Streaming Arrangement - Contract liability and gold delivered (Details) - ZAR (R) R in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Disclosure of streaming arrangement [Line Items] | |||
| Finance costs related to significant financing component | R 1 | R 18 | R 41 |
| Non-cash consideration for delivery of gold ounces (included in Revenue) | (86) | (323) | (338) |
| Current portion of streaming contract liability | 0 | 85 | |
| Franco Nevada | |||
| Disclosure of streaming arrangement [Line Items] | |||
| Balance at beginning of year | 85 | 390 | |
| Finance costs related to significant financing component | 1 | 18 | |
| Non-cash consideration for delivery of gold ounces (included in Revenue) | (86) | (323) | |
| Balance at end of year | 0 | 85 | R 390 |
| Current portion of streaming contract liability | R 0 | R 85 | |