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Other income (expense) (Tables) | 12 Months Ended
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Dec. 31, 2025
Analysis of income and expense [abstract] |
Other income (expense) |
For the year ended December 31 | Note | 2025 | 2024
Net early debt redemption gains |  | 26 | 249 |  | — |
Interest income |  |  | 79 |  | 123 |
Equity income (losses) from investments in associates and joint ventures | 17, | 21 |  |
| Loss on investment |  |  | — |  | (247) |
| Operations |  |  | 8 |  | 10 |
Losses on retirements and disposals of property, plant and equipment and intangible assets |  |  | (26) |  | (38) |
Net mark-to-market losses on derivatives used to economically hedge equity settled share-based compensation plans |  | 30 | (9) |  | (269) |
Other |  |  | (14) |  | 59 |
Total other income (expense) |  |  | 287 |  | (362) |

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