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Other income (expense) (Tables)
12 Months Ended
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)
Other 60  (18)
Total other income (expense) 160  (194)