Earnings per share (Tables)

9 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Schedule of Shares Used in the Earnings Per Share Calculations

	For the three months ended September 30				For the nine months ended September 30
(in millions, except per share data)	2023		2022		2023		2022
Net income attributable to controlling shareholders	$	780	$	891	$	2,904	$	2,246
Weighted-average basic shares outstanding	931.5		930.0		931.1		929.9
Dilutive effect of stock options	2.4		2.9		2.6		2.9
Weighted-average diluted shares outstanding	933.9		932.9		933.7		932.8
Earnings per share - basic	$	0.84	$	0.96	$	3.12	$	2.42
Earnings per share - diluted	$	0.84	$	0.96	$	3.11	$	2.41