XML 251 R226.htm IDEA: XBRL DOCUMENT
v3.21.1

Finance costs and finance income - Reconciliation of fair value measurement (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Finance costs and finance income |  |  |
Beginning balance | $ 16,410 | $ 15,755 | $ 17,570
Variation of the fair value in profit and loss | 5,690 | 655 | (1,815)
Final balance | $ 22,100 | $ 16,410 | $ 15,755

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

X
- Definition The amount of contingent liabilities recognised in a business combination. [Refer: Contingent liabilities [member]; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_ContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in contingent liabilities recognised in a business combination. [Refer: Contingent liabilities recognised in business combination; Business combinations [member]; Contingent liabilities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2020-01-01 -Paragraph B67 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2020-en-r&anchor=para_B67_c&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseInContingentLiabilitiesRecognisedInBusinessCombination
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration