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Goodwill (Details) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Intangible assets and goodwill [Line Items]      
Goodwill $ 117,190,763 $ 124,955,438 $ 124,955,438
Additions for business combination   306,691  
Other increases (decreases) 6,243,023 9,153,712  
Impairment of the year (3,401,430)    
Conversion effect (10,606,268) (7,549,866)  
Changes (7,764,675) 1,910,537  
Gross carrying amount [member]      
Intangible assets and goodwill [Line Items]      
Goodwill $ 117,190,763 $ 124,955,438 $ 123,044,901