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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about property, plant and equipment [line items]    
Minesite exploration and evaluation $ 45 $ 47
Global exploration and evaluation 121 126
Corporate development2 60 13
Business improvement and innovation 44 32
Total exploration, evaluation and project expenses 383 354
Pascua-Lama    
Disclosure of detailed information about property, plant and equipment [line items]    
Advanced project costs 77 122
Other [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Advanced project costs 36 $ 14
Randgold [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination $ 37