v3.24.2.u1
income taxes - Rate reconciliations (Details) - CAD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Reconciliation of effective tax rate        
Income taxes computed at applicable statutory rates $ 72 $ 62 $ 113 $ 125
Adjustments recognized in the current period for income taxes of prior periods (6) (13) (6) (12)
Pillar Two global minimum tax     1  
(Non-taxable) non-deductible amounts, net 4 2 (7) (7)
Withholding and other taxes 12 2 19 9
Losses not recognized 2 5 3 8
Foreign tax differential (2) 4 (3) (7)
Other (3) 1   2
Income taxes $ 79 $ 63 $ 120 $ 118
Reconciliation of effective tax rate (as a percent)        
Income taxes computed at applicable statutory rates (as a percent) 23.80% 24.20% 23.50% 23.30%
Adjustments recognized in the current period for income taxes of prior periods (as a percent) (2.00%) (5.30%) (1.20%) (2.20%)
Pillar Two global minimum tax (as a percent)     0.20%  
(Non-taxable) non-deductible amounts, net (as a percent) 1.30% 0.80% (1.60%) (1.30%)
Withholding and other taxes (as percent) 4.00% 0.80% 4.00% 1.70%
Losses not recognized (as percent) 0.70% 1.90% 0.60% 1.50%
Foreign tax differential (as percent) (0.70%) 1.50% (0.60%) (1.30%)
Other (as a percent) (0.80%) 0.40%   0.30%
Income tax expense per Consolidated statements of income and other comprehensive income (as a percent) 26.30% 24.30% 24.90% 22.00%