v3.25.4
Structured entities - Covered bond programme (Details) - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans € 61,240 € 55,524
Dutch Covered Bond programmes    
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans 29,131 27,172
Diba Mortgage Pfandbriefe    
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans 18,811 15,050
ING Belgium Residential Pandbrieven Programme    
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans 8,986 9,024
IBAL Covered Bond    
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans 3,492 3,676
ING Bank Hipoteczny CBP    
Disclosure of information about consolidated structured entities [line items]    
Fair value pledged mortgage loans € 820 € 602