The percentage represents accounts receivable percentage in total trade accounts receivable.

No definition available.

Name:	ccu_AccountsReceivablePercentageInTotalTradeAccountsReceivable
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The impact of direct cost change on loss (income) before tax.

+ References

No definition available.

+ Details

Name:	ccu_ChangeInDirectCostsImpactOnLossIncomeBeforeTax
Namespace Prefix:	ccu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of cost of cans includes in direct costs.

+ References

No definition available.

+ Details

Name:	ccu_CostOfCansPercentageInDirectCosts
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the credit exposure percentage on total other financial liabilities.

+ References

No definition available.

+ Details

Name:	ccu_CreditExposurePercentageOnTotalOtherFinancialLiabilities
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the credit insurance coverage rate.

+ References

No definition available.

+ Details

Name:	ccu_CreditInsuranceCoverageRate
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the credit insurance coverage rate for individual accounts receivable.

+ References

No definition available.

+ Details

Name:	ccu_CreditInsuranceCoverageRateForIndividualAccountsReceivable
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the credit insurance coverage rate.

+ References

No definition available.

+ Details

Name:	ccu_CreditInsuranceCoverageRateForTotalTradeAccountsReceivable
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The credit worthiness percentage based on which the company sold its product.

+ References

No definition available.

+ Details

Name:	ccu_CreditWorthinessPercentage
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage representing debt classification.

+ References

No definition available.

+ Details

Name:	ccu_DebtClassificationPercentage
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The description of trade receivable structure in entity.

+ References

No definition available.

+ Details

Name:	ccu_DescriptionOfTradeReceivableStructureInEntity
Namespace Prefix:	ccu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The hypothetical effect of gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, net of tax.

+ References

No definition available.

+ Details

Name:	ccu_GainLossOnExchangeDifferenceNetOfTaxhypotheticalEffectOnNetIncome
Namespace Prefix:	ccu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of income from indexation units recognized during the period.

+ References

No definition available.

+ Details

Name:	ccu_IncomeFromIndexationUnits
Namespace Prefix:	ccu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the inflation risk impact on net income (loss).

+ References

No definition available.

+ Details

Name:	ccu_InflationRiskImpactOnNetIncomeLoss
Namespace Prefix:	ccu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Malt percentage in direct cost.

+ References

No definition available.

+ Details

Name:	ccu_MaltPercentageInDirectCost
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the percentage change in monetary units.

+ References

No definition available.

+ Details

Name:	ccu_PercentageChangeInMonetaryUnits
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage increase (decrease) in exchange rate.

+ References

No definition available.

+ Details

Name:	ccu_PercentageIncreaseDecreaseInExchangeRate
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage representing debt classified after considering the effect of interest rates and currency swaps.

+ References

No definition available.

+ Details

Name:	ccu_PercentageOfDebtAfterConsideringEffectOfInterestRatesAndCurrencySwaps
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of entity's total cost.

+ References

No definition available.

+ Details

Name:	ccu_PercentageOfEntityTotalCosts
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of grape needs acquire form long-term agreements.

+ References

No definition available.

+ Details

Name:	ccu_PercentageOfGrapeNeedsAcquireFromLongtermAgreements
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of raw material includes in direct costs.

+ References

No definition available.

+ Details

Name:	ccu_RawMaterialPercentageInDirectCosts
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	ccu_StatementLineItems
Namespace Prefix:	ccu_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of wine cost included in direct costs

+ References

No definition available.

+ Details

Name:	ccu_WineCostPercentageInDirectCosts
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of wine supply comes from own vineyards..

+ References

No definition available.

+ Details

Name:	ccu_WineSupplyPercentageFromOwnVineyards
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of wine supply comes from third party.

+ References

No definition available.

+ Details

Name:	ccu_WineSupplyPercentageFromThirdParty
Namespace Prefix:	ccu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_55&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_Borrowings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of cost of sales attributed to food and beverage. [Refer: Cost of sales]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_CostOfSalesFoodAndBeverage
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of exposure to loss resulting from credit risk. [Refer: Credit risk [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph IG24
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG24_a&doctype=Implementation%20Guidance&book=b
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph IG25
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_IG25_b&doctype=Implementation%20Guidance&book=b
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Note Expiry date 2023-01-01
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 36
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_c&doctype=Standard&book=b
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_CreditExposure
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of costs associated with financing activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 82
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_b&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_FinanceCosts
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 25
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 35H
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H&doctype=Standard
-URIDate 2021-03-24

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 35I
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I&doctype=Standard
-URIDate 2021-03-24

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 35M
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M&doctype=Standard
-URIDate 2021-03-24

