v3.26.1
Note 26 Retained earnings and other reserves (Details) - EUR (€)
€ in Millions
Jun. 30, 2026
Dec. 31, 2025
Disclosure of Retained earnings and other reserves [Line Items]    
Retained earnings € 51,441 € 46,346
Other reserves (600) 203
Total retained earnings revaluation reserves and other reserves € 50,840 € 46,550