v3.26.1
Taxation - Deferred tax assets and liabilities, others (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Deferred tax assets and liabilities    
Unrecognized deferred tax assets € 74.0 € 125.0
Unrecognized deferred tax on investments in subsidiaries 75.0 80.0
MAP recognized a current tax asset 18.0  
Uncertain tax treatments € 180.0 137.0
Spain    
Deferred tax assets and liabilities    
Tax deduction maturity term 18 years  
Estimated period for application of entire amount of tax deduction 5 years  
Uncertain tax treatments € 47.0  
Tax rate (as a percent) 25.00%  
US    
Deferred tax assets and liabilities    
Tax years subject to examination 3 years  
Tax rate (as a percent) 22.00%  
Germany    
Deferred tax assets and liabilities    
Tax years subject to examination 4 years  
Ireland    
Deferred tax assets and liabilities    
Tax rate (as a percent) 12.50%  
Additional taxation impact   € 6.0
Hong Kong    
Deferred tax assets and liabilities    
Additional taxation impact € 0.2