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Fee and commission expense
 12 Months Ended
Dec. 31, 2025
Fee and commission expense [abstract]  
Fee and commission expense Fee and commission expense
202520242023
For credit and debit cards199,282,212 175,131,305 188,721,046 
For foreign trade transactions83,104,463 81,365,404 53,017,161 
For payment of wages29,166,195 32,622,130 32,592,700 
For new channels18,180,048 24,872,539 17,303,981 
For data processing11,495,555 15,446,484 12,548,826 
For advertising campaigns1,889,796 867,973 2,903,904 
Linked to transactions with securities931,041 169,823 193,133 
Other commission expenses20,433,639 19,779,306 23,260,789 
                                                        TOTAL364,482,949 350,254,964 330,541,540