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Inventories (Details Textual) - CLP ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of Inventories [Abstract] |  |  |
Cost of inventories recognised as expense during period | $ 1,962,689 | $ 3,296,095 | $ 2,981,075

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Namespace Prefix: | ccu_
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Balance Type: | na
Period Type: | duration

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- Definition The amount of inventories recognised as an expense during the period. [Refer: Inventories] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 2 -IssueDate 2019-01-01 -Paragraph 36 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=2&code=ifrs-tx-2019-en-r&anchor=para_36_d&doctype=Standard -URIDate 2019-03-27 + Details
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Balance Type: | debit
Period Type: | duration