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Other expense (income) (Tables)
12 Months Ended
Dec. 31, 2022
Other Income and Expenses [Abstract]  
Other expense (income)
(in millions of Canadian dollars)202220212020
Foreign exchange gain on debt and lease liabilities$ $(7)$(14)
Other foreign exchange gains (4)(1)
Acquisition-related costs (Note 10)
 247 — 
Other17 
Other expense (income)$17 $237 $(7)