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2021-01-01
-Paragraph 35N
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35N&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_FinancialAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, before tax, before reclassification adjustments. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 91
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_b&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The gains (losses) recognised in other comprehensive income on exchange differences on the translation of financial statements of foreign operations, net of tax, before reclassification adjustments. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 91
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_91_a&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationNetOfTax
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of exchange differences recognised in profit or loss that arise from foreign currency transactions, excluding those arising on financial instruments measured at fair value through profit or loss in accordance with IFRS 9. [Refer: At fair value [member]; Financial instruments, class [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2021-01-01
-Paragraph 52
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_a&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 35
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_35&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Associates [member]; Joint ventures [member]; Subsidiaries [member]; Investments in subsidiaries reported in separate financial statements]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 27
-IssueDate 2021-01-01
-Paragraph 10
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2021-en-r&anchor=para_10&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of financial liabilities that the entity does not separately disclose in the same statement or note. [Refer: Financial liabilities]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph m
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_m&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_OtherFinancialLiabilities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The percentage of the entity's revenue. [Refer: Revenue]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 8
-IssueDate 2021-01-01
-Paragraph 34
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2021-en-r&anchor=para_34&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_PercentageOfEntitysRevenue
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The profit (loss) from operating activities of the entity. [Refer: Profit (loss)]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 32
-IssueDate 2021-01-01
-Paragraph IE33
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=32&code=ifrs-tx-2021-en-r&anchor=para_IE33&doctype=Illustrative%20Examples
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 85
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_85&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ProfitLossFromOperatingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of liabilities of uncertain timing or amount, including provisions for employee benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 54
-Subparagraph l
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_l&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_Provisions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 21
-IssueDate 2021-01-01
-Paragraph 52
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=21&code=ifrs-tx-2021-en-r&anchor=para_52_b&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_ReserveOfExchangeDifferencesOnTranslation
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=srt_SubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ifrs-full_AssociatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ifrs-full_JointVenturesWhereEntityIsVenturerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ccu_ForeignSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_CL
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ccu_ClassesOfCurrencyAxis=ccu_ArgentinePesoAndParauayanGuaraniMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ccu_ClassesOfCurrencyAxis=ccu_UsDollarMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=ifrs-full_CountryOfDomicileMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ccu_ClassesOfCurrencyAxis=ccu_ChileanPesosMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ccu_ClassesOfCurrencyAxis=ccu_UnidadesDeFomentoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ccu_ExchangeRateSensitivityAnalysisMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ccu_InflationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ccu_RawMaterialPriceRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=ccu_VinaSanPedroTarapacaSaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=ccu_InternationalBusinessOperatingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=ccu_WineOperaingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ccu_SupplierNameAxis=ccu_ThirdPatyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_SegmentsAxis=ccu_ChileOperatingSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_TypesOfRisksAxis=ifrs-full_CommodityPriceRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Risk Administration (Details Textual) - CLP ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement [Line Items]
Other financial liabilities	$ 490,457,495	$ 315,818,562	$ 270,635,594
Financial assets	$ 702,880,150	$ 703,249,231
Percentage of entitys revenue	29.60%	33.40%
Percentage Of Entity Total Costs	63.00%	62.00%	64.00%
Foreign exchange gain (loss)	$ (10,149,345)	$ 2,551,823	$ (9,054,155)
Percentage Increase Decrease In Exchange Rate	10.00%
Gains (losses) on exchange differences on translation, net of tax	$ 2,168,254	4,068,855	345,986
