Other Reserves - Narrative (Details) - ZAR (R) R in Millions |
12 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 19, 2010 |
Mar. 15, 2004 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Disclosure of reserves within equity [line items] | |||||
| Reserve for equity instruments designated at fair value through other comprehensive income | R 267 | R 203 | |||
| Purchase price | 0 | 5 | R 0 | ||
| Acquisition of non-controlling interest in subsidiary | 381 | 381 | |||
| Abelle Limited | |||||
| Disclosure of reserves within equity [line items] | |||||
| Purchase price | R 579 | ||||
| Acquisition of non-controlling interest in subsidiary | R 381 | ||||
| Doornkop South Reef | AVRD | |||||
| Disclosure of reserves within equity [line items] | |||||
| Share of mining titles acquired (as a percent) | 26.00% | ||||
| Shares issued in exchange for interest in mining titles (in shares) | 2,162,359 | ||||
| Difference between the value of shares issued | R 152 | ||||
| Rand Mutual Assurance | |||||
| Disclosure of reserves within equity [line items] | |||||
| Reserve for equity instruments designated at fair value through other comprehensive income | R 139 | R 123 | |||