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Cash-settled share-based payment provision - Share-based payment expense movement in long-term provisions (Details) - ZAR (R)
R / shares in Units, R in Millions
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Share-based payment transaction      
Expense from cash-settled share-based payment transactions - movements in long-term provisions R (205) R (440) R 655
Decrease in share price 62.00%    
Share price (closing) R 132.20    
SARs with no CPTs      
Share-based payment transaction      
Expense from cash-settled share-based payment transactions - movements in long-term provisions R (1) (6) 117
SARs with CPTs      
Share-based payment transaction      
Expense from cash-settled share-based payment transactions - movements in long-term provisions R (204) R (434) R 538