Profit per share (Tables)

12 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Computations of Profit Per Share

Computations of profit per share:
(Dollars in millions except per share data)	2024		2023		2022
Profit for the period (A) 1	$	10,792	$	10,335	$	6,705
Determination of shares (in millions):
Weighted average number of common shares outstanding (B)	486.7		510.6		526.9
Shares issuable on exercise of stock awards, net of shares assumed to be purchased out of proceeds at average market price	2.7		3.0		3.5
Average common shares outstanding for fully diluted computation (C) 2	489.4		513.6		530.4
Profit per share of common stock:
Assuming no dilution (A/B)	$	22.17	$	20.24	$	12.72
Assuming full dilution (A/C) 2	$	22.05	$	20.12	$	12.64
Shares outstanding as of December 31, (in millions)	477.9		499.4		516.3

1Profit attributable to common shareholders.

2Diluted by assumed exercise of stock-based compensation awards using the treasury stock method.