Earnings per share

9 Months Ended

Sep. 30, 2024


	For the three months ended September 30				For the nine months ended September 30
(in millions, except per share data)	2024		2023		2024		2023
Net income attributable to controlling shareholders	$	837	$	780	$	2,517	$	2,904
Weighted-average basic shares outstanding	933.2		931.5		932.8		931.1
Dilutive effect of stock options	2.1		2.4		2.0		2.6
Weighted-average diluted shares outstanding	935.3		933.9		934.8		933.7
Earnings per share - basic	$	0.90	$	0.84	$	2.70	$	3.12
Earnings per share - diluted	$	0.90	$	0.84	$	2.69	$	3.11

For the three and nine months ended September 30, 2024, there were 0.5 million and 0.5 million stock options, respectively, excluded from the computation of diluted earnings per share because their effects were not dilutive (three and nine months ended September 30, 2023 - 0.3 million and 0.3 million, respectively).