v3.26.1
Non-controlling interests - Schedule of changes in non-controlling interests (Details) - EUR (€)
€ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 02, 2025
Sep. 10, 2024
Non-controlling interests          
Equity at beginning of period € 107,327 € 104,241 € 97,585    
Other comprehensive income 13,642 11,405 12,797    
Profit attributable to non-controlling interests 1,399 1,170 1,107    
Change of perimeter (5) (8) (364)    
Equity at end of period 112,748 107,327 104,241    
Santander Bank Polska S.A.          
Non-controlling interests          
Profit attributable to non-controlling interests 604 413 347    
Percentage of share capital       3.50% 5.20%
Non-Controlling interest          
Non-controlling interests          
Equity at beginning of period 8,726 8,818 8,481    
Equity at end of period 9,578 8,726 8,818    
Non-controlling interest, other comprehensive income          
Non-controlling interests          
Other comprehensive income 73 (461) 297    
Non-controlling interest, other elements          
Non-controlling interests          
Other 779 369 40    
Profit attributable to non-controlling interests 1,399 1,170 1,107    
Modification of participation rates 339 395 (258)    
Change of perimeter (5) (8) (364)    
Dividends paid to minority shareholders (896) (660) (748)    
Changes in capital and others concepts € (58) (528) € 303    
Fixed Rate Reset Perpetual AT1 Capital Securities          
Non-controlling interests          
Amortisation of other equity instruments   € 590