Contingent consideration - Disclosure in the movement of the liability (Details) - ZAR (R) R in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Disclosure of contingent consideration liabilities [line items] | |||
| Balance at beginning of year | R 965 | R 589 | |
| Payment of Mponeng contingent consideration liability | (338) | (108) | R 0 |
| Contingent consideration remeasurement | 830 | 484 | 64 |
| Balance at end of year | 1,457 | 965 | R 589 |
| Current portion of contingent consideration | 481 | 115 | |
| Non-current portion of contingent consideration | 976 | 850 | |
| Mponeng | |||
| Disclosure of contingent consideration liabilities [line items] | |||
| Balance at beginning of year | 587 | ||
| Payment of Mponeng contingent consideration liability | (338) | (108) | |
| Balance at end of year | R 676 | R 587 | |