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Contingencies and Commitments (Details Textual) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of commitments and contingent liabilities [Abstract]      
Capital commitments $ 131,440,422 $ 125,765,480 $ 128,883,425
Explanation about the presentation of significant legal proceedings all those present a possible risk of occurrence and causes whose committed amounts, individually, are more than ThCh$ 25,000.    
Legal proceedings provision $ 893,631 $ 1,300,695