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FINANCING ARRANGEMENTS - Senior Secured Credit Facilities (Details) |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 26, 2025 USD ($) | Apr. 08, 2025 USD ($) shares | Nov. 01, 2024 USD ($) | May 10, 2022 USD ($) | Apr. 30, 2025 USD ($) | Jun. 30, 2025 USD ($) rate shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) rate shares | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) shares | Sep. 29, 2023 USD ($) | Jun. 01, 2022 shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | $ 21,150,000,000 |  | $ 21,150,000,000 |  | $ 20,480,000,000 |  |
Remaining quarterly amortization payments |  |  | $ 400,000,000 |  |  |  |  |  |  |  |  |
Total long-term debt and other |  |  |  |  |  | 21,738,000,000 |  | 21,738,000,000 |  | $ 21,616,000,000 |  |
Loss on extinguishment of debt |  |  |  |  |  | $ (178,000,000) | $ (12,000,000) | $ (178,000,000) | $ (23,000,000) |  |  |
Common shares, outstanding (in shares) | shares |  |  |  |  |  | 369,749,489 |  | 369,749,489 |  | 367,843,058 |  |
Secured Notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  |  | $ (191,000,000) |  |  | $ 25,000,000 |  |  |  |
Debt issuance costs, net |  |  |  |  |  | $ 60,000,000 |  | $ 60,000,000 |  |  |  |
Applicable Rate | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 4.25% |  |  |  |
Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common shares, outstanding (in shares) | shares |  | 185,468,421 |  |  |  |  |  |  |  |  |  | 310,449,643
Term Loan B Facility Due February 2027 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 2,500,000,000 |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 0 |  | $ 0 |  | $ 2,187,000,000 |  |
Total long-term debt and other |  |  |  |  |  | $ 0 |  | 0 |  | 2,166,000,000 |  |
2025 Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Dividend and distribution threshold |  |  |  |  |  |  |  | $ 1,600,000,000 |  |  |  |
2025 Credit Agreement | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Commitment fee (as a percent) |  |  |  |  |  |  |  | 0.50% |  |  |  |
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 | SOFR, EUTIBOT and Term CORRA | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 3.25% |  |  |  |
2025 Credit Agreement | Applicable Rate | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 0.25% |  |  |  |
Number of debt instruments | rate |  |  |  |  |  | 2 |  | 2 |  |  |  |
2025 Credit Agreement | Applicable Rate | Minimum | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  |  |  |  |  | 2.1 |  | 2.1 |  |  |  |
2025 Credit Agreement | Applicable Rate | Maximum | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  |  |  |  |  | 2.6 |  | 2.6 |  |  |  |
2025 Credit Agreement | Bausch + Lomb | Asset Pledged as Collateral |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Common shares, outstanding (in shares) | shares |  |  |  |  |  | 185,468,421 |  | 185,468,421 |  |  |  |
Term Loan B Facility Due 2030 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 3,000,000,000 |  |  |  |  |  |  |  |  |  |
Remaining quarterly amortization payments |  |  |  |  |  |  |  | $ 158,000,000 |  |  |  |
Annual amortization rate (as a percent) |  |  |  |  |  | 1.00% |  | 1.00% |  |  |  |
Quarterly amortization payments |  |  |  |  |  |  |  | $ 30,000,000 |  |  |  |
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 |  |  |  |
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] |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  | 6.25% |  | 6.25% |  |  |  |
Variable rate, floor (as a percent) |  |  |  |  |  |  |  | 0.00% |  |  |  |
Term Loan B Facility Due 2030 | Alternate Base Rate |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stated interest rate on debt (as a percent) |  |  |  |  |  | 5.25% |  | 5.25% |  |  |  |
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 | 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 | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 1.00% |  |  |  |
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 | EURIBOR |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 0.00% |  |  |  |
Revolving Credit Facility Due 2030 | Applicable Rate | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Variable rate (as a percent) |  |  |  |  |  |  |  | 0.125% |  |  |  |
Number of debt instruments | rate |  |  |  |  |  | 2 |  | 2 |  |  |  |
Revolving Credit Facility Due 2030 | Applicable Rate | Minimum | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  |  |  |  |  | 2.1 |  | 2.1 |  |  |  |
Revolving Credit Facility Due 2030 | Applicable Rate | Maximum | Line of Credit |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Secured leverage ratio (not greater than) |  |  |  |  |  | 2.6 |  | 2.6 |  |  |  |
