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OTHER EXPENSES BY FUNCTION (Details) - CLP ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
OTHER EXPENSES BY FUNCTION      
Contingencies and non-operating fees $ 6,316,102 $ (7,950,093) $ (1,081,812)
Tax on bank debts and other bank expenses (7,150,739) (5,270,040) (3,367,615)
Write-offs, disposals and loss of property, plant and equipment   417,623 7,972,976
Others (51,694) (1,574,034) (5,007,853)
Total $ (886,331) $ (15,211,790) $ (17,430,256)