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INVENTORIES - Inventories By Type (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Detailed Information About Inventory [Line Items]    
Ore in stockpiles $ 2,856 $ 2,833
Ore on leach pads 591 623
Current inventories 1,878 2,289
Gold[member]    
Disclosure of Detailed Information About Inventory [Line Items]    
Ore in stockpiles 2,742 2,678
Ore on leach pads 591 623
Mine operating supplies 615 617
Work in process 117 141
Finished products 114 220
Inventories 4,179 4,279
Non-current ore in stockpiles and on leach pads 2,452 2,300
Current inventories 1,727 1,979
Copper    
Disclosure of Detailed Information About Inventory [Line Items]    
Ore in stockpiles 114 155
Ore on leach pads 0 0
Mine operating supplies 54 52
Work in process 0 0
Finished products 97 103
Inventories 265 310
Non-current ore in stockpiles and on leach pads 114 0
Current inventories $ 151 $ 310