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Earnings Per Share of Common Stock
3 Months Ended
Mar. 31, 2026
Earnings Per Share [Abstract]  
Earnings Per Share of Common Stock Earnings Per Share of Common Stock:
The following tables provide the computation of basic and diluted earnings per share of common stock for the three months ended March 31, 2026 and 2025.
($ in millions, except per share amounts)
For the three months ended March 31:20262025
Number of shares on which basic earnings per share is calculated:  
Weighted-average shares outstanding during period938,533,632928,006,724
Add — Incremental shares under stock-based compensation plans11,674,96815,220,862
Add — Incremental shares associated with contingently issuable shares1,922,4572,140,642
Number of shares on which diluted earnings per share is calculated952,131,057945,368,229
Income from continuing operations
$1,216 $1,054 
Income from discontinued operations, net of tax
Net income on which basic and dilutive earnings per share is calculated
$1,216 $1,055 
Earnings per share of common stock:
  
Assuming dilution  
Continuing operations$1.28 $1.12 
Discontinued operations0.00 0.00 
Total$1.28 $1.12 
Basic
Continuing operations$1.30 $1.14 
Discontinued operations0.00 0.00 
Total$1.30 $1.14 
Stock options to purchase 27,885 shares and 1,859,582 shares were outstanding as of March 31, 2026 and 2025, respectively, but were not included in the computation of diluted earnings per share because the exercise price of the options during the respective period was greater than the average market price of the common shares, and therefore, the effect would have been antidilutive.