v3.26.1
Intangible assets - Other intangible assets - Narrative (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Intangible assets other than goodwill [abstract]      
Impairment losses € 108 € 227 € 53