XML 156 R131.htm IDEA: XBRL DOCUMENT
v3.21.1

Trade and other receivables, net - Additional information (Details) - USD ($) | Sep. 05, 2019 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Disclosure of Trade and other receivables, net [Line Items] |  |  |
Expense arising from insurance contracts | $ 21,023,000 |  |
Sociedad Minera Cerro Verde S.A.A. [Member] |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |
Current payables for purchase of non-current assets |  | $ 12,400,000 | $ 30,300,000

X
- Definition Trade and other receivables, net + References No definition available. + Details
Name: | bvn_DisclosureOfTradeAndOtherReceivablesNetLineItems
Namespace Prefix: | bvn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of current payables for the purchase of non-current assets. [Refer: Payables for purchase of non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 78 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_78&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_CurrentPayablesForPurchaseOfNoncurrentAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of expense arising from insurance contracts. [Refer: Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 4 -IssueDate 2020-01-01 -Paragraph 37 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2020-en-b&anchor=para_37_b&doctype=Standard&book=b -URIDate 2020-01-01 + Details
Name: | ifrs-full_ExpenseArisingFromInsuranceContracts
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_SociedadMineraCerroVerdeSaaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |