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INVENTORIES - Inventory Impairment Charges (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of operating segments [line items]    
Inventory impairment charges $ 26 $ 199
Lagunas Norte    
Disclosure of operating segments [line items]    
Inventory impairment charges 0 166
Lumwana    
Disclosure of operating segments [line items]    
Inventory impairment charges 0 18
Golden Sunlight    
Disclosure of operating segments [line items]    
Inventory impairment charges 4 10
Porgera    
Disclosure of operating segments [line items]    
Inventory impairment charges 0 1
Pierina    
Disclosure of operating segments [line items]    
Inventory impairment charges 12 4
Carlin    
Disclosure of operating segments [line items]    
Inventory impairment charges 6 0
Cortez    
Disclosure of operating segments [line items]    
Inventory impairment charges $ 4 $ 0