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Expenses from salaries and employee benefits (Tables)
 12 Months Ended
Dec. 31, 2022
Expenses from salaries and employee benefits [Abstract]  
Schedule of expense for employee benefit obligation
   2022   2021   2020 
   MCh$   MCh$   MCh$ 
             
Expenses for short-term employee benefit   491,696    427,434    383,078 
Expenses for employee benefits due to termination of employment contract   27,381    16,221    22,994 
Training expenses   2,596    1,956    1,832 
Expenses for nursery and kindergarten   1,403    1,536    1,518 
Other personnel expenses   5,150    3,805    47,754 
Total   528,226    450,952    457,176