v3.26.1
Financial assets at fair value through profit or loss - Additional information (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Financial assets at fair value through profit or loss    
Financial assets held for trading € 6,902 € 6,439
Financial assets at fair value through profit or loss    
Financial assets at fair value through profit or loss    
Fair value 6,991  
Financial assets at fair value through profit or loss | Level 1    
Financial assets at fair value through profit or loss    
Fair value 6,297  
Financial assets at fair value through profit or loss | Level 2    
Financial assets at fair value through profit or loss    
Fair value 605  
Financial assets held for trading    
Financial assets at fair value through profit or loss    
Fair value 6,902  
Financial assets held for trading | Quoted bonds issued by sovereign states    
Financial assets at fair value through profit or loss    
Fair value 734  
Financial assets held for trading | Quoted bonds issued by sovereign states | Fixed rate    
Financial assets at fair value through profit or loss    
Fair value 727  
Financial assets held for trading | Quoted bonds issued by sovereign states | Fixed rate | Other    
Financial assets at fair value through profit or loss    
Fair value 124  
Individual amount limit to be included in other related parties 50  
Securities lending    
Financial assets at fair value through profit or loss    
Financial assets held for trading € 579 € 738