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Cover Page
 12 Months Ended
Dec. 31, 2022
shares
Document Information [Line Items]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2022
Document Fiscal Year Focus 2022
Document Fiscal Period Focus FY
Entity Interactive Data Current Yes
Entity Registrant Name UNITED BREWERIES CO INC
Entity Central Index Key 0000888746
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 369,502,872
Entity Shell Company false
Entity Emerging Growth Company false
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Document Registration Statement false
Document Accounting Standard International Financial Reporting Standards
ICFR Auditor Attestation Flag true
Entity Address, Address Line One Vitacura 2670
Entity Address, Address Line Two Twenty-Third Floor
Entity Address, City or Town Santiago
Entity File Number 0-20486
Entity Incorporation, State or Country Code F3
Entity Address, Country CL
Entity Address, Postal Zip Code 7550098
Auditor Name PricewaterhouseCoopers Consultores, Auditores y Compañía Limitada
Auditor Firm ID 1364
Auditor Location Avenida Andrés Bello 2711, piso 5, Las Condes, Santiago, Chile
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Address Line One Vitacura 2670
Entity Address, Address Line Two Twenty-Third Floor
Entity Address, City or Town Santiago
Contact Personnel Name Felipe Dubernet
Contact Personnel Email Address fdubern@ccu.cl
City Area Code 562
Local Phone Number 24273536
Entity Address, Country CL
Entity Address, Postal Zip Code 7550098
ADS [Member]  
Document Information [Line Items]  
Trading Symbol CCU
Title of 12(b) Security American Depositary Shares, each representing two shares of our Common Stock, without par value
Security Exchange Name NYSE
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common Stock
Security Exchange Name NYSE
No Trading Symbol Flag true