Earnings per share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share, Basic And Diluted

	Three Months Ended				Nine Months Ended
	September 30				September 30
(in millions of U.S. dollars, except share and per share data)	2020		2019		2020		2019
Numerator:
Net income	$	1,194	$	1,091	$	1,115	$	3,281
Denominator:
Denominator for basic earnings per share:
Weighted-average shares outstanding	451,794,046		454,975,143		451,683,093		456,987,560
Denominator for diluted earnings per share:
Share-based compensation plans	1,471,434		3,175,226		1,894,699		2,937,026
Weighted-average shares outstanding and assumed conversions	453,265,480		458,150,369		453,577,792		459,924,586
Basic earnings per share	$	2.64	$	2.40	$	2.47	$	7.18
Diluted earnings per share	$	2.63	$	2.38	$	2.46	$	7.13
Potential anti-dilutive share conversions	7,053,316		575,039		6,767,727		3,874,310