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Identification and business activity - Summary of unabsorbed cost due to production stoppage (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Unabsorbed cost due to production stoppage
Unabsorbed cost due to production stoppage	$ 23,058	$ 25,509	$ 27,758
Depreciation and amortization incurred during the production stoppage			10,800
Services provided by third parties
Unabsorbed cost due to production stoppage
Unabsorbed cost due to production stoppage	7,608	19,214	8,373
Direct labor
Unabsorbed cost due to production stoppage
Unabsorbed cost due to production stoppage	$ 6,505	$ 3,418	$ 11,075

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- Definition

Represents the amount of depreciation and amortization incurred during the production stoppage.

+ References

No definition available.

+ Details

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Namespace Prefix:	bvn_
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- Definition

Represents the amount of unabsorbed cost due to production stoppage.

+ References

No definition available.

+ Details

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Namespace Prefix:	bvn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	bvn_ExpensesByNatureAxis=bvn_DirectLaborMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: