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Inventories, net - Additional information (Details) - El Brocal $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 USD ($) T | Dec. 31, 2019 USD ($) T
Inventory, net |  |
Production in Process | $ | $ 32.2 | $ 31.2
Products in process of quantity | T | 1,527,521 | 1,592,905

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- Definition Inventory, net + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition It represents amount of inventory + References No definition available. + Details
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Period Type: | instant

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- Definition It represents quantity of inventory + References No definition available. + Details
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Namespace Prefix: | bvn_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |