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COST OF SALES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost $ 4,504 $ 3,481
Depreciation 2,032 1,457
Royalty expense 342 235
Community relations 33 47
Cost of sales 6,911 5,220
Inventory reduction amount 26 199
Employee benefits expense 1,350 1,001
Gold[member]    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 4,274 3,130
Depreciation 1,902 1,253
Royalty expense 308 196
Community relations 30 42
Cost of sales 6,514 4,621
Copper    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 224 344
Depreciation 100 170
Royalty expense 34 39
Community relations 3 5
Cost of sales 361 558
Other    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 6 7
Depreciation 30 34
Royalty expense 0 0
Community relations 0 0
Cost of sales $ 36 $ 41