v3.26.1
Income and deferred tax - Additional information (Details) - EUR (€)
€ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Income and deferred tax      
Tax rate 32.28% 32.28% 32.28%
Deferred tax assets recognized for subsidiaries that incurred losses during current or prior financial year € 2,949 € 16,632  
Minimum | Domestic      
Income and deferred tax      
Tax rate 31.00%    
Minimum | Foreign      
Income and deferred tax      
Tax rate 17.00%    
Maximum | Domestic      
Income and deferred tax      
Tax rate 32.00%    
Maximum | Foreign      
Income and deferred tax      
Tax rate 28.00%