Equity - Schedule of transactions on the executive share award plans (Details) - Executive share award plans - shares shares in Millions |
12 Months Ended | ||
|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] | |||
| Balance outstanding at beginning of period (in shares) | 6.0 | 4.8 | 4.9 |
| Granted (in shares) | 3.6 | 3.4 | 2.1 |
| Awarded (in shares) | (1.0) | (1.3) | (1.8) |
| Forfeited (in shares) | (1.5) | (0.9) | (0.4) |
| Balance outstanding at end of period (in shares) | 7.1 | 6.0 | 4.8 |