Exploration in non-operating areas - Schedule of main projects of exploration in non-operating areas (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Exploration in non-operating areas
Expense arising from exploration for and evaluation of non operating units	$ 21,860	$ 13,452	$ 14,252

The amount of expense arising from the search for mineral resources of non operating units.

No definition available.

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