Streaming Arrangement - silver stream reconciliations derivatives (Details) - ZAR (R) R in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure of streaming arrangement [Line Items] | |||
| Balance at beginning of year | R 0 | ||
| Fair value movements on streaming arrangements | (854) | R 0 | R 0 |
| Balance at end of year | 5,736 | 0 | |
| Streaming contract liabilities | 455 | 0 | 85 |
| Streaming contract liabilities | 5,281 | 0 | 0 |
| Silver stream | |||
| Disclosure of streaming arrangement [Line Items] | |||
| Balance at beginning of year | 0 | ||
| Balance at end of year | 3,332 | 0 | |
| Silver stream | Silver derivative | |||
| Disclosure of streaming arrangement [Line Items] | |||
| Balance at beginning of year | 0 | 0 | |
| Fair value movements on streaming arrangements | 493 | 0 | |
| Increase (Decrease) Through Net Exchange Differences - Silver Derivative | 32 | 0 | |
| Balance at end of year | 525 | 0 | R 0 |
| Streaming contract liabilities | 44 | 0 | |
| Streaming contract liabilities | R 481 | R 0 | |