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v3.19.1

Trade and other receivables, net (Details 2) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Trade and other receivables, net [Line Items] |  |  |
Opening balance | $ 9,361 | $ 8,963 |
Ending balance | 10,089 | 9,361 | $ 8,963
Minera Yanacocha SRL and subsidiary [Member] |  |  |
Disclosure of Trade and other receivables, net [Line Items] |  |  |
Opening balance | 1,384 | 1,407 | 1,444
Deductions | 0 | (23) | (37)
Ending balance | $ 1,384 | $ 1,384 | $ 1,407

X
- Definition Amount of allowance of receivables classified as other receivables. + References No definition available. + Details
Name: | cik0001013131_AllowanceForDoubtfulOtherReceivables
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of deductions in allowance for doubtful accounts provided during the year. + References No definition available. + Details
Name: | cik0001013131_DeductionsOfAllowanceForDoubtfulOtherReceivables
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | cik0001013131_DisclosureOfTradeAndOtherReceivablesNetLineItems
Namespace Prefix: | cik0001013131_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=cik0001013131_MineraYanacochaSrlAndSubsidiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |