Adjustments for the increase (decrease) in the retention guarantee Adjustments for increase (decrease) in retention guarantee Property, Plant and Equipment Including Right of Use Assets Property, Plant and Equipment Including Right of Use Assets Exercise and subscription of equity instruments (number of shares) Exercise and subscription of equity instruments (number of shares) Change in number of shares [Abstract] Change in number of shares [Abstract] Finance income (cost) Disposal of current financial assets Disposal of current financial assets Cash flows from (used in) operations before changes in working capital Repayment of financial liabilities Repayment of financial liabilities Current Collaboration Liabilities Current Collaboration Liabilities Operating expense Increase (decrease) in working capital Cash flows from (used in) operating activities Non-Current Collaboration Liabilities Non-Current Collaboration Liabilities Cash flows from (used in) financing activities Change in Working Capital Adjusted Change in Working Capital Adjusted Working Capital Requirement After Retention of Guarantee Collaboration liabilities - Current and non-current portion Collaboration liabilities - Current and non-current portion Provisions for charges Provision for charges Tax Credit Retentions, CIR Net tax credit deductions, CIR Disposal of non-current financial assets Disposal of non-current financial assets Crédit d'impôt brut de rétention CIR Gross retention tax credit CIR Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans Net impact of share issues Net impact of share issues Adjustment for changes in interest provisions on financial assets Adjustment for changes in interest provisions on financial assets Exercise and subscription of equity instruments Exercise and subscription of equity instruments Adjustments for Increase (Decrease) in Current and Non-current Collaboration Liabilities Adjustments for Increase (Decrease) in Current and Non-current Collaboration Liabilities Cash flows from (used in) investing activities Actuarial Loss On Employee Benefits [member] Actuarial Loss On Employee Benefits Increase (decrease) in cash and cash equivalents after effect of exchange rate changes Depreciation and Amortisation, Excluding Financial Assets Depreciation and Amortisation, Excluding Financial Assets Number of shares issued Number of shares issued Increase (Decrease) In Working Capital Before Withholding Guarantee Increase (Decrease) In Working Capital Before Withholding Guarantee Working Capital Requirement Before Retention Guarantee Working Capital Requirement Before Retention Guarantee Change in cash and cash equivalents [Abstract] Change in cash and cash equivalents [Abstract]