v3.26.1
Property, Plant and Equipment - Self Constructed PP&E and Commitments (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Property, Plant and Equipment    
Property, plant and equipment € 3,120 € 3,342
Self-constructed Property, Plant and Equipment    
Property, Plant and Equipment    
Property, plant and equipment € 74 € 63