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Income taxes (Details 2) - CLP ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Income Taxes [Line Items]    
Current tax liabilities, current $ 9,064,074 $ 35,066,792
Chilean income taxes    
Income Taxes [Line Items]    
Current tax liabilities, current 2,649,908 21,256,053
Monthly provisional payments    
Income Taxes [Line Items]    
Current tax liabilities, current 5,048,222 12,699,115
Tax under Article N°21    
Income Taxes [Line Items]    
Current tax liabilities, current 244,604 66,617
Others    
Income Taxes [Line Items]    
Current tax liabilities, current $ 1,121,340 $ 1,045,007