v3.26.3
EQUITY - Stated share capital (Details) - ZAR (R)
R / shares in Units, R in Millions
 12 Months Ended
Sep. 02, 2026
Aug. 27, 2025
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Disclosure Of Issued Share Capital [Abstract]          
Shares issued (in shares)     2,808,988 0 0
Treasury shares disposed [1]     R 0.0 R 0.0 R 0.0
Major ordinary share transactions          
Disclosure Of Issued Share Capital [Abstract]          
Shares issued (in shares) 868,756,525        
Major ordinary share transactions | Deferred Share Plan (DSP)          
Disclosure Of Issued Share Capital [Abstract]          
Shares issued (in shares) 1,358,826        
Ordinary shares          
Disclosure Of Authorised Share Capital [Abstract]          
Authorised share capital (in shares)     1,500,000,000 1,500,000,000 1,500,000,000
Disclosure Of Issued Share Capital [Abstract]          
Number of shares issued at the beginning (in shares)     864,588,711 864,588,711 864,588,711
Number of shares issued at the end (in shares)     867,397,699 864,588,711 864,588,711
Ordinary shares | Deferred Share Plan (DSP)          
Disclosure Of Issued Share Capital [Abstract]          
Shares issued (in shares)   1,726,955      
Ordinary shares | ELTI Scheme          
Disclosure Of Issued Share Capital [Abstract]          
Shares issued (in shares)   1,082,033      
Preference shares          
Disclosure Of Authorised Share Capital [Abstract]          
Authorised share capital (in shares)     5,000,000 5,000,000 5,000,000
Value per share (in ZAR cents per share)     R 10    
Disclosure Of Issued Share Capital [Abstract]          
Value per share (in ZAR cents per share)     R 10    
Treasury shares          
Disclosure Of Issued Share Capital [Abstract]          
Number of shares issued at the beginning (in shares)     2,153,302 3,090,081  
Number of shares issued at the end (in shares)     0 2,153,302 3,090,081
[1] 1Treasury shares disposed of for the vesting of the equity-settled share-based payment.