v3.26.1
Financial risk management - Financial assets held at fair value through profit or loss (Details) - Expected Sales [member] - Contingent receivable [member]
12 Months Ended
Dec. 31, 2025
EUR (€)
Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items]  
Percentage increase in expected sales 15.00%
Percentage decrease in expected sales 15.00%
Increase in total contingent receivable € 15,900,000
Decrease in total contingent receivable € (13,800,000)