v3.25.2
Equity - Summary of equity (Details) - EUR (€)
€ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Share capital and share premium        
            -  Share capital € 31 € 31    
            -  Share premium 17,116 17,116    
Total share capital and share premium 17,148 17,148    
Other reserves        
Revaluation reserve: Cash flow hedge (1,199) (1,693)    
Revaluation reserve: Credit liability (20) (15)    
Revaluation reserve: Property in own use 146 161    
Net defined benefit asset/liability remeasurement reserve (341) (333)    
Currency translation reserve (2,798) (1,986)    
Share of associates and joint ventures and other reserves 2,265 2,607    
Treasury shares (2,746) (765)   € (1,994)
Non-controlling interests (3,158) (687)    
Retained earnings 38,300 36,243    
Shareholders’ equity (parent) 52,290 52,703 € 54,689  
Non-controlling interests 1,031 995    
Total equity 53,321 53,698 € 55,505 € 55,628
Equity securities at FVOCI        
Other reserves        
Revaluation reserve: Equity securities and Debt instruments at FVOCI 1,838 1,816    
Debt instruments at FVOCI        
Other reserves        
Revaluation reserve: Equity securities and Debt instruments at FVOCI € (302) € (479)