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Employee Benefits (Details 6) - CLP ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure of Employee benefits [Abstract]    
1% increase in the Discount Rate (Gain) $ 2,126,263 $ 1,623,794
1% decrease in the Discount Rate (Loss) $ (2,479,498) $ (1,880,258)