Computations of profit per share:

Three Months Ended September 30

Nine Months Ended September 30

(Dollars in millions except per share data)

2020

2019

2020

2019

Profit for the period (A) 1

$

668

$

1,494

$

2,218

$

4,995

Determination of shares (in millions):

Weighted-average number of common shares outstanding (B)

542.3

556.3

543.9

565.2

Shares issuable on exercise of stock awards, net of shares assumed to be purchased out of proceeds at average market price

4.1

4.9

3.9

5.6

Average common shares outstanding for fully diluted computation (C) 2

546.4

561.2

547.8

570.8

Profit per share of common stock:

Assuming no dilution (A/B)

$

1.23

$

2.69

$

4.08

$

8.84

Assuming full dilution (A/C) 2

$

1.22

$

2.66

$

4.05

$

8.75

Shares outstanding as of September 30 (in millions)

543.3

552.7

1 Profit attributable to common shareholders.

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