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Consolidated Statements of Income - CAD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Profit or loss [abstract]    
Revenue $ 15,396 $ 14,655
Operating expenses:    
Operating costs 9,003 8,768
Depreciation and amortization 2,576 2,585
Restructuring, acquisition and other 310 324
Finance costs 1,233 849
Other (income) expense (15) 2
Income before income tax expense 2,289 2,127
Income tax expense 609 569
Net income for the year $ 1,680 $ 1,558
Earnings per share:    
Basic (in dollars per share) $ 3.33 $ 3.09
Diluted (in dollars per share) $ 3.32 $ 3.07