(Dollars in millions except per share amounts)

For the three months ended March 31:

2023

2022

Number of shares on which basic earnings per share is calculated:

Weighted-average shares outstanding during period

907,526,887

899,316,026

Add — Incremental shares under stock-based compensation plans

8,609,239

8,375,246

Add — Incremental shares associated with contingently issuable shares

1,709,153

1,534,864

Number of shares on which diluted earnings per share is calculated

917,845,279

909,226,136

Income from continuing operations

$

934

$

662

Income/(loss) from discontinued operations, net of tax

(7)

71

Net income on which basic earnings per share is calculated

$

927

$

733

Income from continuing operations

$

934

$

662

Net income applicable to contingently issuable shares

—

Income from continuing operations on which diluted earnings per share is calculated

$

934

$

662

Income/(loss) from discontinued operations, net of tax, on which diluted earnings per share is calculated

(7)

71

Net income on which diluted earnings per share is calculated

$

927

$

733

Earnings/(loss) per share of common stock:

Assuming dilution

Continuing operations

$

1.02

$

0.73

Discontinued operations

(0.01)

0.08

Total

$

1.01

$

0.81

Basic

Continuing operations

$

1.03

$

0.74

Discontinued operations

(0.01)

0.08

Total

$

1.02

$

0.82