XML 190 R165.htm IDEA: XBRL DOCUMENT v3.21.1

Bank loans - Additional information (Details)	Dec. 31, 2020	Dec. 31, 2019
Minimum
Disclosure Of Bank Loans [Line Items]
Borrowings, interest rate	1.65%	2.00%
Maximum
Disclosure Of Bank Loans [Line Items]
Borrowings, interest rate	3.70%	2.95%

X

- References

No definition available.

+ Details

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

X

- Definition

The interest rate on borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2020-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_7&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_BorrowingsInterestRate
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: