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ABOUT THESE CONSOLIDATED FINANCIAL STATEMENTS (Details) - ZAR (R)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Foreign exchange rates [abstract]      
Spot rate at year end 17.32 14.07 13.72
Average rate for the financial year 15.66 14.18 12.85
Name of parent entity Sibanye Stillwater Limited    
Percentage of ownership interest in DRD Gold group, held by Sibanye Gold Limited 50.10%