v3.26.3
Share-Based Payments - Options by Grant Date (Details) - Management DSP - DS
R in Millions
 12 Months Ended
Jun. 30, 2026
ZAR (R)
year
Jun. 30, 2025
ZAR (R)
year
Jun. 30, 2024
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 4,093,034 4,909,956 5,012,332
Number of other equity instruments exercised or vested in share-based payment arrangement 1,850,273 2,014,976  
Number of other equity instruments forfeited in share-based payment arrangement 91,978 71,484  
Over three years [Member] | September 20, 2021      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Remaining life (years) 0 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 0 R 121  
Over three years [Member] | September 19, 2022      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Remaining life (years) 0 0.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 150 R 88  
Over three years [Member] | September 18, 2023      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 440,796    
Remaining life (years) 0.2 1.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 122 R 83  
Over three years [Member] | September 18, 2024      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 977,010    
Remaining life (years) 1.2 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 133 R 0  
Over three years [Member] | September 18, 2025      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 785,112    
Remaining life (years) 2.2    
Over five years [Member] | September 18, 2019      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 16,486    
Remaining life (years) 0 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 14 R 7  
Over five years [Member] | September 18, 2020      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 90,172    
Remaining life (years) 0 0.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 14 R 9  
Over five years [Member] | September 20, 2021      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 381,364    
Remaining life (years) 0.2 1.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 26 R 22  
Over five years [Member] | September 19, 2022      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 366,001    
Remaining life (years) 1.2 2.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 22 R 16  
Over five years [Member] | September 18, 2023      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 339,185    
Remaining life (years) 2.2 3.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 15 R 10  
Over five years [Member] | September 18, 2024      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 384,594    
Remaining life (years) 3.2 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 14 R 0  
Over five years [Member] | September 18, 2025      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 312,314    
Remaining life (years) 4.2