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PROVISION FOR ENVIRONMENTAL REHABILITATION - Narrative (Details) - ZAR (R)
R in Millions
Jun. 30, 2025
Jun. 30, 2024
Provision for decommissioning, restoration and rehabilitation costs [abstract]    
Discount rate, minimum 9.50% 10.10%
Discount rate, maximum 9.90% 10.60%
Inflation rate used in calculation of net present value of rehabilitation liability 5.10% 5.60%
Undiscounted rehabilitation cost R 930.2 R 972.0