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Employee Benefits (Details 1) - CLP ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals $ 27,356,205 $ 31,600,044
Vacation [Member]    
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals 11,500,170 10,518,298
Bonus and compensation [Member]    
Disclosure Of Employee Benefits [Line Items]    
Short-term employee benefits accruals $ 15,856,035 $ 21,081,746