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Other Operating Expenses (Tables)
 12 Months Ended
Dec. 31, 2021
Disclosure of other operating expense [text block] [Abstract]  
Schedule of other operating expenses
   2019   2020   2021 
   MCh$   MCh$   MCh$ 
Provisions and expenses for assets received in lieu of payment               
Charge-off assets received in lieu of payment   
—
    
—
    418 
Expenses to maintain assets received in lieu of payment   1,225    1,021    813 
Provisions for assets received in lieu of payment   3,246    1,539    205 
Subtotal   4,471    2,560    1,436 
                
Provisions for contingencies               
Country risk provisions   
—
    
—
    
—
 
Other provisions   33    7    398 
Subtotal   33    7    398 
                
Other expenses               
Write-offs for operating risks   5,586    10,625    13,957 
Leasings operational expenses   5,111    5,430    5,346 
Correspondent banks   1,569    1,804    2,614 
Card administration   2,490    2,599    2,098 
Expenses for charge-off leased assets recoveries   1,072    597    1,038 
Others   3,518    3,055    3,468 
Subtotal   19,346    24,110    28,521 
                
Total   23,850    26,677    30,355