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

The current portion of provision for closure of mining units and exploration projects.

No definition available.

Name:	bvn_CurrentPortionOfProvisionForClosureOfMiningUnitsAndExplorationProjects
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The decrease in provision for closure of mining units and exploration projects resulting from disbursements.

No definition available.

Name:	bvn_DecreaseThroughDisbursements
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Provisions and contingent liabilities

No definition available.

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

The amount of increase in provision contingent liabilities and other liabilities through accretion expenses.

No definition available.

Name:	bvn_IncreaseInProvisionsContingentLiabilitiesAndOtherLiabilitiesThroughAccretionExpense
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase in provision for closure of mining units and exploration projects resulting from accretion expense of continued operations.

No definition available.

Name:	bvn_IncreaseThroughAccretionExpenseFromContinuedOperations
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase in provision for closure of mining units and exploration projects resulting from accretion expense of discontinued operations.

No definition available.

Name:	bvn_IncreaseThroughAccretionExpenseFromDiscontinuedOperations
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase in provision for closure of mining units from exploration of projects.

No definition available.

Name:	bvn_IncreaseThroughAccretionExpenseFromExplorationProjects
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase in provision for closure of mining units and exploration projects resulting from changes and additions in estimates of continued operations.

No definition available.

Name:	bvn_IncreaseThroughAdjustmentsArisingFromEstimatesInContinuedOperations
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The increase in provision for closure of mining units and exploration projects resulting from changes and additions in estimates of discontinued operations.

No definition available.

Name:	bvn_IncreaseThroughAdjustmentsArisingFromEstimatesInDiscontinuedOperations
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The non current portion of provision for closure of mining units and exploration projects

No definition available.

Name:	bvn_NonCurrentPortionOfProvisionForClosureOfMiningUnitsAndExplorationProjects
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of provision made for closure of mining units and exploration projects.

No definition available.

Name:	bvn_ProvisionForClosureOfMiningUnitsAndExplorationProjects
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The increase in provision for closure of mining units and exploration projects.

No definition available.