Restricted Cash and Investments (Details) - ZAR (R) R in Millions |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|---|---|---|---|
| Total Restricted cash and investments [Abstract] | |||
| Restricted cash | R 390 | R 330 | |
| Restricted investments | 7,320 | 6,731 | |
| Restricted cash and investments | 7,710 | 7,061 | |
| Current restricted cash and investments | 50 | 46 | R 39 |
| Non-current restricted cash and investments | R 7,660 | R 7,015 | R 6,494 |