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[Member] Asset impairments Asset impairments Asset Impairment Charges Total Bausch + Lomb Corporation shareholders’ equity Equity, Attributable to Parent Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Schedule of property, plant and equipment Property, Plant and Equipment [Table Text Block] BHC BHC [Member] BHC Recurring basis Fair Value, Recurring [Member] Mexico NEW MEXICO Acquisition-Related Transaction Costs Acquisition-Related Transaction Costs [Member] Acquisition-Related Transaction Costs Concentrations of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Chargebacks Reserve For Chargebacks [Member] Reserve For Chargebacks [Member] Cover [Abstract] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Estimated useful lives Finite-Lived Intangible Asset, Useful Life 2025 Acquisition November 2025 Acquisitions [Member] November 2025 Acquisitions Net income attributable to noncontrolling interest Net Income (Loss) Attributable to Noncontrolling Interest Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Number of products/franchises represented of total revenue Concentration Risk, Number Of Products/Franchises Concentration Risk, Number Of Products/Franchises Net Carrying Amount Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Long-term debt, net of unamortized debt discount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Measurement period adjustment, intangible assets, net Business 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Operating Lease Information, Lessee [Table Text Block] Additional Operating Lease Information, Lessee [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] 2027 Secured Borrowing, Maturity, Year Two Secured Borrowing, Maturity, Year Two Legal Costs Legal Costs, Policy [Policy Text Block] Number of defined benefit plans amended Defined Benefit Plan, Number of Defined Benefit Plans Amended Defined Benefit Plan, Number of Defined Benefit Plans Amended Statement of Stockholders' Equity [Abstract] Operating Segment Operating Segments [Member] Schedule of supplemental cash flow disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Loss related to settlements Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss) Related To Settlement Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss) Related To Settlement Comprehensive income attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Schedule of Commitments [Table] Schedule of Commitments [Table] Represents information pertaining to commitments of the entity during the reporting period. 2029 Secured Borrowing, Maturity, Year Four Secured Borrowing, Maturity, Year Four Emerging markets Emerging Markets [Member] Represents the Emerging Markets segment of the entity. The segment consists of branded generic pharmaceutical products, as well as OTC products and agency/in-licensing arrangements with other research-based pharmaceutical companies (where the entity distributes and markets branded, patented products under long-term, renewable contracts). Products are sold primarily in Europe (Poland, Serbia, Hungary, Croatia and Russia), Latin America (Mexico, Brazil and exports out of Mexico to other Latin American markets), South East Asia and South Africa. Letter of Credit Letter of Credit [Member] Payments of noncontrolling interest distributions Payments to Noncontrolling Interests Cash Payable Upon the Achievement of Specific Regulatory Approval Milestones Cash Payable Upon The Achievement Of Specific Regulatory Approval Milestones [Member] Cash Payable Upon The Achievement Of Specific Regulatory Approval Milestones Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Accrued and other current liabilities Less: Current portion Operating Lease, Liability, Current Schedule of assumptions used to calculate the fair values of performance-based RSUs Schedule Of Share Based Payment Award, Equity Instruments Other than Options, Valuation Assumptions [Table Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of equity based payment instruments, excluding stock (or unit) options, including but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. Document Fiscal Period Focus Document Fiscal Period Focus Rate of compensation increase Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Weighted-average discount rate - other financial liabilities Secured Borrowing, Weighted Average Discount Rate, Percent Secured Borrowing, Weighted Average Discount Rate, Percent Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type [Axis] Award Type [Axis] Foreign currency translation adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Hedging Relationship [Domain] Hedging Relationship [Domain] Schedule of pro forma information Business Combination, Pro Forma Information [Table Text Block] Sale Leaseback Transaction, Name [Domain] Sale Leaseback Transaction, Name [Domain] Share-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Acquisition-Related Contingent Consideration Business Combination [Policy Text Block] Other Other Countries [Member] Other Countries [Member] Changes in Valuation Allowances (as a percent) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Common shares issued under share-based compensation plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Pharmaceuticals Pharmaceuticals Pharmaceuticals [Member] Pharmaceuticals Entity Address, City or Town Entity Address, City or Town Manufacturing Equipment Manufacturing Equipment [Member] Manufacturing Equipment Effect of exchange rate changes on cash and cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Net deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Currency translation adjustments Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount RSUs RSUs Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Employee severance costs Severance Costs Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Worldwide developed markets Non-U.S. Developed Markets [Member] Non-U.S. Developed Markets [Member] Aggregate purchase consideration Aggregate purchase consideration Business Combination, Consideration Transferred Emerging Growth Company Entity Emerging Growth Company 2028 Long-Term Debt, Maturity, Year Three Beginning of the period (in shares) End of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Unclaimed investment tax credits and research and development credits Unclaimed Tax Credits and Research and Development Credits The amount of unclaimed tax credits and research and development credits. 2026 Defined Benefit Plan, Expected Future Benefit Payment, Year One Net Carrying Amount Indefinite-Lived Intangible Assets (Excluding Goodwill) Additions (Note 4) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases October 2028 Secured Notes Senior Secured Notes Due October 2028 [Member] Senior Secured Notes Due October 2028 Common shares, outstanding (in shares) Beginning Balance (in shares) Ending Balance (in shares) Common Stock, Shares, Outstanding Provision Accounts Receivable, Credit Loss Expense (Reversal) Other assets Non-U.S. Other Assets [Member] Non-U.S. Other Assets [Member] For Determining Benefit Obligation Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Shares purchased (in dollars per share) Share-Based Compensation Arrangement By Share-Based Payment Award, Award Market Share Price Target Share-Based Compensation Arrangement By Share-Based Payment Award, Award Market Share Price Target Charged to Benefit from income taxes SEC Schedule, 12-09, Valuation Allowances And Reserves, Additions, Charge To Benefit From Income Taxes SEC Schedule, 12-09, Valuation Allowances And Reserves, Additions, Charge To Benefit From Income Taxes Foreign exchange gain Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Schedule of estimated useful lives of intangible assets Schedule Of Estimated Useful Lives Of Finite Lived Intangible Assets [Table Text Block] Tabular disclosure of estimated useful lives of major classes of finite-lived intangible assets. Increase in valuation allowance Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] OPG Performance-Based RSU Outperformance Of Performance Goals Performance-based Restricted Stock Units [Member] Outperformance Of Performance Goals Performance-based Restricted Stock Units Schedule of estimated aggregate amortization expense for each of the five succeeding years Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Intangible Assets Intangible Assets, Finite-Lived, Policy [Policy Text Block] Change in Projected Benefit Obligation Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Prepaid expenses and other current assets (Note 3) Prepaid expenses and other current assets, related party Prepaid Expense and Other Assets, Current Restricted Stock Units (RSUs) Performance-Based RSUs Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Provision for income taxes Benefit from (provision for) income taxes Income Tax Expense (Benefit) Variable rate Debt Instrument, Basis Spread on Variable Rate Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Amortization of net loss and settlements Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Amortization or Settlement Recognition Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Amortization or Settlement Recognition Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] 2030 Secured Borrowing, Maturity, Year Five Secured Borrowing, Maturity, Year Five Hedging Relationship [Axis] Hedging Relationship [Axis] Property, plant and equipment, gross Property, Plant and Equipment, Gross Leases Deferred Tax Assets, Leases Deferred Tax Assets, Leases Current portion of long-term debt and other financial liabilities Less: Current portion Secured Borrowing, Current Secured Borrowing, Current Other Income and Expenses [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Acquisitions (Note 4) Goodwill, Acquired During Period SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Domestic – National Income Tax Paid, Federal, after Refund Received Buildings and improvements Buildings Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Redemption price, percentage Debt Instrument, Redemption Price, Percentage Vested and expected to vest at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Accrued and other current liabilities Accrued and other current liabilities Accrued Liabilities, Current Intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Contingencies Commitments and Contingencies, Policy [Policy Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Beginning of the period (in shares) End of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Accumulated benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Commitments and Contingencies Disclosure [Abstract] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Recognized as: Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Term (in years) Debt Instrument, Term Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Estimated useful lives Property, Plant and Equipment, Useful Life Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Schedule of assumptions used to calculate the fair values of stock options Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Other net assets Business Combination, Recognized Asset Acquired, Other Asset, Current Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Discontinued Product Lines Discontinued Product Lines [Member] Discontinued Product Lines PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Depreciation expense Depreciation Vested and expected to vest at the end of the period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Derivative Liability, Subject to Master Netting Arrangement, before Offset Other non-current liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Equity Components [Axis] Equity Components [Axis] Property, plant and equipment [Line Items] Property, Plant and Equipment [Line Items] Sub-lease income Sublease Income Annual amortization rate Debt Instrument, Annual Amortization Rate, Percentage, Period One Debt Instrument, Annual Amortization Rate, Percentage, Period One Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Product sales Product Sales Product [Member] Fair value, contingent consideration liability, discount rate Fair value, contingent consideration obligations, discount rate Business Combination, Contingent Consideration, Liability, Measurement Input Number of reportable segments Number of Reportable Segments Unrecognized tax benefits including interest and penalties Unrecognized Tax Benefits, Including Interest And Penalties The gross amount of unrecognized tax benefits including interest and penalties pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Advertising Costs Advertising Cost [Policy Text Block] Related party transaction, term Related Party Transaction, Term Of Agreement Related Party Transaction, Term Of Agreement Entity Address, Country Entity Address, Country Entity Address, State or Province Entity Address, State or Province Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] 2029 Defined Benefit Plan, Expected Future Benefit Payment, Year Four Long-term debt and other financial liabilities Non-current portion Secured Borrowing, Noncurrent Secured Borrowing, Noncurrent Total current liabilities Liabilities, Current Individual: Individual [Axis] Contributions recognized Defined Contribution Plan, Cost Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Document Annual Report Document Annual Report Research and development expenses Research and Development Expense [Member] Bausch Health Americas Bausch Health Americas [Member] Bausch Health Americas Settlements Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Settlement Number of innovative therapies Number Of Innovative Therapies Number Of Innovative Therapies Tax loss and credit carryforwards Deferred Tax Assets, Tax Loss And Credit Carryforwards Represents the deferred tax assets on tax loss carryforwards available to the entity. Measurement period adjustment, prepaid expenses and other current assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets Cash and cash equivalents Defined Benefit Plan, Cash and Cash Equivalents [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayments of debt Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current May 2027 Revolving Credit Facility Revolving Credit Facility Due May 2027 [Member] Revolving Credit Facility Due May 2027 Interest settlements from cross-currency swaps Proceeds from Derivative Instrument, Investing Activities Interest crediting rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Weighted-Average Interest Crediting Rate Funded Status at end of year Defined Benefit Plan, Funded (Unfunded) Status of Plan Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Non-deductible amount of share-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Business Combination, Contingent Consideration, Type [Axis] Business Combination, Contingent Consideration, Type [Axis] Amortization of other financial liabilities Debt Instrument, Periodic Payment, Principal Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Ownership [Domain] Ownership [Domain] Goodwill Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Cooperative advertising credits included in rebates Balance, beginning of year Balance, end of year SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount Capital Loss on Sale of Assets (as a percent) Effective Income Tax Rate Reconciliation, Capital Loss On Sale Of Assets, Percent Effective Income Tax Rate Reconciliation, Capital Loss On Sale Of Assets, Percent 2027 Defined Benefit Plan, Expected Future Benefit Payment, Year Two Other non-current assets (Note 3) Other non-current assets, related party Other Assets, Noncurrent Interest Interest Payable, Current Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Schedule of long-term debt maturities Schedule of Maturities of Long-Term Debt [Table Text Block] (Loss) gain related to changes in fair value Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Supplemental Cash Flow Elements [Abstract] Cross-currency swaps Currency Swap [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Balance, beginning of period Balance, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Defined Benefit Plan [Table] Defined Benefit Plan [Table] Non-current portion Business Combination, Contingent Consideration, Liability, Noncurrent Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Vesting Period One Share-Based Payment Arrangement, Tranche One [Member] Percentage of shares held Sale of Stock, Percentage of Ownership after Transaction Schedule of assets and liabilities associated with derivatives, included in the Consolidated Balance Sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Measurement Input, Weighted Average Risk-Adjusted Discount Rate Measurement Input, Weighted-Average Discount Rate [Member] Measurement Input, Weighted-Average Discount