XML 286 R261.htm IDEA: XBRL DOCUMENT
v3.21.1

Disclosure of information on segments - Reconciliation of segment profit (loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | $ (155,748) | $ (17,945) | $ 154
Elimination Of Profit Of Equity Accounted Investees | (129,570) | (323,578) | (63,777)
Elimination Of Profit of Inter Company Sales | (89,006) | (71,951) | (74,637)
Elimination of Profit In Cost of Sales And Operating Expenses Of Intercompany | 89,593 | 71,697 | 76,780
Elimination Of Share of Profit In subsidiaries And Associates | 82,284 | 44,745 | 1,582
Elimination of Profits In others | (1,080) | 300 | (3,932)
Operating Segments [Member] |  |  |
Disclosure of information on segments [Line Items] |  |  |
Profit (loss) from continued operations | $ (107,969) | $ 260,842 | $ 64,138

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

X
- Definition It represents information about elimination of profit in cost of sales and operating expenses + References No definition available. + Details
Name: | bvn_EliminationOfProfitInCostOfSalesAndOperatingExpensesOfIntercompany
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents information about elimination of profit equity accounted investees + References No definition available. + Details
Name: | bvn_EliminationOfProfitOfEquityAccountedInvestees
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents information about elimination of profit of inter company sales + References No definition available. + Details
Name: | bvn_EliminationOfProfitOfInterCompanySales
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents information about elimination of profits in others + References No definition available. + Details
Name: | bvn_EliminationOfProfitsInOthers
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition It represents information about elimination of profit in associates + References No definition available. + Details
Name: | bvn_EliminationOfShareOfProfitInSubsidiariesAndAssociates
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The profit (loss) from continuing operations. [Refer: Continuing operations [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 28 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_28_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 8 -IssueDate 2020-01-01 -Paragraph 23 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2020-en-r&anchor=para_23&doctype=Standard -URIDate 2020-01-01 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B12 -Subparagraph b -Clause vi -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B12_b_vi&doctype=Appendix&subtype=B -URIDate 2020-01-01 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 81A -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_81A_a&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_ProfitLossFromContinuingOperations
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentConsolidationItemsAxis=ifrs-full_OperatingSegmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |