v3.25.4
Debt securities - Summary of securities (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
- Debt securities      
Disclosure of financial assets [line items]      
Financial assets € 115,903 € 108,078  
Debt securities at fair value through other comprehensive income      
Disclosure of financial assets [line items]      
Financial assets 56,662 46,389 € 41,116
Debt securities at fair value through other comprehensive income | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 50,817 42,219  
Debt securities at amortised cost | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 53,867 50,273  
Total debt securities at fair value through other comprehensive income and amortised cost | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 104,684 92,493  
Trading assets | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 8,120 10,080  
Debt securities designated and measured at fair value through profit or loss | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 2,330 4,718  
Debt securities mandatorily measured at fair value through profit or loss | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets 769 789  
Total debt securities at fair value through profit or loss | - Debt securities      
Disclosure of financial assets [line items]      
Financial assets € 11,219 € 15,586