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EXPLORATION, EVALUATION AND PROJECT EXPENSES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about property, plant and equipment [line items]    
Minesite exploration and evaluation $ 69 $ 45
Global exploration and evaluation 143 121
Corporate development2 51 60
Business improvement and innovation 10 44
Total exploration, evaluation and project expenses 342 383
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination 18  
Pascua-Lama    
Disclosure of detailed information about property, plant and equipment [line items]    
Advanced project costs 49 77
Other [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Advanced project costs 20 $ 36
Randgold    
Disclosure of detailed information about property, plant and equipment [line items]    
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination 37  
Nevada Gold Mines, KCGM and Acacia [Member]    
Disclosure of detailed information about property, plant and equipment [line items]    
Acquisition-related costs for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination $ 44