Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2020

Earnings Per Share [Abstract]

Number Of Shares Used In the Earnings Per Share Calculations

The number of shares used in the earnings per share calculations are reconciled as follows:

(in millions of Canadian dollars, except per share data)	2020		2019		2018
Net income	$	2,444	$	2,440	$	1,951
Weighted-average basic shares outstanding (millions)	135.5		138.8		142.9
Dilutive effect of stock options (millions)	0.5		0.5		0.4
Weighted-average diluted shares outstanding (millions)	136.0		139.3		143.3
Earnings per share – basic	$	18.05	$	17.58	$	13.65
Earnings per share – diluted	$	17.97	$	17.52	$	13.61