Earnings per share

3 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Earnings per share

Earnings per share

	For the three months ended March 31
(in millions, except per share data)	2025		2024
Net income attributable to controlling shareholders	$	910	$	775
Weighted-average basic shares outstanding	933.2		932.4
Dilutive effect of stock options	1.1		2.0
Weighted-average diluted shares outstanding	934.3		934.4
Earnings per share - basic	$	0.98	$	0.83
Earnings per share - diluted	$	0.97	$	0.83

For the three months ended March 31, 2025, there were 1.5 million stock options excluded from the computation of diluted earnings per share because their effects were not dilutive (three months ended March 31, 2024 - 0.3 million).