Rate [Member] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Benefits paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Expected provision for income taxes at Canadian statutory rate (as a percent) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] May 2027 Incremental Term Facility Incremental Term Facility Due May 2027 [Member] Incremental Term Facility Due May 2027 Current portion included other current liability Current portion included in Accrued and other current liabilities Business Combination, Contingent Consideration, Liability, Current Expected provision for income taxes at Canadian statutory rate Foreign Income Tax Expense (Benefit), Continuing Operations Non-current portion of long-term debt Long-Term Debt, Excluding Current Maturities 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Vesting [Domain] Vesting [Domain] Fixed Asset Equipment Fixed Asset Equipment [Member] Fixed Asset Equipment Deferred tax assets: Deferred Tax Assets, Net [Abstract] U.S. broad market U.S. Broad Market [Member] U.S. Broad Market [Member] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Vision Care, Pharmaceuticals, and Surgical Vision Care, Pharmaceuticals, And Surgical [Member] Vision Care, Pharmaceuticals, And Surgical Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Weighted- Average Exercise Price Per Share Share Based Compensation, Arrangement by Share Based Payment Award Options Weighted Average Exercise Price [Roll Forward] -- None. No documentation exists for this element. -- Entity Address, Address Line One Entity Address, Address Line One Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Debt Discounts and Premiums, Issuance Costs and Deferred Financing Costs Deferred Charges, Policy [Policy Text Block] Foreign exchange impact Effective Income Tax Rate Reconciliation, Foreign Exchange Impact, Amount Effective Income Tax Rate Reconciliation, Foreign Exchange Impact, Amount Stay of approval, period Loss Contingency, Stay Of Approval, Period Loss Contingency, Stay Of Approval, Period Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Work in process Inventory, Work in Process, Gross Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Domain] Ownership [Axis] Ownership [Axis] Amortization of prior service credit Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Branded and Other Generics Branded and Other Generic Products [Member] Branded and Other Generic Products [Member] Benefit accrual, interest percentage earned on cash balance Defined Benefit Plan, Benefit Accrual, Interest Percentage Earned On Cash Balance Defined Benefit Plan, Benefit Accrual, Interest Percentage Earned On Cash Balance Fair Value as of Grant Date Award Grant Date Fair Value September 2028 Term Facility Term Loan Due September 2028 [Member] Term Loan Due September 2028 Surgical Surgical Surgical [Member] Surgical Schedule of other expense, net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Change in uncertain tax positions Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Percentage of net cash proceeds of insurance and condemnation proceeds for property or asset losses Line Of Credit Facility, Percentage Of Net Cash Proceeds Of Insurance And Condemnation Proceeds From Property Or Asset Losses Payable As Mandatory Prepayments Represents the percentage of net cash proceeds of insurance and condemnation proceeds for property or asset (losses) which is payable as mandatory prepayment. January 2031 Term Facility Term Loan Due January 2031 [Member] Term Loan Due January 2031 Diluted effect of stock options and RSUs (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Total expenses Costs and Expenses Withholding tax Effective Income Tax Rate Reconciliation, Withholding Tax, Amount Effective Income Tax Rate Reconciliation, Withholding Tax, Amount Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Remaining unrecognized compensation expense related to non-vested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Sale Leaseback Transaction, Description [Axis] Sale Leaseback Transaction, Description [Axis] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Shower to Shower Product Liability Litigation Shower To Shower Product Liability Litigation [Member] Shower to Shower Product Liability Litigation [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Outstanding at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Germany Germany GERMANY SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 2028 Defined Benefit Plan, Expected Future Benefit Payment, Year Three Other assets Other Assets, Fixed Income Securities [Member] Other Assets, Fixed Income Securities [Member] Schedule of components of the change in projected benefit obligations, change in plan assets and funded status Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Percentage allocation of fund Defined Benefit Plan, Percentage Allocation of Fund Defined Benefit Plan, Percentage Allocation of Fund Potential future milestone obligation, minimum Business Combination, Contingent Consideration, Range of Outcomes, Minimum, Amount Cash consideration paid Cash consideration paid Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Outstanding at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Leases and Right of Use Assets Deferred Tax Liabilities, Leasing Arrangements Disallowed interest Effective Income Tax Rate Reconciliation, Nondeductible Interest, Amount Effective Income Tax Rate Reconciliation, Nondeductible Interest, Amount Percentage of cash proceeds from asset sales outside the ordinary course of business payable as mandatory prepayments Line of Credit Facility, Percentage of Net Cash Proceeds from Asset Sales Outside Ordinary Course of Business Payable as Mandatory Prepayments Represents the percentage of net cash proceeds from asset sales outside ordinary course of business payable as mandatory prepayments. 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Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Number of defendants Gain Contingency, Number Of Defendants Gain Contingency, Number Of Defendants Inventory released to cost of goods sold Business Combination, Inventory Released To Cost Of Goods And Services Sold Business Combination, Inventory Released To Cost Of Goods And Services Sold Income taxes paid, total Income Taxes Paid, Net Redemption price percentage to change in control Debt Instrument, Redemption Price, Percentage, Change In Control Debt Instrument, Redemption Price, Percentage, Change In Control 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Foreign exchange impact (as a percent) Effective Income Tax Rate Reconciliation, Foreign Exchange Impact, Percent Effective Income Tax Rate Reconciliation, Foreign Exchange Impact, Percent Principal Amount Long-term debt borrowings Total gross maturities Long-Term Debt, Gross Granted (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] ACQUISITIONS AND LICENSING AGREEMENTS Business Combination And Asset Acquisition Disclosure [Text Block] Business Combination And Asset Acquisition Disclosure Total Lessee, Operating Lease, Liability, to be Paid Less: Imputed interest Secured Borrowing, Liability, Undiscounted Excess Amount Secured Borrowing, Liability, Undiscounted Excess Amount Noncontrolling interest distributions Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Corporate brands Corporate brands Trade Names [Member] South Korea KOREA, REPUBLIC OF Schedule of intangible assets acquired, asset acquisition Finite-Lived Intangible Assets Acquired As Part Of An Asset Acquisition [Table Text Block] Finite-Lived Intangible Assets Acquired As Part Of An Asset Acquisition Expiration Date Trading Arrangement Expiration Date May 2027 Term Facility Term Loan Due May 2027 [Member] Term Loan Due May 2027 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Five Fixed income securities Fixed income securities: Fixed Income Securities [Member] Portion of net trade receivables that is past due (less than) Trade Receivable, Net, Portion Past Due Trade Receivable, Net, Portion Past Due Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Restructuring, integration and separation costs Restructuring Charges Potential future milestone obligation (up to) Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Vested and exercisable at the end of the period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Algeria, Argentina, Brazil, Belarus, Greece, Iran, Russia, Serbia, South Africa, Turkey, Ukraine, and Venezuela Algeria, Argentina, Brazil, Belarus, Greece, Iran, Russia, Serbia, South Africa, Turkey, Ukraine, and Venezuela [Member] Algeria, Argentina, Brazil, Belarus, Greece, Iran, Russia, Serbia, South Africa, Turkey, Ukraine, and Venezuela Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Trade receivables Increase (Decrease) in Accounts Receivable Inventories Inventory, Policy [Policy Text Block] Audit Information [Abstract] Audit Information Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Percentage of annual excess cash flow Line Of Credit Facility, Percentage Of Consolidated Excess Cash Flow Payable As Mandatory Prepayments Represents the percentage of annual excess cash flow with any excess amounts after the prepayment of the loans. Product Returns Accrued Product Returns, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for product returns. