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SEGMENT INFORMATION - Capital Expenditures (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of operating segments [line items]    
Capital expenditures $ 1,382 $ 1,119
Cash expenditures 1,396 1,126
Decrease in accrued capital expenditures 14 7
Operating segments    
Disclosure of operating segments [line items]    
Capital expenditures 1,346 1,083
Operating segments | Barrick Nevada    
Disclosure of operating segments [line items]    
Capital expenditures 585 358
Operating segments | Pueblo Viejo    
Disclosure of operating segments [line items]    
Capital expenditures 114 101
Operating segments | Lagunas Norte    
Disclosure of operating segments [line items]    
Capital expenditures 25 56
Operating segments | Veladero    
Disclosure of operating segments [line items]    
Capital expenditures 173 95
Operating segments | Turquoise Ridge    
Disclosure of operating segments [line items]    
Capital expenditures 36 32
Operating segments | Acacia    
Disclosure of operating segments [line items]    
Capital expenditures 148 191
Operating segments | Pascua-Lama    
Disclosure of operating segments [line items]    
Capital expenditures 6 20
Operating segments | Other    
Disclosure of operating segments [line items]    
Capital expenditures 259 230
Other items not allocated to segments    
Disclosure of operating segments [line items]    
Capital expenditures $ 36 $ 36