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Right of use assets and Lease liabilities (Details Textual)
CLF in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2004
CLF
Mar. 17, 2020
CLP ($)
Feb. 18, 2020
CLP ($)
Feb. 28, 2018
CLF
Dec. 31, 2017
CLF
Jun. 28, 2007
Disclosure Of Right Of Use Assets And Lease Liabilities [Line Items]            
Notional amount | $   $ 3,000,000 $ 2,000,000      
Compania de Seguros de Vida Consorcio Nacional de Seguros S.A [Member]            
Disclosure Of Right Of Use Assets And Lease Liabilities [Line Items]            
Other liabilities         CLF 10,403,632  
Compania Cervecerias Unidas S.A. [Member] | Compania de Seguros de Vida Consorcio Nacional de Seguros S.A [Member]            
Disclosure Of Right Of Use Assets And Lease Liabilities [Line Items]            
Borrowings, interest rate       2.59%    
Notional amount       CLF 608,375    
Gain loss on building portion not leased CLF 3,108,950          
Deferred liability on building portion not leased CLF 2,276,677          
Compania Cervecerias Unidas S.A. [Member] | Compania de Seguros de Vida Consorcio Nacional de Seguros S.A [Member] | Lease liabilities [member]            
Disclosure Of Right Of Use Assets And Lease Liabilities [Line Items]            
Borrowings, interest rate           7.07%