Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Trading Arrangement: Trading Arrangement [Axis] Maximum Maximum [Member] Statistical Measurement [Domain] Statistical Measurement [Domain] Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Adjustment to Compensation, Amount Adjustment to Compensation Amount Customer [Axis] Customer [Axis] Deferred royalty obligation, short-term Deferred Royalty Obligation, Current Deferred Royalty Obligation, Current Segment Reporting [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] Common shares, at CHF $0.08 par value Issued shares: 99,453,858 at June 30, 2024 and 89,041,946 December 31, 2023; outstanding shares: 96,469,641 at June 30, 2024 and 82,293,137 at December 31, 2023 Common Stock, Value, Issued Taxes paid related to net settled equity awards Payment, Tax Withholding, Share-Based Payment Arrangement AmerisourceBergen Corporation AmerisourceBergen 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[Table] Schedule of Long-Term Debt Instruments [Table] Accretion expense of deferred royalty obligation Amortization of Advance Royalty Treasury shares Treasury Stock, Value Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Segment Reporting Segment Reporting [Table Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Amortization of debt discount, senior secured term loan Amortization of Debt Issuance Costs Other comprehensive (loss) income Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total Long-Term Debt Warrant exercise price (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Document Period End Date Document Period End Date 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] Net cash used in 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[Abstract] Credit Facility [Domain] Credit Facility [Domain] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Proceeds from royalties Proceeds from Royalties Received Loan Modifications and Extinguishments Debt, Policy [Policy Text Block] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Outstanding warrants Warrant [Member] Weighted average shares outstanding, diluted (in shares) Weighted average number of shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Underlying Security Market Price Change Underlying Security Market Price Change, Percent R&D tax credit Research And 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development Research and Development Expense, Adjusted Research and Development Expense, Adjusted Expiration Date Trading Arrangement Expiration Date Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Exchange (losses)/gains on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Weighted average remaining life in years Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Aggregate Grant Date Fair Value of Equity Award Amounts 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Operation [Abstract] Vesting of RSUs Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Segment Reporting [Line Items] Segment Reporting [Line Items] Document Quarterly Report Document Quarterly Report 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] Segments [Domain] Segments [Domain] Senior secured term loan facility and warrants Debt Disclosure [Text Block] Scenario [Axis] Scenario [Axis] Plus: interest expense Increase (Decrease) To Royalty Obligation, Interest Expense Increase (Decrease) To Royalty Obligation, Interest Expense Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] 2022 ESPP 2022 Employee Stock Purchase Plan [Member] 2022 Employee Stock Purchase Plan Equity Component [Domain] Equity Component [Domain] PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Secured Debt Secured Debt [Member] Total operating expense Costs and Expenses Adoption Date Trading Arrangement Adoption Date Schedule of Other, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Other current and non-current liabilities Current And Accrued Expenses And Other Current Liabilities, Sales Adjustment Current And Accrued Expenses And Other Current Liabilities, Sales Adjustment Total shareholders’ (deficit) equity Beginning balance Ending balance Equity, Attributable to Parent Total other income (expense), net Nonoperating Income (Expense) Schedule of Royalty Purchase Obligation Schedule Of Royalty Purchase Obligation [Table Text Block] Schedule Of Royalty Purchase Obligation Restructuring Type [Axis] Restructuring Type [Axis] 2025 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Finished goods Inventory, Finished Goods, Net of Reserves Unrecognized share-based compensation cost, period of recognition Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Deferred royalty obligation interest expense Deferred Royalty Obligation Interest Expense Deferred Royalty Obligation Interest Expense Loan Agreement Loan Agreement [Member] Loan Agreement Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Weighted average grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Cardinal Health Cardinal Health [Member] Cardinal Health Statement [Line Items] Statement [Line Items] Total assets Assets Discarded Drug Rebate Discarded Drug Rebate [Member] Discarded Drug Rebate Common shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Remeasurement of defined benefit pension liability Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Interest expense Interest expense Interest Expense, Nonoperating Issuance of shares, 2022 Employee Stock Purchase Plan Stock Issued During Period, Value, Employee Stock Purchase Plan Issuance of shares, underwritten offering, net of transaction costs (in shares) Stock Issued During Period, Shares, New Issues PEO PEO [Member] 2028 Long-Term Debt, Maturity, Year Two Expired (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Expense recognized Share-Based Payment Arrangement, Expense Other long-term liabilities Other Liabilities, Noncurrent Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Exercise of options (in shares) Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Granted (in dollars 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 Subsequent Event Type [Domain] Subsequent Event Type [Domain] Beginning balance Ending balance Deferred Royalty Obligation Deferred Royalty Obligation Accumulated deficit Retained Earnings [Member] Operating lease liabilities, long-term Operating Lease, Liability, Noncurrent Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Net loss per share, diluted (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash (used in)/ provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Less: cumulative catch-up adjustment, Other, net Increase (Decrease) To Royalty Obligation, Cumulative Catch-Up Adjustment, Other, Net Increase (Decrease) To Royalty Obligation, Cumulative Catch-Up Adjustment, 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Expenses And Other Current Liabilities Share-Based Payment Arrangement [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Product revenues, net Revenue from Contract with Customer, Excluding Assessed Tax Interest cost Defined Benefit Plan, Interest Cost Share-based compensation, expensed and capitalized amount Share-Based Payment Arrangement, Expensed and Capitalized, Amount Awards vested and exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Deferred Royalty Obligation [Roll Forward] Deferred Royalty Obligation [Roll Forward] Deferred Royalty Obligation Inventory Inventory Disclosure [Text Block] Exercise of stock options Stock Issued During Period, Value, Stock Options Exercised Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Revenue Revenue from Contract with Customer [Text Block] Issuance of shares, underwritten offering, net of transaction costs Stock Issued During Period, Value, New Issues Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average strike price (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Inventory Increase (Decrease) in Inventories Risk-free interest rate, in %, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Segment Reporting [Table] Segment Reporting [Table] Maximum shares available for grant (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Schedule of Maturities of 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in Covered Year [Member] Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Service cost Defined Benefit Plan, Service Cost Balance as of March 31, 2026 Balance as of June 30, 2026 Gross to net sales adjustment Gross To Net Sales Adjustment Gross To Net Sales Adjustment Schedule of Share-Based Payment Arrangement, Option, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Weighted average strike price per share (in $ per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Offering period Share Based Compensation Arrangement By Share Based Payment Award, Offering Period Share Based Compensation Arrangement By Share Based Payment Award, Offering Period Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Black-Scholes value in $ Measurement Input, Value [Member] Measurement Input, Value Description of Business and Organization Business Description and Basis of Presentation [Text Block] Treasury shares (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Gross To Net Sales Adjustment Rollforward [Roll Forward] Gross To Net Sales Adjustment Rollforward [Roll Forward] Gross To Net Sales Adjustment Rollforward Selling and marketing Selling and Marketing Expense, Adjusted Selling and Marketing Expense, Adjusted Gross To Net Sales Adjustment [Domain] Gross To Net Sales Adjustment [Domain] Gross To Net Sales Adjustment [Domain] Equity Components [Axis] Equity Components [Axis] Accounts receivable, net Increase (Decrease) in Accounts Receivable Product and Service [Domain] Product and Service [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Entity Interactive Data Current Entity Interactive Data Current Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Small Business Entity Small Business Total comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Termination Date Trading Arrangement Termination Date Shares withheld for tax withholding obligations Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Title of 12(g) Security Title of 12(g) Security Accounts payable Increase (Decrease) in Accounts Payable, Trade Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for 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[Abstract] Royalty purchase agreement, if exceed mid-nine-digit amount Royalty Purchase Agreement, If Exceed Mid-Nine-Digit Amount Royalty Purchase Agreement, If Exceed Mid-Nine-Digit Amount Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]