Restricted Investments - Disclosure of Environmental Trust Funds (Details) - ZAR (R) R in Millions |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|---|---|---|---|
| Disclosure of financial assets [line items] | |||
| Restricted investments | R 6,731 | R 6,044 | |
| Fixed deposits | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 4,013 | 3,665 | |
| Cash equivalents | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 79 | 74 | |
| Equity-linked deposits | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 1,744 | 1,494 | |
| Government bonds | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 427 | 401 | |
| Equity investments | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 384 | 335 | |
| Collective investment scheme (unit trusts) | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | 69 | 61 | |
| Total environmental trust funds | |||
| Disclosure of financial assets [line items] | |||
| Restricted investments | R 6,716 | R 6,030 | R 5,673 |