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). 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No documentation exists for this element. -- Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Settled Litigation Settled Litigation [Member] Non-U.S. Plans Foreign Plan [Member] Restricted cash Restricted Cash, Current Gross Carrying Amount Intangible Assets, Gross (Excluding Goodwill) Total Intangible assets, net Intangible Assets Acquired Intangible Assets Acquired Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] OTHER EXPENSE, NET Other Income and Other Expense Disclosure [Text Block] Leases [Abstract] Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Customer, Top Ten Products Customer, Top Ten Products [Member] Customer, Top Ten Products SOFR, EURIBOR, 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Issuable Upon Vesting, Number 2026 Secured Borrowing, Maturity, Year One Secured Borrowing, Maturity, Year One Other Deferred Tax Assets, Other Other non-current liabilities Liability, Defined Benefit Plan Accounting Policies [Abstract] Schedule of operating lease future payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Pharmaceuticals Pharmaceutical Products [Member] Pharmaceutical Products [Member] Acquisitions and other investments Payments to Acquire Other Investments Total fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Number of claims dismissed Loss Contingency, Claims Dismissed, Number Pay vs Performance Disclosure [Line Items] Present value of remaining lease payments Operating Lease, Liability Liabilities Liabilities [Abstract] Interest on other financial liabilities Debt Instrument, Periodic Payment, Interest Depreciation and amortization of intangible assets Depreciation, Depletion and Amortization, Nonproduction Debt instrument, redemption price, percentage of principal amount redeemed Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed Other non-current liabilities Other Liabilities, Noncurrent Product brands Product brands Product brand Product Brand [Member] Represents the rights to non-patented product brands. Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Goodwill impairment Goodwill, Impairment Loss Less: Current portion of long-term debt Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Company contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Comprehensive loss attributable to Bausch + Lomb Corporation Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Allowance for Credit Losses Receivables, Trade And Other Accounts Receivable, Allowance For Doubtful Accounts, Policy 1 [Policy Text Block] Receivables, Trade And Other Accounts Receivable, Allowance For Doubtful Accounts, Policy 1 Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Schedule of components of (loss) income before provision for income taxes Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Secured Debt Secured Debt [Member] Schedule of reconciliation of contingent consideration obligations measured on a recurring basis using significant unobservable inputs (Level 3) Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Deferred tax liabilities, net Deferred Income Tax Liabilities, Net Percentage of expected return on plan assets Expected rate of return on plan assets Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-Term Rate of Return on Plan Assets SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Total long-term debt and other Long-term debt issued and outstanding Long-Term Debt PSUs/RSUs Performance Restricted Share Units And Restricted Stock Units [Member] Performance Restricted Share Units And Restricted Stock Units Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Schedule of non-vested RSU and PSU activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Vested (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Cash Flows From Operating Activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Research & Development Tax Credits (as a percent) Effective Income Tax Rate Reconciliation, Tax Credit, Research, Percent Estimated Useful Life (In Years) Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life Floor Debt Instrument, Variable Rate, Floor Debt Instrument, Variable Rate, Floor Concentration Risk Type [Axis] Concentration Risk Type [Axis] INVENTORIES Inventory Disclosure [Text Block] Income Tax [Line Items] Income Tax [Line Items] -- None. No documentation exists for this element. -- Rebates, Advertising Credits Portion Reserve For Rebates, Advertising Credits Portion [Member] Reserve For Rebates, Advertising Credits Portion [Member] Assets: Assets, Fair Value Disclosure [Abstract] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four Quebec QUEBEC Research and development Research and development Research and Development Expense (Excluding Acquired in Process Cost) Right-of-use assets included in: Assets, Lessee [Abstract] Assets, Lessee [Abstract] Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Intangible assets Finite Lived and Indefinite Lived Intangible Assets [Line Items] -- None. No documentation exists for this element. -- 2022 Omnibus Plan Omnibus Incentive Plan 2022 [Member] Omnibus Incentive Plan 2022 Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Gain excluded from assessment of hedge effectiveness Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), before Adjustments and Tax Level 2 Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] Domestic provincial and local income taxes, net of federal (national) income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Lessee, Operating Lease, Liability, to be Paid, Fiscal Year 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2031 And Term Loan Due September 2028 [Member] Term Loan Due January 2031 And Term Loan Due September 2028 Non-cash Investing Activities Noncash Investing and Financing Items [Abstract] Interest income Interest income Investment Income, Interest Intangible assets Deferred Tax Liabilities, Intangible Assets U.S. Plan U.S. Plans United States UNITED STATES Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Land improvements Land Improvements [Member] Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Expected volatility Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated Earnings (Deficit) Retained Earnings [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Schedule of accrued and other current liabilities Schedule of Accrued Liabilities [Table Text Block] Share-Based Payment Arrangement [Abstract] Cash and cash equivalents and restricted cash, beginning of period Cash and cash equivalents and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Derivative Asset Derivative Asset Segment reporting information Revenue, Major Customer [Line Items] Purchases of marketable securities Payments to Acquire Marketable Securities Interest Expense Interest Expense [Member] Nonrecurring Fair Value, Nonrecurring [Member] Intangible assets, net Net Carrying Amount Intangible Assets, Net (Excluding Goodwill) Product and Service [Domain] Product and Service [Domain] Customer concentration Customer Concentration Risk [Member] Vested and exercisable at the end of the period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Bausch + Lomb Corporation Shareholders’ Equity Parent [Member] Net loss Net loss Net (loss) income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Unrecognized actuarial (losses) gains Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), after Tax Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Asset Acquisition And Business Combination [Table] Business Combination [Table] Aggregate notional amounts Derivative, Notional Amount Organization, Consolidation and Presentation of Financial Statements [Abstract] Net actuarial gain arising during the year Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Foreign exchange impact on USD denominated debt in Canada Effective Income Tax Rate Reconciliation, Foreign Exchange Rate On Debt, Amount Effective Income Tax Rate Reconciliation, Foreign Exchange Rate On Debt, Amount Schedule of fair values of assets acquired and liabilities assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Litigation and other matters Gain (Loss) from Litigation Settlement Cardinal Health, Inc. Cardinal Health, Inc. [Member] Cardinal Health, Inc. Capitalized interest Interest Costs Capitalized Revenues Revenues Net [Member] Aggregate net revenues during the period in the normal course of business. Payments/Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Cash Flows From Investing Activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Long-lived assets Long-Lived Assets Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] PreserVision® AREDS Patent Litigation PreserVision® AREDS Patent Litigation [Member] PreserVision® AREDS Patent Litigation Related Party Transactions [Abstract] Amortization of net loss Defined Benefit Plan, Amortization of Gain (Loss) Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Selling, general and administrative expenses Selling, General and Administrative Expenses [Member] Interest crediting rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate Goodwill Goodwill Balance at the beginning of the period Balance at the end of the period Goodwill Schedule of lease expenses Lease, Cost [Table Text Block] Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets [Member] Minimum interest coverage ratio Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Domestic Deferred Federal Income Tax Expense (Benefit) Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Auditor Name Auditor Name DESCRIPTION OF BUSINESS Nature of Operations [Text Block] Trukera Medical Trukera Medical [Member] Trukera Medical Weighted-average remaining lease term - other financial liabilities Secured Borrowing, Weighted Average Remaining Lease Term Secured Borrowing, Weighted Average Remaining Lease Term Inventories, net Business Combination, Recognized Asset Acquired, Inventory, Current Method and valuation assumptions Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract] Employee Stock Options, Restricted Stock Units, and Performance-Based Restricted Stock Units Employee Stock Options, Restricted Stock Units, And Performance-Based Restricted Stock Units [Member] Employee Stock Options, Restricted Stock Units, And Performance-Based Restricted Stock Units Other Payments Supplemental Cash Flow Information [Abstract] Trade receivables, net Business Combination, Recognized Asset Acquired, Receivable, Current Other Performance Measure, Amount Other Performance Measure, Amount Government bond funds US Treasury and Government [Member] Payments of financing costs Payments of Debt Issuance Costs Allowances for losses on trade receivables and inventories Allowances for Losses on Accounts Receivable and Inventories Amount of the current period expense charged against operations (1) for the purpose of reducing receivables to an amount that approximates their net realizable value and (2) the charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. Elios Vision Acquisition Elios Vision Acquisition [Member] Elios Vision Acquisition Employee Benefit Plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Related Party [Domain] Related and Nonrelated Parties [Domain] Amount Provision for income taxes Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Litigation Status [Axis] Litigation Status [Axis] Cumulative percentage Share-Based Compensation Arrangement by Share-Based Payment Award, EBITDA Modifier, Percent Of Target Level Share-Based Compensation Arrangement by Share-Based Payment Award, EBITDA Modifier, Percent Of Target Level Derivative Instrument [Axis] Derivative Instrument [Axis] Minimum aggregate amount of loans outstanding of total commitments, percent Debt Instrument, Covenant, Minimum Aggregate Amount Of Loans Outstanding Of Total Commitments, Percent Debt Instrument, Covenant, Minimum Aggregate Amount Of Loans Outstanding Of Total Commitments, Percent Vesting [Axis] Vesting [Axis] Benefits paid Defined Benefit Plan, Plan Assets, Benefits Paid Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] LEASES Lessee, Finance Leases [Text Block] Additional paid-in capital Additional Paid in Capital, Common Stock Entity [Domain] Entity [Domain] Settlements Defined Benefit Plan, Plan Assets, Payment for Settlement Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Discounts and Allowances Accrued Discounts And Allowances, Current Accrued Discounts And Allowances, Current Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other non-current assets Operating Lease, Right-of-Use Asset Employee Compensation and Benefit Costs Accrued Employee Benefits, Current Effective income tax rate (as a percent) Effective Income Tax Rate Reconciliation, Percent Reductions for tax positions of prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease costs Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] Acquisition-related costs Business Combination, Acquisition-Related Cost, Expense Weighted average service period over which compensation cost is expected to be recognized (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition LEGAL PROCEEDINGS Legal Matters and Contingencies [Text Block] Options, exercised (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Less valuation allowance Deferred Tax Assets, Valuation Allowance Purchase price, repayment term Business Acquisition, Maximum Term For Remaining Payment Business Acquisition, Maximum Term For Remaining Payment Fair Value of Derivative Instruments Derivatives, Policy [Policy Text Block] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Fair value of plan assets, beginning of year Fair value of plan assets, end of year Fair value of plan assets Defined Benefit Plan, Plan Assets, Amount B&L Trademark Trademarks [Member] Domestic Current Federal Tax Expense (Benefit) Increase (Decrease) in Shareholders' Equity Increase (Decrease) in Stockholders' Equity [Roll Forward] Fair value of awards vested Share Based Compensation Arrangement By Share Based Payment Award, Options Vested In Period, Total Fair Value Represents the total fair value of stock options vested during the period. Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Performance-Based RSUs Performance-Based Restricted Stock Units [Member] Performance-Based Restricted Stock Units Schedule of components of net periodic (benefit) cost Schedule of Net Benefit Costs [Table Text Block] Other Other Debt Obligations [Member] Other non-current liabilities Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair value, contingent consideration liability Business Combination, Contingent Consideration, Liability ACCUMULATED OTHER COMPREHENSIVE LOSS Comprehensive Income (Loss) Note [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Leases Lessee, Leases [Policy Text Block] Selling, general and administrative (Note 3) Charges incurred, separation agreement with BHC Selling, general and administrative Selling, General and Administrative Expense Deferred tax assets, net Deferred Income Tax Assets, Net Schedule of the components of Accumulated other comprehensive loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Whitecap Biosciences Acquisition Whitecap Biosciences Acquisition [Member] Whitecap Biosciences Acquisition Income Tax [Table] Income Tax [Table] Schedule of information relating to income taxes. Settlement loss recognized Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Schedule of Revenues from External Customers and Long-Lived Assets [Table] Schedule of Revenues from External Customers and Long-Lived Assets [Table] Doctors Allergy Formula, LLC Litigation Doctors Allergy Formula, LLC Litigation [Member] Doctors Allergy Formula, LLC Litigation [Member] Accrued and other current liabilities Accrued Liabilities, Current [Member] Accrued Liabilities, Current Finished goods Inventory, Finished Goods, Gross Revolving Credit Facility Revolving Credit Facility [Member] Foreign tax rate differences Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Earnings