Related parties (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	$ 509,660	$ 558,581
Sumitomo Metal Mining Company, Ltd. [Member]
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	21,098	11,238
Sociedad Minera Cerro Verde S.A.A.
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	694,328	598,873
Balances payable to related parties [Abstract]
Total accounts payable, short term	3,174	3,426
Sociedad Minera Cerro Verde S.A.A. \| Accounts Receivables Non Provisional Pricing [Member]
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	93,657	27,499
Sociedad Minera Cerro Verde S.A.A. \| Freeport Minerals Corporation [Member]
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	555,150	551,595
Balances payable to related parties [Abstract]
Amounts payable to related parties	324	269
Sociedad Minera Cerro Verde S.A.A. \| Climax Molybdenum Marketing Corporation [Member]
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	27,069	23,247
Sociedad Minera Cerro Verde S.A.A. \| Freeport-McMoRan Sales Company Inc. [Member]
Balances payable to related parties [Abstract]
Amounts payable to related parties	2,687	2,666
Sociedad Minera Cerro Verde S.A.A. \| Minera Freeport-McMoRan South America Ltda [Member]
Balances payable to related parties [Abstract]
Amounts payable to related parties	163	491
Sociedad Minera Cerro Verde S.A.A. \| Embedded derivatives [Member]
Balances receivable from related parties [Abstract]
Amounts receivable, related party transactions	$ 91,011	$ 12,793

No definition available.

Name:	bvn_BalancesPayableToRelatedPartiesAbstract
Namespace Prefix:	bvn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	bvn_BalancesReceivableFromRelatedPartiesAbstract
Namespace Prefix:	bvn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The amounts payable resulting from related party transactions. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 20
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_20&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 18
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_18_b&doctype=Standard
-URIDate 2022-03-24

+ Details

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

- Definition

The amounts receivable resulting from related party transactions. [Refer: Related parties [member]]

+ References

+ Details

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

- Definition

The amount of current payables due to related parties. [Refer: Related parties [member]; Payables to related parties]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 78
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_78&doctype=Standard
-URIDate 2022-03-24

+ Details

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

- Details

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

- Details

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

- Details

Name:	ifrs-full_MeasurementAxis=bvn_AccountsReceivablesNonProvisionalPricingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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