Headline earnings - Schedule of earnings (Details) - USD ($) $ / shares in Units, $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Earnings per share [abstract] | ||
| Profit (loss) attributable to equity shareholders | $ 1,112 | $ 311 |
| Impairment reversal on property, plant and equipment and right of use asset | (74) | 0 |
| (Profit) loss on disposal of tangible assets | 49 | 1 |
| Impairment on equity-accounted investments | 0 | 1 |
| Headline earnings (loss) | $ 1,087 | $ 313 |
| Headline earnings (loss) per ordinary share (USD per share) | $ 2.14 | $ 0.74 |
| Diluted headline earnings (loss) per ordinary share (USD per share) | $ 2.14 | $ 0.74 |