since acquisition Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual Segments [Axis] Segments [Axis] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Thereafter Long-Term Debt, Maturity, after Year Five SHARE-BASED COMPENSATION Share-Based Payment Arrangement [Text Block] Identifiable intangible assets Intangible assets, net Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill TSR Performance-Based RSUs Total Shareholder Return Performance-Based Restricted Stock Units [Member] TSR Performance-Based Restricted Stock Units [Member] 2028 Secured Borrowing, Maturity, Year Three Secured Borrowing, Maturity, Year Three Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Schedule of fair value of pension and postretirement benefit plan assets assumed in connection with the Acquisition Schedule of Fair Value of Pension and Postretirement Benefit Plan Assets Assumed in Connection with Acquisition [Table Text Block] Schedule of Fair Value of Pension and Postretirement Benefit Plan Assets Assumed in Connection with Acquisition [Table Text Block] Other equipment and leasehold improvements Other Equipment and Leasehold Improvement [Member] Represents other equipment and leasehold improvements. Debt Instrument [Axis] Debt Instrument [Axis] Forfeited (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value PENSION AND POSTRETIREMENT EMPLOYEE BENEFIT PLANS Retirement Benefits [Text Block] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Asset Acquisition And Business Combination [Line Items] Business Combination [Line Items] Loss on extinguishment of debt Loss on extinguishment of debt Loss on extinguishment of debt Gain (Loss) on Extinguishment of Debt Credit Facility [Domain] Credit Facility [Domain] Equity Equity, Attributable to Parent [Abstract] Present value of remaining lease payments Secured Borrowings Secured Borrowings Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Business Combination, Pro Forma Information, Nonrecurring Adjustment [Axis] Award vesting rights, percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage Debt, interest rate Debt Instrument, Interest Rate, Stated Percentage Schedule of revenues by segment and product category Revenue from External Customers by Products and Services [Table Text Block] Other non-current liabilities Non-current portion Operating Lease, Liability, Noncurrent Entity Voluntary Filers Entity Voluntary Filers Total intangible assets Intangible Assets, Net (Excluding Goodwill) [Abstract] Supplemental Cash Flow Disclosure [Table] Supplemental Cash Flow Disclosure [Table] Supplemental Cash Flow Disclosure [Table] Prepaid expenses and other current assets Derivative Asset, Subject to Master Netting Arrangement, before Offset B+L and BHC Bausch + Lomb And Bausch Health Companies [Member] Bausch + Lomb And Bausch Health Companies Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Adjustments to tax attributes Effective Income Tax Rate Reconciliation, Adjustments To Tax Attributes, Amount Effective Income Tax Rate Reconciliation, Adjustments To Tax Attributes, Amount XIIDRA Acquisition XIIDRA Acquisition [Member] XIIDRA Acquisition Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Net periodic cost (benefit) Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Performance Restricted Share Units Performance Restricted Share Units [Member] Performance Restricted Share Units Currency translation adjustments Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Payment terms Revenue, Performance Obligation, Payment Terms Revenue, Performance Obligation, Payment Terms Vested and exercisable at the end of the period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Number of operating segments Number of Operating Segments Acquired in-process research and development costs In-Process Research And Development Expense In-Process Research And Development Expense Schedule of long-term debt Schedule of Debt [Table Text Block] Number of entities after corporate restructuring Number Of Entities After Corporate Restructuring Number Of Entities After Corporate Restructuring Machinery and equipment Machinery and equipment Machinery and Equipment [Member] Granted (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Interest cost Interest cost Defined Benefit Plan, Interest Cost Related Party [Axis] Related and Nonrelated Parties [Axis] Reporting unit, impairment test, discount rate Reporting Unit, Impairment Test, Estimated Cash Flows, Discount Rate Reporting Unit, Impairment Test, Estimated Cash Flows, Discount Rate Other non-current liabilities Other Noncurrent Liabilities [Member] Schedule of finite-lived intangible assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Foreign Deferred Foreign Income Tax Expense (Benefit) Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Reporting Unit [Axis] Reporting Unit [Axis] Other Proceeds from (Payment for) Other Financing Activity Interest expense Interest expense, net Interest expense Interest Expense, Debt Effect of Changes in Tax Laws or Rates enacted in the current period Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Name Trading Arrangement, Individual Name Debt, principal amount Debt Instrument, Face Amount Income tax (expense) benefit Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Statement of Comprehensive Income [Abstract] For Determining Net periodic cost (benefit) Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Name Awards Close in Time to MNPI Disclosures, Individual Name Components of loss before benefit of income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract] ACCRUED AND OTHER CURRENT LIABILITIES Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block] Beginning of the period (in usd per share) End of the period (in usd per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Accretion for the time value of money Accretion For Time Value Of Money [Member] Accretion For Time Value Of Money [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Asset Acquisition [Line Items] Asset Acquisition [Line Items] Shower to Shower Product Liability Litigation, Atlantic County, New Jersey Multi-County, Stipulations of Dismissal Submitted Shower To Shower Product Liability Litigation, Atlantic County, New Jersey Multi-County, Stipulations Of Dismissal Submitted [Member] Shower To Shower Product Liability Litigation, Atlantic County, New Jersey Multi-County, Stipulations Of Dismissal Submitted Lotemax® SM Infringement Proceedings Lotemax® SM Infringement Proceedings [Member] Lotemax® SM Infringement Proceedings Schedule of customers that accounted for 10% or more of total revenue Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Acquired in-process research and development intangible asset In Process Research and Development [Member] Vested and expected to vest at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Litigation Case [Axis] Litigation Case [Axis] Ireland Foreign Tax Jurisdiction [Member] Auditor Firm ID Auditor Firm ID Segments [Domain] Segments [Domain] Damages sought Loss Contingency, Damages Sought, Value Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Number of proceedings Gain Contingency, Number Of Proceedings Gain Contingency, Number Of Proceedings Foreign Income (Loss) from Continuing Operations before Income Taxes, Foreign Remaining borrowings Line of Credit Facility, Remaining Borrowing Capacity Projected benefit obligation, beginning of year Projected benefit obligation, end of year Defined Benefit Plan, Benefit Obligation Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Inventories Increase (Decrease) in Inventories Amortization and write-off of debt premiums, discounts and issuance costs Amortization of Debt Issuance Costs and Discounts Future benefit payments period Defined Benefit Plan, Estimated Future Benefit Payments, Period Defined Benefit Plan, Estimated Future Benefit Payments, Period Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Loss Per Share Attributable to Bausch + Lomb Corporation Earnings Per Share, Policy [Policy Text Block] June 2030 Revolving Credit Facility Revolving Credit Facility Due June 2030 [Member] Revolving Credit Facility Due June 2030 All Executive Categories All Executive Categories [Member] Schedule of tax effect of major items recorded as deferred tax assets and liabilities and valuation allowance Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of underfunded plans Defined Benefit Plan, Plan with Projected