XML 153 R128.htm IDEA: XBRL DOCUMENT
v3.21.1

Trade and other receivables, net - Charged into restricted bank accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Trade and other receivables, net |  |  |
Beginning balance | $ 2,510 | $ 2,782 | $ 2,372
Increase in restricted bank accounts |  | 166 | 410
Decrease in restricted bank accounts | (2,134) | (438) | 0
Final balance | $ 376 | $ 2,510 | $ 2,782

X
- Definition The Beginning balance of Restricted bank + References No definition available. + Details
Name: | bvn_BeginningBalanceOfRestrictedBankAccounts
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition It represents decrease in restricted bank accounts + References No definition available. + Details
Name: | bvn_DecreaseInRestrictedBankAccounts
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Increase decrease in restricted bank accounts + References No definition available. + Details
Name: | bvn_IncreaseInRestrictedBankAccounts
Namespace Prefix: | bvn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration