v3.26.1
Loans and advances to customers - Schedule of the breakdown of the securitized loans (Details) - Securitized loans and loans and advances to customers - EUR (€)
€ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of transferred financial assets that are not derecognised in their entirety [line items]      
Securitized loans retained on the balance sheet € 80,072 € 80,824 € 75,738
Securitised mortgage assets      
Disclosure of transferred financial assets that are not derecognised in their entirety [line items]      
Securitized loans retained on the balance sheet 19,640 17,782 16,994
Securitised mortgage assets | United Kingdom      
Disclosure of transferred financial assets that are not derecognised in their entirety [line items]      
Securitized loans retained on the balance sheet 10,236 9,034 6,096
Other securitised assets      
Disclosure of transferred financial assets that are not derecognised in their entirety [line items]      
Securitized loans retained on the balance sheet € 60,432 € 63,042 € 58,744