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SEGMENT INFORMATION - Capital Expenditures (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Disclosure of operating segments [line items]          
Capital expenditures $ 341 $ 403 $ 672 $ 721  
Capital commitments 132   132   $ 0
Cash expenditures 313 405 639 739  
Increase/decrease in accrued capital expenditures (28) 2 (33) 18  
Purchase Obligations for Supplies and Consumables 2,067   2,067   $ 0
Operating segments          
Disclosure of operating segments [line items]          
Capital expenditures 326 394 644 706  
Operating segments | Barrick Nevada [Member]          
Disclosure of operating segments [line items]          
Capital expenditures 151 183 297 313  
Operating segments | Turquoise Ridge          
Disclosure of operating segments [line items]          
Capital expenditures 14 4 27 13  
Operating segments | Pueblo Viejo          
Disclosure of operating segments [line items]          
Capital expenditures 33 28 71 49  
Operating segments | Veladero          
Disclosure of operating segments [line items]          
Capital expenditures 33 63 64 113  
Operating segments | Lagunas Norte          
Disclosure of operating segments [line items]          
Capital expenditures 7 4 10 9  
Operating segments | Acacia          
Disclosure of operating segments [line items]          
Capital expenditures 25 45 51 91  
Operating segments | Pascua-Lama          
Disclosure of operating segments [line items]          
Capital expenditures 2 0 11 3  
Operating segments | Other          
Disclosure of operating segments [line items]          
Capital expenditures 61 67 113 115  
Other items not allocated to segments          
Disclosure of operating segments [line items]          
Capital expenditures $ 15 $ 9 $ 28 $ 15