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Accounts and transactions with related parties (Details Textual)
$ in Thousands
 12 Months Ended
Aug. 28, 2020
CLP ($)
shares
Aug. 28, 2020
USD ($)
shares
May 30, 2019
Apr. 11, 2018
CLF ( )
Apr. 11, 2018
USD ($)
Dec. 31, 2020
CLP ($)
Dec. 31, 2019
CLP ($)
Dec. 31, 2018
CLP ($)
Statement [Line Items]                
Explanation of terms and conditions of outstanding balances for related party transaction           (3) An agreement of the subsidiary Compañía Pisquera de Chile S.A. with Cooperativa Agrícola Control Pisquero de Elqui y Limarí Ltda. due to differences resulting from the capital contributions made by the latter. It establishes a 3% annual interest over capital, with annual payments to be made in eight instalments of UF 1,124 each. Beginning February 28, 2007 and UF 9,995 bullet payment at the last contribution date. In accordance with the contract, Cooperativa Agrícola Control Pisquero de Elqui y Limarí Ltda. renewed the contract for a period of nine years with maturing in the year 2023. Consequently, the UF 9,995 will be paid in nine equal and successive instalments of UF 1,200 each and a final payment of UF 2,050, beginning on February 28, 2015. (4) An agreement of the supply of grapes between the subsidiary Compañía Pisquera de Chile S.A. and Cooperativa Agrícola Control Pisquero de Elqui y Limarí Ltda. These contracts stipulate a 3% annual interest on the capital with a term of eight years and annual payments. The last payment was paid on May 30, 2020.    
Directors' remuneration expense         $ 100      
Expenses For Monthly Attendance Fee To Chairman |       200        
Key management personnel compensation           $ 6,701,955 $ 7,993,975 $ 7,308,365
Business Operations Basis Spread Percentage           3.00%    
Cervecera Guayacn Spa [Member]                
Statement [Line Items]                
Business Operations Basis Spread Percentage     0.78%          
Cerverica Czot Spa [Member] | Representaciones Chile Beer Kevin Michael Szot [Member]                
Statement [Line Items]                
Business Operations Basis Spread Percentage 3.79% 3.79%            
Disposal Of Shares In Subsidiary Shares | shares 15,167 15,167            
Disposal Of Shares In Subsidiary Value $ 42,506 $ 42,506,000