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Investments accounted for using equity method (Details 4) - CLP ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Investments Accounted For Using Equity Method [Line Items]    
Current assets $ 960,006,128 $ 789,281,758
Non-current assets 1,565,330,404 1,564,408,956
Current liabilities 521,524,086 483,281,996
Non-current liabilities 594,993,771 427,481,495
Joint ventures [member]    
Disclosure Of Investments Accounted For Using Equity Method [Line Items]    
Current assets 86,429,862 135,905,220
Non-current assets 290,767,946 319,779,443
Current liabilities 58,255,727 122,826,437
Non-current liabilities $ 62,082,064 $ 65,850,124