XML 92 R67.htm IDEA: XBRL DOCUMENT
v3.21.1

Stockpiles and ore on leach pads, net (Tables) - Minera Yanacocha SRL and subsidiary [Member] | 12 Months Ended
--- | ---
Dec. 31, 2020
Disclosure of stockpiles and ore on leach pads [Line Items] |
Schedule of stockpiles and ore on leach pads, net | (a)This caption is made up as follows:
|  | 2020 |  | 2019
|  | US$(000) |  | US$(000)
Current portion - |  |  |  |
Stockpiles |  | 7,363 |  | 23,769
Ore on leach pads |  | 124,364 |  | 139,991
Net realizable value adjustment (b) |  | (10,212) |  | (28,837)
|  | 121,515 |  | 134,923
Non-current portion - |  |  |  |
Stockpiles |  | 33,088 |  | 35,888
Ore on leach pads |  | 39,674 |  | 88,223
Net realizable value adjustment (b) |  | (3,075) |  | (19,088)
|  | 69,687 |  | 105,023
Schedule of provision for net realizable value | (b)The provision for net realizable value adjustment had the following movement during the years 2020, 2019 and 2018:
|  | 2020 |  | 2019 |  | 2018
|  | US$(000) |  | US$(000) |  | US$(000)
Opening balance, note 18 |  | 47,925 |  | 89,127 |  | 62,540
Provision |  | 37,880 |  | 33,464 |  | 90,365
Reversal of provision |  | (72,518) |  | (74,666) |  | (63,778)
Ending balance, note 18 |  | 13,287 |  | 47,925 |  | 89,127

X
- Definition The disclosure of detailed information about provision for net realizable value adjustment. + References No definition available. + Details
Name: | bvn_DisclosureOfDetailedInformationAboutProvisionForNetRealizableValueAdjustmentTextBlock
Namespace Prefix: | bvn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about stockpiles and ore on leach pads. + References No definition available. + Details
Name: | bvn_DisclosureOfDetailedInformationAboutStockpilesAndOreOnLeachPadsTextBlock
Namespace Prefix: | bvn_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

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