v3.26.1
Notes to the Consolidated Statements of Financial Position - Schedule of Senior Management Oversees The Management of These Risks (Details)
12 Months Ended
Dec. 31, 2025
Market risk [Member]  
Schedule of Senior Management Oversees the Management of Risks [Line Items]  
Exposure Future development costs; Recognized financial assets and liabilities not denominated in Euro
Measurement Forecasted cash flows Sensitivity analysis
Risk Management Achievement of a natural hedge in the future
Credit risk [Member]  
Schedule of Senior Management Oversees the Management of Risks [Line Items]  
Exposure Cash and cash equivalents, current and non-current financial assets
Measurement Credit rating
Risk Management Diversification of bank deposits, Investment guidelines for debt investments
Liquidity [Member]  
Schedule of Senior Management Oversees the Management of Risks [Line Items]  
Exposure R&D and G&A cost, equity, trade and other payables
Measurement Rolling cash flow forecast
Risk Management Availability of funds through financing rounds or public offerings