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Goodwill (Details) - CLP ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Jan. 01, 2018
Intangible assets and goodwill [Line Items]      
Goodwill $ 124,955,438 $ 123,044,901 $ 94,617,474
Additions for business combination 306,691 10,832,577  
Other increases (decreases) 9,153,712 21,881,066  
Conversion effect (7,549,866) (4,286,216)  
Changes 1,910,537 28,427,427  
Gross carrying amount [member]      
Intangible assets and goodwill [Line Items]      
Goodwill $ 124,955,438 $ 123,044,901 $ 94,617,474