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Commitments and contingencies - Letters of credit (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Commitments and contingencies
Letters of guarantee	$ 171.8	$ 155.9

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- References

No definition available.

+ Details

Name:	bvn_DisclosureOfCommitmentsAndContingenciesAbstract
Namespace Prefix:	bvn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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- Definition

The amount of letter of credit drawn.

+ References

No definition available.

+ Details

Name:	bvn_LetterOfCredit
Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant