v3.25.3
Investment in Joint Operations (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Disclosure of joint operations [line items]    
Property, plant and equipment R 48,269 R 41,348
Wafi-Golpu Joint Operation    
Disclosure of joint operations [line items]    
Proportion of ownership interest in joint operation (as a percent) 50.00%  
Property, plant and equipment R 2,500 R 2,800
Newcrest Mining Limited | Wafi-Golpu Joint Operation    
Disclosure of joint operations [line items]    
Proportion of ownership interest in joint operation (as a percent) 50.00%  
PG State [Member]    
Disclosure of joint operations [line items]    
Potential Percentage of equity interests 30.00%