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IMPAIRMENT AND REVERSAL OF NON-CURRENT ASSETS - Cash Generating Units (Details) - Cash-generating units
$ in Millions
Dec. 31, 2020
USD ($)
Veladero [Member]  
Disclosure of information for cash-generating units [line items]  
Carrying Value $ 779
Loulo Gounkoto  
Disclosure of information for cash-generating units [line items]  
Carrying Value $ 4,187