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Shareholders' Equity (Tables)
3 Months Ended
Mar. 31, 2021
Stockholders' Equity Note [Abstract]  
Activities Under Share Repurchase Program
The following table provides activities under the share repurchase programs:
For the three months ended March 31
20212020
Number of Common Shares repurchased(1)
 1,455,854 
Weighted-average price per share(2)
$ $321.71 
Amount of repurchase (in millions of Canadian dollars)(2)
$ $468 
(1)Includes shares repurchased but not yet cancelled at end of period.
(2)Includes brokerage fees.