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Trade and other receivables, net - Movement of allowance for expected credit losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Available for Sale Assets Explanatory [Abstract] |  |  |
Beginning balance | $ 30,897 | $ 31,845 | $ 32,022
Provision for other receivables, note 28(a) | 253 | 409 | 4
Provision for trade receivables, note 25 | 0 | 0 | 126
Provision of the year | 253 | 409 | 130
Write off during the year | (4,709) | (1,160) | 0
Exchange difference | (59) | (197) | (307)
Final balance | 26,382 | 30,897 | 31,845
Trade receivables | 22,276 | 22,276 | 22,128
Other receivables | $ 4,106 | $ 8,621 | $ 9,717

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- Definition Represents the valuation allowance for receivables due a company that are expected to be uncollectible. + References No definition available. + Details
Name: | bvn_AllowanceForDoubtfulAccounts
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of allowance of receivables classified as other receivables. + References No definition available. + Details
Name: | bvn_AllowanceForDoubtfulOtherReceivables
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of allowance of receivables classified as trade receivables. + References No definition available. + Details
Name: | bvn_AllowanceForDoubtfulTradeReceivables
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | bvn_DisclosureOfAvailableForSaleAssetsExplanatoryAbstract
Namespace Prefix: | bvn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition It represents of Provision of other receivables + References No definition available. + Details
Name: | bvn_ProvisionForOtherReceivables
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition It represents of provision of trade receivables. + References No definition available. + Details
Name: | bvn_ProvisionForTradeReceivables
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of additional allowance for credit losses of financial assets recognised in profit or loss. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
Name: | ifrs-full_AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in the allowance account for credit losses of financial assets resulting from adjustments arising from the passage of time. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in an allowance account for credit losses of financial assets resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration