Restricted Investments - Disclosure of Restricted Investments (Details) - ZAR (R) R in Millions |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|---|---|---|---|
| Disclosure of financial assets [line items] | |||
| Restricted investments | R 7,320 | R 6,731 | |
| Total environmental trust funds | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 7,303 | 6,716 | R 6,030 |
| Investments held by social trust funds | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | R 17 | R 15 |