Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Number Of Shares Used In the Earnings Per Share Calculations

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

(in millions of Canadian dollars, except per share data)	2019		2018		2017
Net income	$	2,440	$	1,951	$	2,405
Weighted-average basic shares outstanding (millions)	138.8		142.9		145.9
Dilutive effect of stock options (millions)	0.5		0.4		0.4
Weighted-average diluted shares outstanding (millions)	139.3		143.3		146.3
Earnings per share – basic	$	17.58	$	13.65	$	16.49
Earnings per share – diluted	$	17.52	$	13.61	$	16.44