0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 0000002 - Document - Audit Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 9952155 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Result for the Year link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Operating Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Capital Structure, Financial Risk and Related Items link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Other Disclosures link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Result for the Year (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Operating Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Capital Structure, Financial Risk and Related Items (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Other Disclosures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Basis of Presentation - Nature of the Business and Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Basis of Presentation - Activities of the Subsidiary (Details) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Basis of Presentation - Disclosure of Exchange Rates used for the Change in Presentation (Details) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Basis of Presentation - Disclosure of Exchange Rates used for the Change in Balance Sheet (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Basis of Presentation - Disclosure of Exchange Rates used for the Change in Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Basis of Presentation - Disclosure of Exchange Rates used for the Change in Cash Flow Statement (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Basis of Presentation - Disclosure of Exchange Rates used for the Change in Basis and Diluted Earnings per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Basis of Presentation - Revision of Prior Period Financial Statements (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Basis of Presentation - Disclosure of Revision of Prior Period Financial Statement (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Result for the Year - Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Result for the Year - Geographical Areas (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Result for the Year - Geographical Areas (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Result for the Year - Staff Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Result for the Year - Staff Costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Result for the Year - Staff Costs (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Result for the Year - Corporate and Deferred Tax - Income Tax (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Result for the Year - Corporate and Deferred Tax - Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Result for the Year - Corporate and Deferred Tax (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Result for the Year - Deferred Tax Asset (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Result for the Year - Deferred Tax Asset - Reconciliation (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Result for the Year - Profit Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Result for the Year - Profit Per Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Operating Assets and Liabilities - Other Intangible Assets and Goodwill (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Operating Assets and Liabilities - Other Intangible Assets and Goodwill, Schedule of the Carrying Amounts of Intangible Assets and Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Operating Assets and Liabilities - Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Operating Assets and Liabilities - Depreciation, Amortization, and Impairments are included in the Income Statement (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Operating Assets and Liabilities - Depreciation of Property and Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Operating Assets and Liabilities - Leases - Amounts recognized in Balance Sheet and Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Operating Assets and Liabilities - Leases - Future Minimum Payments under our Leases (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Operating Assets and Liabilities - Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Operating Assets and Liabilities - Inventories (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Operating Assets and Liabilities - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Operating Assets and Liabilities - Receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Operating Assets and Liabilities - Receivables (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Operating Assets and Liabilities - Contract Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Operating Assets and Liabilities - Contract Liabilities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Operating Assets and Liabilities - Other Payables (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Operating Assets and Liabilities - Other Payables (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Operating Assets and Liabilities - Other Payables (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Capital Structure, Financial Risk and Related Items - Capital Management (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Capital Structure, Financial Risk and Related Items - Financial Risk (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Capital Structure, Financial Risk and Related Items - Schedule of Assets and Liabilities in Foreign Currency (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Capital Structure, Financial Risk and Related Items - Maturity Profile of our Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - Disclosure - Capital Structure, Financial Risk and Related Items - Financial Assets and Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955558 - Disclosure - Capital Structure, Financial Risk and Related Items - Schedule of Fair Value Measurement (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Capital Structure, Financial Risk and Related Items - Fair Value Measurement - Other Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Capital Structure, Financial Risk and Related Items - Marketable Securities Portfolio (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Capital Structure, Financial Risk and Related Items - Financial Income and Expenses, Interest Income and Foreign Exchange Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Capital Structure, Financial Risk and Related Items - Financial Income and Expenses (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Capital Structure, Financial Risk and Related Items - RSU Activity - The Summary of Key Terms of Genmab’s RSU Programs (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Capital Structure, Financial Risk and Related Items - RSU Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Capital Structure, Financial Risk and Related Items - Warrant Program (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Capital Structure, Financial Risk and Related Items - Warrant Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Capital Structure, Financial Risk and Related Items - Weighted Average Outstanding Warrants (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Capital Structure, Financial Risk and Related Items - Valuation Assumptions for Warrants Granted (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Capital Structure, Financial Risk and Related Items - Share Capital (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Capital Structure, Financial Risk and Related Items - Share Capital, Warrants Authorizations (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Capital Structure, Financial Risk and Related Items - Changes in Share Capital (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Capital Structure, Financial Risk and Related Items - Treasury Shares (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Capital Structure, Financial Risk and Related Items - Share Repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Capital Structure, Financial Risk and Related Items - Share Capital Reduction (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Capital Structure, Financial Risk and Related Items - Borrowings - Schedule of Current and Non-Current Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Capital Structure, Financial Risk and Related Items - Borrowings - Terms and Conditions of Borrowings (Details) link:presentationLink link:calculationLink link:definitionLink 9955577 - Disclosure - Capital Structure, Financial Risk and Related Items - Borrowings - Contractual Undiscounted Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 9955578 - Disclosure - Capital Structure, Financial Risk and Related Items - Borrowings (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955579 - Disclosure - Other Disclosures - Remuneration of the Board of Directors and Executive Management (Details) link:presentationLink link:calculationLink link:definitionLink 9955580 - Disclosure - Other Disclosures - Remuneration to Board of Directors (Details) link:presentationLink link:calculationLink link:definitionLink 9955581 - Disclosure - Other Disclosures - Remuneration to Executive Management (Details) link:presentationLink link:calculationLink link:definitionLink 9955582 - Disclosure - Other Disclosures - Severance Payments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955583 - Disclosure - Other Disclosures - Commitments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955584 - Disclosure - Other Disclosures - Fees to Auditors Appointed at the Annual General Meeting (Details) link:presentationLink link:calculationLink link:definitionLink 9955585 - Disclosure - Other Disclosures - Fees to Auditors Appointed at the Annual General Meeting (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955586 - Disclosure - Other Disclosures - Acquisition Merus NV (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955587 - Disclosure - Other Disclosures - Acquisitions Merus NV - Schedule of Total Consideration of Acquisition of Merus (Details) link:presentationLink link:calculationLink link:definitionLink 9955588 - Disclosure - Other Disclosures - Acquisitions Merus NV - Schedule of Allocation to Net Identifiable Assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955589 - Disclosure - Other Disclosures - Acquisitions ProfoundBio (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955590 - Disclosure - Other Disclosures - Acquisitions ProfoundBio - Schedule of Total Consideration of Acquisition of ProfoundBio (Details) link:presentationLink link:calculationLink link:definitionLink 9955591 - Disclosure - Other Disclosures - Acquisitions ProfoundBio - Assets Acquired and Liabilities Assumed at the Acquisition Date (Details) link:presentationLink link:calculationLink link:definitionLink 9955592 - Disclosure - Other Disclosures - Acquisitions ProfoundBio - Expenses Associated with the Acquisition and Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955593 - Disclosure - Other Disclosures - Acquisitions ProfoundBio - Consolidated Revenue and Net Profit for 2024 (Details) link:presentationLink link:calculationLink link:definitionLink 9955594 - Disclosure - Other Disclosures - Acquisitions ProfoundBio - Consolidated Revenue and Net Profit for 2024 (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955595 - Disclosure - Other Disclosures - Collaborations and Licenses (Details) link:presentationLink link:calculationLink link:definitionLink 9955596 - Disclosure - Other Disclosures - Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink