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Other expense (Tables) | 12 Months Ended
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Dec. 31, 2023
Analysis of income and expense [abstract] |
Schedule of other expense |
FOR THE YEAR ENDED DECEMBER 31 | NOTE | 2023 | 2022
Equity (losses) income from investments in associates and joint ventures |  | 20 |  |
| Loss on investment |  |  | (581) |  | (42) |
| Operations |  |  | 28 |  | (19) |
Net mark-to-market losses on derivatives used to economically hedge equity settled share-based compensation plans |  | 29 | (103) |  | (53) |
Early debt redemption costs |  | 25 | (1) |  | (18) |
Gains on investments |  |  | 80 |  | 24 |
Interest income |  |  | 67 |  | 22 |
Gains (losses) on retirements and disposals of property, plant and equipment and intangible assets |  |  | 11 |  | (27) |
Other |  |  | 33 |  | (2) |
Total other expense |  |  | (466) |  | (115) |

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