v3.26.1
Employee Benefits - Equity-settled share-based payment plan (Details) - Equity-settled share-based payment plan
Dec. 31, 2025
EUR (€)
shares
Options
Stock options settled by 2025  
Employee Benefits  
Unit fair value, options € 3.05
Number of share options outstanding in share-based payment arrangement | Options 956,000
Stock options settled by 2027  
Employee Benefits  
Unit fair value, options € 2.85
Number of share options outstanding in share-based payment arrangement | Options 1,458,000
Restricted Stock Units Settled by 31/12/2026, One  
Employee Benefits  
Unit fair value, other equity instruments € 1.08
Number of other equity instruments outstanding in share-based payment arrangement | shares 700,000
Restricted Stock Units Settled by 31/12/2026, Two  
Employee Benefits  
Unit fair value, other equity instruments € 2.19
Number of other equity instruments outstanding in share-based payment arrangement | shares 270,000