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Other income (expense) (Tables) | 12 Months Ended
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Dec. 31, 2021
Analysis of income and expense [abstract] |
Schedule of other (expense) income |
FOR THE YEAR ENDED DECEMBER 31 | NOTE | 2021 | 2020
Net mark-to-market gains (losses) on derivatives used to economically hedge equity settled share-based compensation plans |  |  | 278 |  | (51) |
Early debt redemption costs |  | 25 | (53) |  | (50) |
Equity (losses) gains from investments in associates and joint ventures |  | 20 |  |
| (Loss) gain on investment |  |  | (49) |  | 43 |
| Operations |  |  | (46) |  | (38) |
Losses on retirements and disposals of property, plant and equipment and intangible assets |  |  | (24) |  | (83) |
(Losses) gains on investments |  |  | (6) |  | 3 |
Other |  |  | 60 |  | (18) |
Total other income (expense) |  |  | 160 |  | (194) |

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