Earnings per share (Tables)

6 Months Ended

Jun. 30, 2023

Earnings Per Share [Abstract]

Schedule of Shares Used in the Earnings Per Share Calculations

	For the three months ended June 30				For the six months ended June 30
(in millions)	2023		2022		2023		2022
Net income attributable to controlling shareholders	$	1,324	$	765	$	2,124	$	1,355
Weighted-average basic shares outstanding	931.2		929.9		930.9		929.8
Dilutive effect of stock options	2.6		2.7		2.7		2.9
Weighted-average diluted shares outstanding	933.8		932.6		933.6		932.7
Earnings per share - basic	$	1.42	$	0.82	$	2.28	$	1.46
Earnings per share - diluted	$	1.42	$	0.82	$	2.28	$	1.45