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Consolidated Statement of Changes in Equity (Parenthetical) - CAD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Statement of Stockholders Equity    
Accumulated other comprehensive income (loss) comprises items that will not be recycled $ 33.7 $ 20.8
Accumulated other comprehensive income comprises items that may be recycled $ 25.1 $ 28.1
Number of shares issued   167,165,341
Number of common shares deemed to have been repurchased   517,409