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Other expense (Tables)
12 Months Ended
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)