XML 26 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2020
shares
Document and Entity Information [Abstract]  
Document Type 20-F
Document Annual Report true
Document Transition Report false
Document Shell Company Report false
Amendment Flag false
Document Period End Date Dec. 31, 2020
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Entity Registrant Name BUENAVENTURA MINING CO INC
Entity Central Index Key 0001013131
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer Yes
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 253,715,190
Entity Shell Company false
Entity Emerging Growth Company false
Entity Interactive Data Current Yes
ICFR Auditor Attestation Flag true