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PROPERTY, PLANT AND EQUIPMENT - Mineral Property Costs Not Subject to Depreciation (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) $ 12,826 $ 13,806 $ 14,103
MIning property costs not subject to depreciation      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) 2,968 3,071 $ 2,353
MIning property costs not subject to depreciation | Norte Abierto Project      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) 639 612  
MIning property costs not subject to depreciation | Donlin Gold      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) 174 166  
MIning property costs not subject to depreciation | Pascua-Lama      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) 1,245 1,467  
Construction-in-progress      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) 786 640  
Acquired mineral resources and exploration potential      
Disclosure of detailed information about property, plant and equipment [line items]      
Property, plant and equipment (note 19) $ 124 $ 186