XML 168 R143.htm IDEA: XBRL DOCUMENT
v3.21.1

Investments in associates and joint venture - Net share in profit (loss) of investments (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Investments in associates and joint ventures |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | $ (9,517) | $ 47,710 | $ (1,144)
Net share in profit (loss) of investments in joint venture | (252) | (44) |
Net share in profit (loss) of investments | (9,517) | 47,710 | (1,144)
Minera Yanacocha S.R.L. [Member] |  |  |
Investments in associates and joint ventures |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | (72,219) | (41,580) | (35,582)
Net share in profit (loss) of investments in associates | (72,219) | (41,580) | (35,582)
Net share in profit (loss) of investments | (72,219) | (41,580) | (35,582)
Sociedad Minera Cerro Verde Saa [Member] |  |  |
Investments in associates and joint ventures |  |  |
Net share in profit (loss) of investments in associates | 53,767 | 76,451 | 23,444
Compania Minera Coimolache S.A. [Member] |  |  |
Investments in associates and joint ventures |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | 10,055 | 12,883 | 10,994
Net share in profit (loss) of investments in associates | 10,055 | 12,883 | 10,994
Net share in profit (loss) of investments | 10,055 | 12,883 | 10,994
Tinka Resources Ltd [Member] |  |  |
Investments in associates and joint ventures |  |  |
Share of profit (loss) from continuing operations of associates and joint ventures accounted for using equity method | (868) |  |
Net share in profit (loss) of investments in associates | (868) |  |
Net share in profit (loss) of investments | (868) |  |
Other minor investments [Member] |  |  |
Investments in associates and joint ventures |  |  |
Net share in profit (loss) of investments in associates | $ (9,265) | $ 47,754 | $ (1,144)

X
- Definition Investments in associates and joint ventures + References No definition available. + Details
Name: | bvn_DisclosureOfInvestmentsInAssociatesLineItems
Namespace Prefix: | bvn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entity's share of the profit (loss) from continuing operations of associates accounted for using the equity method. + References No definition available. + Details
Name: | bvn_ShareOfProfitLossFromContinuingOperationsOfAssociatesAccountedForUsingEquityMethod
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The entity's share of the profit (loss) from continuing operations of joint ventures accounted for using the equity method. + References No definition available. + Details
Name: | bvn_ShareOfProfitLossFromContinuingOperationsOfJointVenturesAccountedForUsingEquityMethod
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The entity's share of the profit (loss) from continuing operations of associates and joint ventures accounted for using the equity method. [Refer: Associates [member]; Continuing operations [member]; Investments accounted for using equity method; Joint ventures [member]; Profit (loss) from continuing operations] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph B16 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_B16_a&doctype=Appendix&subtype=B -URIDate 2020-01-01 + Details
Name: | ifrs-full_ShareOfProfitLossOfContinuingOperationsOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_MineraYanacochaSrlMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_SociedadsMinerasCerroVerdeSaaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_CompaniaMineraCoimolacheSaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_TinkaResourcesLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=bvn_OtherMinorInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |