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Other expense (Tables) | 12 Months Ended
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Dec. 31, 2024
Analysis of income and expense [abstract] |
Schedule of other expense |
For the year ended December 31 | Note | 2024 | 2023
Net mark-to-market losses on derivatives used to economically hedge equity settled share-based compensation plans |  | 29 | (269) |  | (103) |
Equity (losses) income from investments in associates and joint ventures |  | 20 |  |
| Loss on investment |  |  | (247) |  | (581) |
| Operations |  |  | 10 |  | 28 |
(Losses) gains on retirements and disposals of property, plant and equipment and intangible assets |  |  | (38) |  | 11 |
Interest income |  |  | 123 |  | 67 |
Gains on investments |  |  | 57 |  | 80 |
Early debt redemption costs |  | 25 | — |  | (1) |
Other |  |  | 59 |  | 33 |
Total other expense |  |  | (305) |  | (466) |

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