XML 304 R247.htm IDEA: XBRL DOCUMENT v3.25.0.1
Fair value of assets and liabilities - Sensitivity analysis of level 3 instruments (Details) - Level 3 - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Disclosure of fair value measurement of assets [line items]    
Positive fair value movements from using reasonable possible alternatives € 28 € 69
Negative fair value movements from using reasonable possible alternatives (47) (80)
Financial assets at fair value through profit or loss | Equity (equity derivatives, structured notes)    
Disclosure of fair value measurement of assets [line items]    
Positive fair value movements from using reasonable possible alternatives 21 18
Negative fair value movements from using reasonable possible alternatives (20) (9)
Financial assets at fair value through profit or loss | Interest rates (Rates derivatives, FX derivatives)    
Disclosure of fair value measurement of assets [line items]    
Positive fair value movements from using reasonable possible alternatives 5 3
Negative fair value movements from using reasonable possible alternatives 0 0
Financial assets at fair value through profit or loss | Credit (Debt securities, Loans, structured notes, credit derivatives)    
Disclosure of fair value measurement of assets [line items]    
Positive fair value movements from using reasonable possible alternatives 2 45
Negative fair value movements from using reasonable possible alternatives (27) (54)
Financial assets at fair value through profit or loss | Loans and advances    
Disclosure of fair value measurement of assets [line items]    
Positive fair value movements from using reasonable possible alternatives 0 3
Negative fair value movements from using reasonable possible alternatives € 0 € (17)