Gain Loss On Exchange Difference Net Of Tax, Hypothetical Effect On Net Income	(34,891,134)	(22,919,408)	(27,683,581)
Profit (loss) from operating activities	330,471,299	175,180,780	233,965,051
Finance costs	35,660,493	28,714,063	27,720,203
Income From Indexation Units	$ 2,529,298	$ (429,198)	$ (8,255,001)
Cost Of Cans Percentage In Direct Costs	20.00%	19.00%	17.00%
Percentage of Grape Needs Acquire From Long-Term Agreements	15.00%	16.00%	19.00%
Wine Cost Percentage in Direct Costs	60.00%	59.00%	60.00%
Cost of sales, food and beverage	$ 1,014,092,586	$ 757,097,886	$ 694,307,741
Credit Worthiness Percentage	100.00%	99.00%
Provisions	$ 5,820,206	$ 6,323,298
Malt Percentage In Direct Cost	8.00%	7.00%	6.00%
Subsidiaries [Member]
Statement [Line Items]
Investments in subsidiaries, joint ventures and associates	$ 355,274,155	$ 238,824,995
Associates [member]
Statement [Line Items]
Investments in subsidiaries, joint ventures and associates	549,401	1,337,526
Joint ventures where entity is venturer [member]
Statement [Line Items]
Investments in subsidiaries, joint ventures and associates	125,296,382	119,777,994
Foreign Subsidiaries [Member]
Statement [Line Items]
Profit (loss) from operating activities	$ 56,990,988	$ 963,321	$ 20,517,569
CHILE
Statement [Line Items]
Percentage of entitys revenue	5.00%	7.00%	7.00%
Argentine Peso And Parauayan Guarani [Member]
Statement [Line Items]
Percentage Increase Decrease In Exchange Rate	10.00%
Reserve of exchange differences on translation	$ 48,111,994	$ 35,994,052	$ 39,834,648
US Dollar [Member]
Statement [Line Items]
Percentage Increase Decrease In Exchange Rate	10.00%
Currency risk [member]
Statement [Line Items]
Credit exposure	$ 92,872,305	101,157,358
Other financial liabilities	12,405,293	29,034,945
Financial assets	$ 232,289,359	$ 195,343,807
Percentage Of Entity Total Costs	63.00%	(62.00%)	64.00%
Currency risk [member] \| Country of domicile [member]
Statement [Line Items]
Financial assets	$ 4,210,943	$ 1,451,523
Accounts Receivable Percentage In Total Trade Accounts Receivable	66.00%	70.00%
Credit Insurance Coverage Rate	85.00%	86.00%
Description Of Trade Receivable Structure In Entity	As of December 31, 2021, the Company has approximately 1,409 customers (1,405 in 2020) with more than Ch$ 10 million in debt each, which altogether represent approximately 88% (88% in 2020) of total trade accounts receivable. There are 276 customers (272 customers in 2020) with balances in excess of Ch$ 50 million each, representing approximately 78% (76% in 2020) of the total accounts receivable. The 91% (92% in 2020) of those accounts receivable are covered by credit insurance.
Currency risk [member] \| Country of domicile [member] \| Top of range [member]
Statement [Line Items]
Credit Insurance Coverage Rate	90.00%
Currency risk [member] \| Foreign countries [member]
Statement [Line Items]
Credit exposure	$ 17,526,136	$ 6,411,371
Accounts Receivable Percentage In Total Trade Accounts Receivable	12.00%	13.00%
Description Of Trade Receivable Structure In Entity	As of December 31, 2021, there were 71 customers (60 in 2020) with more than ThCh$ 65,000 of debt each, which represent 93% (88% in 2020) of VSPT´s total export market accounts receivable.
Credit Insurance Coverage Rate For Individual Accounts Receivable	96.00%	98.00%
Credit Insurance Coverage Rate For Total Trade Accounts Receivable	88.00%	89.00%
Currency risk [member] \| Chilean Pesos [Member]
Statement [Line Items]
Credit Exposure Percentage On Total Other Financial Liabilities	2.00%	6.00%
Currency risk [member] \| Unidades de Fomento [Member]
Statement [Line Items]
Credit Exposure Percentage On Total Other Financial Liabilities	98.00%	94.00%
Exchange rate sensitivity analysis [Member]
Statement [Line Items]
Gains (losses) on exchange differences on translation, before tax	$ 5,699,099	$ 96,332	$ 2,051,757
Interest Rate Risk [Member]
Statement [Line Items]
Gains (losses) on exchange differences on translation, net of tax	307,399	105,961	616,121
Interest Rate Risk [Member] \| Floating interest rate [member]
Statement [Line Items]
Borrowings	$ 0	$ 8,250,670
Debt Classification Percentage	2.00%
Interest Rate Risk [Member] \| Fixed interest rate [member]
Statement [Line Items]
Debt Classification Percentage	98.00%
Percentage of debt after considering the effect of interest rates and currency swaps	100.00%	100.00%
Inflation Risk [Member]
Statement [Line Items]
Percentage Change In Monetary Units				3.00%
Inflation Risk Impact On Net Income Loss	$ 1,672,967	$ 1,589,705	4,781,394
Income From Indexation Units	$ (2,529,298)	$ 429,198	$ (8,255,001)
Raw material price risk [Member]
Statement [Line Items]
Wine Supply Percentage From Own Vineyards	42.00%	33.00%
Wine Supply Percentage From Third Party	74.00%	80.00%
Raw material price risk [Member] \| Vina San Pedro Tarapaca S.A [Member]
Statement [Line Items]
Wine Supply Percentage From Own Vineyards	26.00%	20.00%
Wine Supply Percentage From Third Party	60.00%	65.00%	54.00%
Raw material price risk [Member] \| International Business Operating Segment [Member]
Statement [Line Items]
Cost Of Cans Percentage In Direct Costs	38.00%	36.00%	38.00%
Change In Direct Costs Impact On Loss Income Before Tax	$ 20,522,990	$ 13,698,385	$ 14,807,640
Raw material price risk [Member] \| Wine Operaing Segment [Member]
Statement [Line Items]
Change In Direct Costs Impact On Loss Income Before Tax	$ 10,139,588	$ 8,959,908	$ 8,310,433
Raw material price risk [Member] \| Wine Operaing Segment [Member] \| Third Paty [Member]
Statement [Line Items]
Wine Cost Percentage in Direct Costs	36.00%	38.00%	33.00%
Raw material price risk [Member] \| Chile operating segment [Member]
Statement [Line Items]
Change In Direct Costs Impact On Loss Income Before Tax	$ 51,992,161	$ 38,770,441	$ 33,084,911
Commodity price risk [member] \| Chile operating segment [Member]
Statement [Line Items]
Raw Material Percentage In Direct Costs	30.00%	24.00%	31.00%