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Fee and commission income
 12 Months Ended
Dec. 31, 2025
Fee and commission income [abstract]  
Fee and commission income Fee and commission income
202520242023
Linked to credit cards463,057,688 352,594,809 334,058,009 
Linked to deposits and other233,022,865 203,535,200 241,575,652 
Linked to loans and other89,122,870 78,575,023 73,679,635 
From foreign currency transactions32,549,075 34,152,439 31,038,074 
Insurance agent fees31,443,824 26,019,023 27,601,275 
Linked to securities21,532,541 25,421,570 19,174,761 
Fees linked to loan commitments2,425,110 1,106,426 1,167,201 
From guarantees granted350,199 583,329 302,109 
                                                        TOTAL873,504,172 721,987,819 728,596,716