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COST OF SALES (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost $ 4,716 $ 4,504
Depreciation 2,208 2,032
Royalty expense 464 342
Community relations 29 33
Cost of sales 7,417 6,911
Inventory reduction amount 29 26
Employee benefits expense 1,520 1,350
Gold[member]    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 4,421 4,274
Depreciation 1,975 1,902
Royalty expense 410 308
Community relations 26 30
Cost of sales 6,832 6,514
Copper    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 292 224
Depreciation 208 100
Royalty expense 54 34
Community relations 2 3
Cost of sales 556 361
Other    
Disclosure of Detailed Information About Cost of Sales [Line Items]    
Direct mining cost 3 6
Depreciation 25 30
Royalty expense 0 0
Community relations 1 0
Cost of sales $ 29 $ 36