(Dollars in millions except per share amounts)

For the three months ended March 31:

2022

2021

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

Weighted-average shares outstanding during period

899,316,026

893,630,916

Add — Incremental shares under stock-based compensation plans

8,375,246

6,622,441

Add — Incremental shares associated with contingently issuable shares

1,534,864

1,492,709

Number of shares on which diluted earnings per share is calculated

909,226,136

901,746,065

Income from continuing operations

$

662

$

403

Income from discontinued operations, net of tax

71

552

Net income on which basic earnings per share is calculated

$

733

$

955

Income from continuing operations

$

662

$

403

Net income applicable to contingently issuable shares

—

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

$

662

$

403

Income from discontinued operations, net of tax, on which basic and diluted earnings per share is calculated

71

552

Net income on which diluted earnings per share is calculated

$

733

$

955

Earnings/(loss) per share of common stock:

Assuming dilution

Continuing operations

$

0.73

$

0.45

Discontinued operations

0.08

0.61

Total

$

0.81

$

1.06

Basic

Continuing operations

$

0.74

$

0.45

Discontinued operations

0.08

0.62

Total

$

0.82

$

1.07