Benefit Obligation in Excess of Plan Assets [Table Text Block] Common shares, no par value, unlimited shares authorized, 354,209,319 and 352,402,374 issued and outstanding at December 31, 2025 and December 31, 2024, respectively Common Stock, Value, Issued Total lease liabilities Operating Lease And Secured Borrowing Liability Operating Lease And Secured Borrowing Liability Prepaid expenses and other current assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Commitments and contingencies (Notes 19 and 20) Commitments and Contingencies Deferred income taxes Deferred Income Tax Noncash Expense (Benefit) The noncash component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations. Intangibles, net Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination [Axis] Business Combination [Axis] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Return to provision Effective Income Tax Rate Reconciliation, Return To Provision, Amount Effective Income Tax Rate Reconciliation, Return To Provision, Amount Non-controlling Interest Noncontrolling Interest [Member] Net deferred tax asset Deferred Tax Assets, Net Schedule of long-lived assets by geographic region Long-Lived Assets by Geographic Areas [Table Text Block] Gain excluded from hedge effectiveness Derivative, Gain, Excluded Component Derivative, Gain, Excluded Component PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Expired or forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Schedule of effect of hedging instruments on financial statements Schedule of Net Investment Hedges, Statements of Financial Performance and Financial Position, Location [Table Text Block] Remaining quarterly amortization payments Debt Instrument, Periodic Payment, Remaining Quarterly Amortization, Period One Debt Instrument, Periodic Payment, Remaining Quarterly Amortization, Period One Whitecap Biosciences Whitecap Biosciences [Member] Whitecap Biosciences Hedging Designation [Axis] Hedging Designation [Axis] Fair value of long-term debt Debt Instrument, Fair Value Disclosure Scenario [Axis] Scenario [Axis] Employer contribution maximum age Defined Benefit Plan, Employer Contribution, Maximum Age Defined Benefit Plan, Employer Contribution, Maximum Age Schedule of reconciliation of the beginning and ending amounts of unrecognized tax benefits Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Schedule of Finite Lived and Indefinite Lived Intangible Asset by Major Class [Table] Schedule of Finite Lived and Indefinite Lived Intangible Asset by Major Class [Table] Disclosure of the carrying value of amortizable and nonamortizable intangibles assets, in total and by major class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of the company. Acquisitions Business Combinations And Asset Acquisitions Policy [Policy Text Block] Business Combinations And Asset Acquisitions Policy Percentage of cash proceeds from incurrence of debt Line Of Credit Facility, Percentage Of Net Proceeds From Incurrence Of Debt Payable As Mandatory Pre-payments Represents the percentage of net cash proceeds from the incurrence of debt payable as mandatory prepayments. Projected benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Net pension and postretirement benefit plan adjustments Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Domestic Plan Domestic Plan [Member] Net Investment Hedging Net Investment Hedging [Member] Derivative Contract [Domain] Derivative Contract [Domain] 2030 Defined Benefit Plan, Expected Future Benefit Payment, Year Five All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Weighted- Average Remaining Contractual Term (Years) Share Based Compensation, Arrangement by Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] -- None. No documentation exists for this element. -- Purchases of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Incentive stock plan, term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] In Re: Generic Pharmaceuticals Pricing Antitrust Litigation, Pending In The U.S. District Court For The Eastern District Of Pennsylvania In Re: Generic Pharmaceuticals Pricing Antitrust Litigation, Pending In The U.S. District Court For The Eastern District Of Pennsylvania [Member] In Re: Generic Pharmaceuticals Pricing Antitrust Litigation, Pending In The U.S. District Court For The Eastern District Of Pennsylvania Disposal Group Classification [Axis] Disposal Group Classification [Axis] Weighted average interest rate Debt, Weighted Average Interest Rate Foreign exchange and other Goodwill, Foreign Currency Translation, Gain (Loss) RSUs, Performance-based RSUs and Stock Options Employee Stock Options, Time-Based Restricted Stock Units, and Performance-Based Restricted Stock Units [Member] Employee Stock Options, Time-Based Restricted Stock Units, and Performance-Based Restricted Stock Units [Member] Common shares, authorized, unlimited [Fixed List] Common Stock, Shares Authorized, Unlimited [Fixed List] Equity securities Equity securities: Defined Benefit Plan, Equity Securities [Member] Thereafter Secured Borrowing, Maturity, After Year Five Secured Borrowing, Maturity, After Year Five Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Acquired in-process research and development intangible asset Indefinite-Lived Intangible Assets Acquired Cash paid from financing cash flows for other financial liabilities Repayments Of Secured Borrowing, Financing Activities Repayments Of Secured Borrowing, Financing Activities Geographical [Axis] Geographical [Axis] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Revenues Business Combination, Pro Forma Information, Pro Forma Revenue Foreign exchange and other Foreign exchange and other Gain (Loss), Foreign Currency Transaction, before Tax SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Scenario, Forecast Forecast [Member] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Cash paid from operating cash flows for other financial liabilities Repayments Of Secured Borrowing, Operating Activities Repayments Of Secured Borrowing, Operating Activities Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Vested and exercisable at the end of the period Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Fair value of reporting value, greater than its carrying value Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Earnings Per Share [Abstract] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Supplemental Cash Flow Disclosure [Line Items] Supplemental Cash Flow Disclosure [Line Items] Supplemental Cash Flow Disclosure [Line Items] OTC Over the Counter Products [Member] Over the Counter Products [Member] Maximum first lien net leverage ratio Debt Instrument, Covenant, First Lien Net Leverage Ratio, Maximum Debt Instrument, Covenant, First Lien Net Leverage Ratio, Maximum Exercised (in usd per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Award Timing Disclosures [Line Items] Schedule of the components of inventories, net Schedule of Inventory, Current [Table Text Block] Service cost Service cost Defined Benefit Plan, Service Cost Current portion of long-term debt and other financial liabilities Long-Term Debt And Secured Borrowing, Current Long-Term Debt And Secured Borrowing, Current Measurement Frequency [Domain] Measurement Frequency [Domain] Net loss attributable to Bausch + Lomb Corporation Net loss attributable to Bausch + Lomb Corporation Net Income (Loss) Attributable to Parent Organic Revenue Growth Performance-Based RSUs Organic Revenue Growth Performance-Based Restricted Stock Units [Member] Organic Revenue Growth Performance-Based Restricted Stock Units Pending Litigation Pending Litigation [Member] Construction in progress Construction in Progress [Member] Other Other Accrued Liabilities, Current Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Incentive stock plan, vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Other (as a percent) Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Payments and credits SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Segment reporting information Segment Reporting Information [Line Items] Maximum level of achievement of the performance goals, percentage of target Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Achievement Of Performance Goals, Percentage Of The Target Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Achievement Of Performance Goals, Percentage Of Target Adoption Date Trading Arrangement Adoption Date Base Rate Base