v3.26.3
INVESTMENTS IN REHABILITATION AND OTHER FUNDS - Market Risk (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Interest rate risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Percentage of reasonably possible change, equity price risk 1.00%  
Interest rate risk | Investments in Obligation Fund    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
100bp increase R 11.0 R 10.0
100bp (decrease) R (11.0) (10.0)
Equity price risk    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
Percentage of reasonably possible change, equity price risk 10.00%  
Equity price risk | Investments in Obligation Fund    
Disclosure of nature and extent of risks arising from financial instruments [line items]    
10% increase R 25.3 23.0
10% (decrease) R (25.3) R (23.0)