Financial risk management and financial instruments - Commodity Price Risk (Details) - $ / bbl |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Maximum | ||
| Financial risk management and financial instruments | ||
| Dated Brent Crude price | 144.42 | 89.1 |
| Average | ||
| Financial risk management and financial instruments | ||
| Dated Brent Crude price | 79.47 | 74.59 |
| Minimum | ||
| Financial risk management and financial instruments | ||
| Dated Brent Crude price | 60.2 | 61.09 |