v3.26.3
Investment in Joint Operations (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure of joint operations [line items]      
Property, plant and equipment1 R 91,857 R 47,633 R 40,848
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 equipment1 R 2,300 R 2,500  
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%