v3.25.3
Share-Based Payments - Options by Grant Date (Details) - Management DSP - DS
R in Millions
 12 Months Ended
Jun. 30, 2025
ZAR (R)
year
Jun. 30, 2024
ZAR (R)
year
Jun. 30, 2023
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of other equity instruments exercised or vested in share-based payment arrangement 2,014,976 1,765,592  
Number of other equity instruments forfeited in share-based payment arrangement 71,484 300,715  
Number of options and rights (in shares) 4,909,956 5,012,332 5,085,520
Over three years [Member] | September 18, 2020      
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 23  
Over three years [Member] | September 20, 2021      
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 121 R 62  
Over three years [Member] | September 19, 2022      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 499,382    
Remaining life (years) 0.2 1.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 88 R 43  
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) 925,576    
Remaining life (years) 1.2 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 83 R 0  
Over three years [Member] | September 18, 2024 [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 1,523,914    
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) 63,863    
Remaining life (years) 0 0.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 7 R 3  
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) 141,001    
Remaining life (years) 0.2 1.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 9 R 4  
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) 481,971    
Remaining life (years) 1.2 2.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 22 R 9  
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) 439,580    
Remaining life (years) 2.2 3.2  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 16 R 7  
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) 395,002    
Remaining life (years) 3.2 0  
Other Equity Instruments Exercised, Gain (Loss) Realised by Plan Participants | R R 10 R 0  
Over five years [Member] | September 18, 2024 [Member]      
Disclosure of terms and conditions of share-based payment arrangement [line items]      
Number of options and rights (in shares) 439,667    
Remaining life (years) 4.2