XML 676 R234.htm IDEA: XBRL DOCUMENT v3.22.1

Finance costs and finance income - Finance cost (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Finance Cost and Finance Income [Line Items]
Finance costs		$ 60,629	$ 37,822	$ 42,173
Minera Yanacocha SRL and subsidiary [Member]
Finance Cost and Finance Income [Line Items]
Interests on tax contingency and others, note 24		54,580		16,938
Unwinding of the discount of the provision for mining closure, note 13(b)		33,609	32,049	36,709
Commissions of guarantee letters		3,059	3,153	2,485
Unwinding of debt instruments, note 15		1,722	1,497	1,497
Finance costs	$ 55,000	$ 92,970	$ 36,699	$ 57,629

X

- Definition

Amount of commissions on guarantee letters during the period.

+ References

No definition available.

+ Details

Name:	bvn_CommissionsOfGuaranteeLetters
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of interest on tax contingency and others.

+ References

No definition available.

+ Details

Name:	bvn_InterestOnTaxContingencyAndOthers
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of Unwinding of debt instruments incurred during the period.

+ References

No definition available.

+ Details

Name:	bvn_UnwindingOfDebtInstruments
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of expense recognised due to the unwinding of the discount on provisions other than provisions from employee benefits, resulting from the effect of the passage of time. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2021-03-24

+ Details

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

X

- 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

X

- Details

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