revolving Credit Facility | SOFR, EURIBOR, and SONIA Rate | Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)	2.75%
Revolving Credit Facility Due June 2030 | Bausch + Lomb | Revolving Credit Facility
Debt Instrument [Line Items]
Principal amount outstanding			0	0
Total long-term debt and other			0	$ 0
Term Loan Due September 2028
Debt Instrument [Line Items]
Annual amortization rate (as a percent)	1.00%
Quarterly amortization payments	$ 5,000,000
Debt instrument remaining quarterly amortization			14,000,000
Term Loan Due September 2028 | Base Rate
Debt Instrument [Line Items]
Variable rate (as a percent)	3.00%
Term Loan Due September 2028 | Base Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	1.00%
Term Loan Due September 2028 | SOFR Rate
Debt Instrument [Line Items]
Variable rate (as a percent)	4.00%
Term Loan Due September 2028 | SOFR Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	0.00%
Term Loan Due January 2031
Debt Instrument [Line Items]
Annual amortization rate (as a percent)	1.00%
Quarterly amortization payments	$ 23,000,000
Debt instrument remaining quarterly amortization			$ 122,000,000
Term Loan Due January 2031 | Base Rate
Debt Instrument [Line Items]
Variable rate (as a percent)	3.25%
Term Loan Due January 2031 | Base Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	1.00%
Term Loan Due January 2031 | SOFR Rate
Debt Instrument [Line Items]
Variable rate (as a percent)	4.25%
Term Loan Due January 2031 | SOFR Rate | Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)	0.00%

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-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

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