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Employee Benefits (Details 1) - CLP ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals $ 33,935,007 $ 27,356,205
Vacations [Member]    
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals 14,381,033 11,500,170
Bonus and compensation [Member]    
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals $ 19,553,974 $ 15,856,035