Earnings per share (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Schedule of Shares Used in the Earnings Per Share Calculations

	For the three months ended March 31
(in millions, except per share data)	2024		2023
Net income attributable to controlling shareholders	$	775	$	800
Weighted-average basic shares outstanding	932.4		930.7
Dilutive effect of stock options	2.0		2.8
Weighted-average diluted shares outstanding	934.4		933.5
Earnings per share - basic	$	0.83	$	0.86
Earnings per share - diluted	$	0.83	$	0.86