v3.25.2
Notes to the interim condensed consolidated statement of financial position - Royalty Certificates liabilities (Details) - EUR (€)
€ in Millions
Jul. 18, 2024
Jun. 30, 2025
Dec. 31, 2024
Aug. 31, 2023
2023 Royalty Certificates        
Disclosure of detailed information about borrowings [line items]        
Notional amount       € 5.1
Borrowings   € 9.2 € 8.1 € 5.1
Royalty certificates, effective interest rate   31.90%    
2024 Royalty Certificates        
Disclosure of detailed information about borrowings [line items]        
Notional amount € 20.1      
Borrowings 19.7 € 24.2 € 21.2  
Payments for debt issue costs € 0.5      
Royalty certificates, effective interest rate   30.50%