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Other Reserves - Reconciliation of Share Based Payment Reserve (Details) - ZAR (R)
R in Millions
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2017
Reconciliation Of The Share-Based Payments Reserve      
Balance at beginning of year R 2,534 R 2,160  
Share-based payments expensed 230 374 R 371
Balance at end of year R 2,764 R 2,534 R 2,160