v3.26.1
Gains or losses on financial assets and liabilities - Narrative (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Measurement of financial assets and liabilities and recognition of fair value changes      
Financial assets at fair value through profit or loss € 268,125 € 244,298 € 192,604
Liabilities designated at fair value through profit or loss at initial recognition recognised in other comprehensive income (1,281) € (1,851) € 866
Deposits      
Measurement of financial assets and liabilities and recognition of fair value changes      
Repurchase agreements, value 75,562    
Loans and advances - credit institutions and customers      
Measurement of financial assets and liabilities and recognition of fair value changes      
Reverse repurchase agreements 71,129    
Mortgage backed assets 1,597    
Spanish and foreign government securities      
Measurement of financial assets and liabilities and recognition of fair value changes      
Financial assets at fair value through profit or loss € 80,908