v3.26.1
Other Assets and Receivables - Summary of Accrued Income (Detail) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure Of Other Assets And Receivables [abstract]    
Accrued interest € 700 € 812
Accrued income 700 812
Current € 700 € 812