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INVENTORIES - Inventory Impairment Charges (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Disclosure of operating segments [line items]    
Inventory impairment charges $ 21 $ 68
Barrick Nevada    
Disclosure of operating segments [line items]    
Inventory impairment charges 0 57
Golden Sunlight    
Disclosure of operating segments [line items]    
Inventory impairment charges 6 7
Porgera    
Disclosure of operating segments [line items]    
Inventory impairment charges 4 3
Pierina    
Disclosure of operating segments [line items]    
Inventory impairment charges $ 11 $ 1