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Income taxes (Details) - CLP ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
IfrsStatementLineItems [Line Items]    
Taxes receivables $ 28,786,247 $ 46,707,525
Refundables Tax Previous Year [Member]    
IfrsStatementLineItems [Line Items]    
Taxes receivables 7,124,688 2,566,562
Tax Payments In Advance [Member]    
IfrsStatementLineItems [Line Items]    
Taxes receivables 20,322,040 34,996,163
Benefits For Tax Losses [Member]    
IfrsStatementLineItems [Line Items]    
Taxes receivables 764,712 8,545,035
Other Credits [Member]    
IfrsStatementLineItems [Line Items]    
Taxes receivables $ 574,807 $ 599,765