Leases Disclosure of lease payments (Details) - ZAR (R) R in Millions |
12 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | R 319 | R 278 |
| Principal and interest payments made for lease liabilities | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | 319 | 278 |
| Short-term lease payments | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | 310 | 348 |
| Lease payments of low value assets leased | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | 49 | 17 |
| Variable lease payments | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | 2,632 | 2,030 |
| Total cash outflows for leases | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | 3,310 | 2,673 |
| Phase 1 Power Purchase Agreements | ||
| Disclosure of lease payments [Line Items] | ||
| Cash outflow for leases | R 78 | R 54 |