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Earnings Per Common Share (Tables)
9 Months Ended
Sep. 30, 2023
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Earnings Per Share
The following table presents the computation of basic and diluted earnings per common share for the periods indicated:
Three Months Ended September 30,Nine Months Ended September 30,
(Dollars in millions, except per share amounts)2023202220232022
Net income$422 $690 $1,734 $2,041 
Less:
Preferred stock dividends (24)(21)(84)(76)
Dividends and undistributed earnings allocated to participating securities(1)
 — (1)(1)
Net income available to common shareholders$398 $669 $1,649 $1,964 
Average common shares outstanding (In thousands):
Basic average common shares313,147 367,789 327,776 367,240 
Effect of dilutive securities: equity-based awards4,182 4,629 4,235 4,954 
Diluted average common shares317,329 372,418 332,011 372,194 
Anti-dilutive securities(2)
1,683 1,592 1,368 904 
Earnings per common share:
Basic$1.27 $1.82 $5.03 $5.35 
Diluted(3)
1.25 1.80 4.97 5.28 
(1) Represents the portion of net income available to common equity allocated to participating securities, composed of unvested and fully vested SERP (Supplemental executive retirement plans) shares and fully vested deferred director stock awards, which are equity-based awards that contain non-forfeitable rights to dividends, and are considered to participate with the common stock in undistributed earnings.
(2) Represents equity-based awards outstanding but not included in the computation of diluted average common shares, because their effect was anti-dilutive. Additional information about equity-based awards is provided on pages 169 to 171 in Note 18 to the consolidated financial statements included under Item 8, Financial Statements and Supplementary Data, in our 2022 Form 10-K.
(3) Calculations reflect allocation of earnings to participating securities using the two-class method, as this computation is more dilutive than the treasury stock method.