XML 121 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2019
shares
Document Information [Line Items]  
Entity Registrant Name BARRICK GOLD CORP
Entity Central Index Key 0000756894
Entity Current Reporting Status Yes
Current Fiscal Year End Date --12-31
Document Fiscal Year Focus 2019
Document Fiscal Period Focus FY
Document Type 40-F
Document Period End Date Dec. 31, 2019
Amendment Flag false
Entity Common Stock, Shares Outstanding (shares) 1,777,926,611
Entity Emerging Growth Company 0