v3.25.4
Structured entities - Additional information (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2013
Disclosure of information about consolidated structured entities [line items]      
Transfer of financial assets     € 2,000
Fee income recognised € 21 € 20  
Outstanding amount in portfolio 1,002,947 961,863  
Credit notes held by third parties | Credit risk      
Disclosure of information about consolidated structured entities [line items]      
Maximum exposure to loss from interests in structured entities 676 0  
Corporate Lending | Credit risk      
Disclosure of information about consolidated structured entities [line items]      
Outstanding amount in portfolio 10,000 0  
Combined interest and FX rate risk      
Disclosure of information about consolidated structured entities [line items]      
Fee income recognised 1 1  
Mont Blanc      
Disclosure of information about consolidated structured entities [line items]      
Undrawn borrowing facilities 4,800 3,119  
Borrowing facility 0 0  
Total for all consolidated structured entities | Securitisations      
Disclosure of information about consolidated structured entities [line items]      
Securitisations 76,000 74,000  
Securitisation, issued externally | Securitisations      
Disclosure of information about consolidated structured entities [line items]      
Securitisations € 4,000 € 4,000