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FINANCING ARRANGEMENTS - Senior Secured Credit Facilities (Details) |  | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2024 USD ($) | Sep. 30, 2025 USD ($) rate shares | Apr. 08, 2025 USD ($) shares | Feb. 11, 2025 USD ($) | Dec. 31, 2024 USD ($) shares | Jun. 01, 2022 shares | May 10, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common shares, outstanding (in shares) | shares |  | 370,473,221 |  |  | 367,843,058 |  |
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 |  |
Remaining quarterly amortization payments | $ 400,000,000 |  |  |  |  |  |
Bausch + Lomb |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common shares, outstanding (in shares) | shares |  |  | 185,468,421 |  |  | 310,449,643 |
Line of Credit | Applicable Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 4.25% |  |  |  |  |
Term Loan B Facility Due February 2027 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  | $ 2,500,000,000
Principal amount outstanding |  | $ 0 |  |  | 2,187,000,000 |  |
Total long-term debt and other |  | 0 |  |  | 2,166,000,000 |  |
February 2027 Term Loan B Facility | Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum percentage, present value of cash flows of new debt |  |  |  |  |  |  | 10.00%
Principal amount outstanding |  |  | $ 2,156,000,000 |  |  |  |
2025 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Dividend and distribution threshold |  | $ 1,600,000,000 |  |  |  |  |
2025 Credit Agreement | SOFR Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 0.00% |  |  |  |  |
Variable rate (as a percent) |  | 1.00% |  |  |  |  |
2025 Credit Agreement | SOFR Rate | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 1.00% |  |  |  |  |
2025 Credit Agreement | Bausch + Lomb | Asset Pledged as Collateral |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Common shares, outstanding (in shares) | shares |  | 185,468,421 |  |  |  |  |
2025 Credit Agreement | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Commitment fee (as a percent) |  | 0.50% |  |  |  |  |
2025 Credit Agreement | Line of Credit | SOFR, EUTIBOT and Term CORRA |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 3.25% |  |  |  |  |
2025 Credit Agreement | Line of Credit | Applicable Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.25% |  |  |  |  |
Number of debt instruments | rate |  | 2 |  |  |  |  |
2025 Credit Agreement | Line of Credit | Applicable Rate | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  | 2.6 |  |  |  |  |
2025 Credit Agreement | Line of Credit | Applicable Rate | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  | 2.1 |  |  |  |  |
Term Loan B Facility Due 2030 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Principal amount |  |  | 3,000,000,000 |  |  |  |
Annual amortization rate (as a percent) |  | 1.00% |  |  |  |  |
Quarterly amortization payments |  | $ 30,000,000 |  |  |  |  |
Remaining quarterly amortization payments |  | $ 150,000,000 |  |  |  |  |
Term Loan B Facility Due 2030 | Federal Funds Effective Rate and Overnight Bank Funding Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 0.00% |  |  |  |  |
Variable rate (as a percent) |  | 0.50% |  |  |  |  |
Term Loan B Facility Due 2030 | SOFR Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 0.00% |  |  |  |  |
Stated interest rate on debt (as a percent) |  | 6.25% |  |  |  |  |
Term Loan B Facility Due 2030 | Alternate Base Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  | 5.25% |  |  |  |  |
Term Loan B Facility Due 2030 | Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Disposition of property threshold |  | $ 100,000,000 |  |  |  |  |
Term Loan B Facility Due 2030 | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Dividend and distribution threshold |  | $ 50,000,000 |  |  |  |  |
Revolving Credit Facility Due 2030 | Federal Funds Effective Rate and Overnight Bank Funding Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 0.00% |  |  |  |  |
Variable rate (as a percent) |  | 0.50% |  |  |  |  |
Revolving Credit Facility Due 2030 | SOFR Rate | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate, floor (as a percent) |  | 0.00% |  |  |  |  |
Revolving Credit Facility Due 2030 | Canadian Overnight Repo Rate Average |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.00% |  |  |  |  |
Revolving Credit Facility Due 2030 | Canadian Overnight Repo Rate Average | One Month Interest Period |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.29547% |  |  |  |  |
Revolving Credit Facility Due 2030 | Canadian Overnight Repo Rate Average | Three Month Interest Period |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.32138% |  |  |  |  |
Revolving Credit Facility Due 2030 | Canadian Overnight Repo Rate Average | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 1.00% |  |  |  |  |
Revolving Credit Facility Due 2030 | Canadian Overnight Repo Rate Average | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 1.00% |  |  |  |  |
Revolving Credit Facility Due 2030 | EURIBOR |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.00% |  |  |  |  |
Revolving Credit Facility Due 2030 | Line of Credit |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Customary fronting fees (as a percent) |  | 0.125% |  |  |  |  |
Revolving Credit Facility Due 2030 | Line of Credit | Applicable Rate |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Variable rate (as a percent) |  | 0.125% |  |  |  |  |
Number of debt instruments | rate |  | 2 |  |  |  |  |
Revolving Credit Facility Due 2030 | Line of Credit | Applicable Rate | Maximum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  | 2.6 |  |  |  |  |
Revolving Credit Facility Due 2030 | Line of Credit | Applicable Rate | Minimum |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  | 2.1 |  |  |  |  |
2032 Senior Secured Notes | Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Percentage of net cash proceeds of pro rata basis with obligations |  | 100.00% |  |  |  |  |
Senior Secured Credit Facilities |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  | 11.00% |  |  |  |  |
4.875% Senior Notes Due June 2028 | Secured Notes |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  | 4.875% |  |  |  |  |
Principal amount outstanding |  | $ 1,600,000,000 |  |  | 1,600,000,000 |  |
Total long-term debt and other |  | 1,592,000,000 |  |  | 1,589,000,000 |  |
Bridge Loan | Senior Secured Bridge Term Loan Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 700,000,000 |  |  |
Revolving Credit Facility | 2027 Revolving Credit Facility |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  | $ 975,000,000
Principal amount outstanding |  | 0 |  |  | 0 |  |
Total long-term debt and other |  | $ 0 |  |  | $ 0 |  |
Revolving Credit Facility | 2025 Credit Agreement |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Fixed charge coverage ratio |  | 4.25 |  |  |  |  |
Secured leverage ratio |  | 5.75 |  |  |  |  |
Minimum liquidity |  | $ 400,000,000 |  |  |  |  |
Revolving Credit Facility | 2025 Credit Agreement | Bausch + Lomb |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Fixed charge coverage ratio |  | 2.00 |  |  |  |  |
Secured leverage ratio |  | 6.50 |  |  |  |  |
Revolving Credit Facility | Revolving Credit Facility Due 2030 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 500,000,000 |  |  |  |
Alternate term, number of days prior to scheduled maturity in excess of principal amount threshold |  | 91 days |  |  |  |  |
Alternate maturity, threshold, aggregate principal amount |  | $ 1,000,000,000 |  |  |  |  |
Principal amount outstanding |  | 0 |  |  |  |  |
Letter of Credit | Revolving Credit Facility Due 2030 |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |
Total long-term debt and other |  | $ 31,000,000 |  |  |  |  |

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