Earnings per share

12 Months Ended

Dec. 31, 2023

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

For the year ended December 31 (in millions of Canadian dollars, except per share data)	2023		2022		2021
Net income attributable to controlling shareholders	$	3,927	$	3,517	$	2,852
Weighted-average basic shares outstanding (millions)	931.3		930.0		679.7
Dilutive effect of stock options (millions)	2.4		2.9		3.1
Weighted-average diluted shares outstanding (millions)	933.7		932.9		682.8
Earnings per share – basic	$	4.22	$	3.78	$	4.20
Earnings per share – diluted	$	4.21	$	3.77	$	4.18

In 2023, there were 0.6 million options excluded from the computation of diluted earnings per share because their effects were not dilutive (2022 – 0.3 million; 2021 – 0.1 million).