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Earnings Per Common Share
3 Months Ended
Mar. 31, 2022
Earnings Per Share [Abstract]  
Earnings Per Common Share Earnings Per Common Share
Basic and diluted earnings per common share for the three months ended March 31, 2022 and 2021 were calculated as follows:

 Three Months Ended March 31,
 20222021
 (Dollars in millions, except per share amounts, shares in thousands)
Income (Numerator)
Net income$599 475 
Net income applicable to common stock for computing basic earnings per common share599 475 
Net income as adjusted for purposes of computing diluted earnings per common share$599 475 
Shares (Denominator):
Weighted-average number of shares:
Outstanding during period1,027,217 1,100,350 
Non-vested restricted stock(18,787)(17,876)
Weighted average shares outstanding for computing basic earnings per common share1,008,430 1,082,474 
Incremental common shares attributable to dilutive securities:
Shares issuable under convertible securities10 10 
Shares issuable under incentive compensation plans6,775 9,102 
Number of shares as adjusted for purposes of computing diluted earnings per common share1,015,215 1,091,586 
Basic earnings per common share$0.59 0.44 
Diluted earnings per common share
$0.59 0.44 

Our calculation of diluted earnings per common share excludes unvested restricted stock awards that are antidilutive as a result of unrecognized compensation cost. Such shares were 8.2 million and less than 1 million for the three months ended March 31, 2022 and 2021, respectively.