Rate [Member] Plant, equipment and technology Deferred Tax Liabilities, Basis Difference of Convertible Notes Represents the deferred tax liability recognized for the original basis difference between the principal amount of the Convertible Notes and value allocated to the liability component, which resulted in a corresponding reduction to the valuation allowance recorded against deferred tax assets. Acquisition-Related Finance Costs Acquisition-Related Finance Costs [Member] Acquisition-Related Finance Costs Lease term Lessee, Operating Lease, Term of Contract Customer [Axis] Customer [Axis] Customer relationships Customer Relationships [Member] Operating income Operating income Operating Income (Loss) Intercompany Profit in Ending Inventory (as a percent) Effective Income Tax Rate Reconciliation, Intercompany Profit In Ending Inventory, Percent Effective Income Tax Rate Reconciliation, Intercompany Profit In Ending Inventory, Percent Line of Credit Line of Credit [Member] Accumulated deficit Retained Earnings (Accumulated Deficit) Other commitments Schedule of Commitments [Line Items] -- None. No documentation exists for this element. -- Leasehold improvements Leaseholds and Leasehold Improvements [Member] Schedule of the components and classification of share-based compensation expense Share-Based Payment Arrangement, Cost by Plan [Table Text Block] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Impairment of intangible assets Impairment of Intangible Assets, Finite-Lived Finite-lived intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Retirement Plan Type [Axis] Retirement Plan Type [Axis] Payables and Accruals [Abstract] Statement [Table] Statement [Table] Actual return on plan assets Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Schedule of aggregate acquisition consideration Business Combination [Table Text Block] Total Deferred Income Tax Expense (Benefit) Sales Leaseback Transaction, Fixed Asset Equipment Sales Leaseback Transaction, Fixed Asset Equipment [Member] Sales Leaseback Transaction, Fixed Asset Equipment Adjustments to reconcile net loss to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Lapse of statute of limitations Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations Cash Flows From Financing Activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Loss per share attributable to Bausch + Lomb Corporation Earnings Per Share, Basic, Other Disclosure [Abstract] Revenue Benchmark Revenue Benchmark [Member] Minimum period to classify uncertain tax position liabilities as long term liabilities Minimum Period to Classify Uncertain Tax Position, Liabilities as Long Term Liabilities Represents the minimum period to classify uncertain tax position liabilities as long term liabilities. Payment to acquire business, asset acquisition Payments For Asset Acquisitions Payments For Asset Acquisitions Other Foreign Jurisdictions Foreign Tax Jurisdiction, Other [Member] Fair value, consideration transferred Total fair value of consideration transferred Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less), and Goodwill Variable Rate [Domain] Variable Rate [Domain] All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Incentive stock plan, shares authorized (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized U.S. Postretirement Benefit Plan U.S. Postretirement Benefit Plan Other Postretirement Benefits Plan [Member] Schedule of actual asset allocations Schedule of Allocation of Plan Assets [Table Text Block] McKesson Corporation Mc Kesson Corporation [Member] Represents the major customer of the entity, McKesson Corporation. Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Capital Loss on Sale of Assets Effective Income Tax Rate Reconciliation, Capital Loss On Sale Of Assets, Amount Effective Income Tax Rate Reconciliation, Capital Loss On Sale Of Assets, Amount Vesting Period Three Share-Based Payment Arrangement, Tranche Three [Member] Weighted-average discount rate - operating leases Operating Lease, Weighted Average Discount Rate, Percent Schedule of stock option activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Accrued interest and penalties related to unrecognized tax benefits Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Revenues since acquisition Business Combination, Acquiree's Revenue since Acquisition Date, Actual Past due period for receivables to be negligible (less than) Past Due Period for Accounts Receivable to be Negligible Represents the past due period for which accounts receivables are negligible. Basic weighted-average common shares (in shares) Basic weighted-average common shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Indefinite-lived intangible assets: Indefinite-Lived Intangible Assets (Excluding Goodwill) [Abstract] Inventory write-offs Inventory Write-down SUPPLEMENTAL CASH FLOW DISCLOSURES Cash Flow, Supplemental Disclosures [Text Block] Portion of unrecognized tax benefits, if recognized, would affect the Company's effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Schedule of calculation of income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Sales-Based Milestone Payments Sales-Based Milestone Payments [Member] Sales-Based Milestone Payments Segment Reporting [Abstract] Other revenues Other Revenues [Member] Other Revenues [Member] Debt Disclosure [Abstract] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Scenario [Domain] Scenario [Domain] Expenses Costs and Expenses [Abstract] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Current accrued loss contingencies Estimated Litigation Liability, Current Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] 2031 - 2035 Defined Benefit Plan, Expected Future Benefit Payment, after Year Five for Next Five Years Effects of cross-border taxes Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount Use of Estimates Use of Estimates, Policy [Policy Text Block] SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] First lien net leverage ratio, maximum, period two Debt Instrument, Covenant, First Lien Net Leverage Ratio, Maximum, Period Two Debt Instrument, Covenant, First Lien Net Leverage Ratio, Maximum, Period Two Novaliq GmbH Novaliq GmbH [Member] Novaliq GmbH [Member] Long-term debt and other financial liabilities Long-Term Debt And Secured Borrowing, Noncurrent Long-Term Debt And Secured Borrowing, Noncurrent Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Reporting unit, impairment test, long-term growth rate Reporting Unit, Impairment Test, Long-Term Growth Rate Reporting Unit, Impairment Test, Long-Term Growth Rate Raw materials Inventory, Raw Materials, Gross Other revenues Cost of other revenues Product and Service, Other [Member] Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Product Concentration Risk Product Concentration Risk [Member] Total Secured Borrowing, Liability, To Be Paid Secured Borrowing, Liability, To Be Paid Acquired In-Process Research and Development In Process Research and Development, Policy [Policy Text Block] Contingent Consideration Fair Value Adjustments Effective Income Tax Rate Reconciliation, Contingent Consideration Fair Value Adjustments, Amount Effective Income Tax Rate Reconciliation, Contingent Consideration Fair Value Adjustments, Amount Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Estimated company contributions in next fiscal year Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year Canadian Federal and Provincial Foreign Country State and Local [Member] The designated tax department of state or local government of a foreign country entitled to levy and collect income taxes from the entity. Intercompany Profit in Ending Inventory Effective Income Tax Rate Reconciliation, Intercompany Profit In Ending Inventory, Amount Effective Income Tax Rate Reconciliation, Intercompany Profit In Ending Inventory, Amount Schedule of intangible assets acquired, business combination Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block] Consolidation Items [Axis] Consolidation Items [Axis] Variable Rate [Axis] Variable Rate [Axis] Counterparty Name [Axis] Counterparty Name [Axis] Rebates Reserve For Rebates [Member] Reserve For Rebates [Member] Milestone payment under accrued and other current liabilities Other Accrued Liabilities, Current, Milestone Payment, License Agreement Other Accrued Liabilities, Current, Milestone Payment, License Agreement Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]