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% |  | 11.00% |  |  |  |
Term Loan B Facility Due May 2027 | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  | $ 2,500,000,000 |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | $ 0 |  | $ 0 |  | 2,437,000,000 |  |
Total long-term debt and other |  |  |  |  |  | 0 |  | 0 |  | 2,412,000,000 |  |
Term Loan B Facility Due September 2028 | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 491,000,000 |  | 491,000,000 |  | 494,000,000 | $ 500,000,000 |
Total long-term debt and other |  |  |  |  |  | 484,000,000 |  | 484,000,000 |  | 486,000,000 |  |
Incremental Term Loan B Due May 2027 | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 0 |  | 0 |  | 400,000,000 |  |
Total long-term debt and other |  |  |  |  |  | 0 |  | 0 |  | 396,000,000 |  |
February 2027 Term Loan B Facility | Secured Notes |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount outstanding |  | $ 2,156,000,000 |  |  |  |  |  |  |  |  |  |
Maximum percentage, present value of cash flows of new debt |  |  |  | 10.00% |  |  |  |  |  |  |  |
Loss on extinguishment of debt |  |  |  | $ 9,000,000 |  |  |  |  |  |  |  |
Debt issuance costs, net |  |  |  | 130,000,000 |  |  |  |  |  |  |  |
Payments of debt restructuring costs |  |  |  | 20,000,000 |  |  |  |  |  |  |  |
Term Loan B Due January 2031 | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount outstanding | $ 2,325,000,000 |  |  |  |  |  |  |  |  |  |  |
Remaining quarterly amortization payments | $ 800,000,000 |  |  |  |  |  |  |  |  |  |  |
Term Loan B Due January 2031 | Line of Credit | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | 2,325,000,000 |  | 2,325,000,000 |  |  |  |
Term Loan Due January 2031 And Term Loan Due September 2028 | Line of Credit | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | 491,000,000 |  | 491,000,000 |  |  |  |
Revolving Credit Facility | 2027 Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 975,000,000 |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 0 |  | 0 |  | 0 |  |
Total long-term debt and other |  |  |  |  |  | 0 |  | 0 |  | 0 |  |
Revolving Credit Facility | Revolving Credit Facility Due May 2027 | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Term |  |  |  | 5 years |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 500,000,000 |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | 0 |  | 0 |  | 110,000,000 |  |
Total long-term debt and other |  |  |  |  |  | $ 0 |  | $ 0 |  | $ 110,000,000 |  |
Revolving Credit Facility | 2025 Credit Agreement |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  |  |  |  | 4.25 |  | 4.25 |  |  |  |
Secured leverage ratio |  |  |  |  |  | 5.75 |  | 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 |  | 2.00 |  |  |  |
Secured leverage ratio |  |  |  |  |  | 6.50 |  | 6.50 |  |  |  |
Revolving Credit Facility | Revolving Credit Facility Due 2030 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Term |  | 5 years |  |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 500,000,000 |  |  |  |  |  |  |  |  |  |
Principal amount outstanding |  |  |  |  |  | $ 0 |  | $ 0 |  |  |  |
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 |  | $ 1,000,000,000 |  |  |  |
Letter of Credit | Revolving Credit Facility Due 2030 |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total long-term debt and other |  |  |  |  |  | 25,000,000 |  | 25,000,000 |  |  |  |
Letter of Credit | Term Loan B Due January 2031 | Line of Credit | Bausch + Lomb |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total long-term debt and other |  |  |  |  |  | $ 37,000,000 |  | $ 37,000,000 |  |  |  |

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- Definition Debt Instrument, Covenant Compliance, Secured Leverage Ratio + References No definition available. + Details
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- Definition Debt Instrument, Covenant, Minimum Liquidity, Amount + References No definition available. + Details
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- Definition Debt Instrument, Covenant Terms, Fixed Charge Coverage Ratio + References No definition available. + Details
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- Definition Debt Instrument, Covenant Terms, Secured Leverage Ratio + References No definition available. + Details
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- Definition Debt Instrument, Modification Of Debt, Present Value Of Cash Flows, New Debt, Maximum Threshold + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Debt Instrument, Restrictive Covenant, Disposition Of Property, Threshold + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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