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Earnings per Common Share
12 Months Ended
Dec. 31, 2020
Earnings Per Share [Abstract]  
Earnings per Common Share EARNINGS PER COMMON SHARE
The following table sets forth the computation of basic and diluted earnings per common share:
TABLE 21.1
Year Ended December 31202020192018
(dollars in millions, except per share data)
Net income$286 $387 $373 
Less: Preferred stock dividends8 
Net income available to common stockholders$278 $379 $365 
Basic weighted average common shares outstanding323,368,639 324,938,720 324,207,198 
Net effect of dilutive stock options, warrants and restricted stock2,119,325 1,122,418 1,416,405 
Diluted weighted average common shares outstanding325,487,964 326,061,138 325,623,603 
Earnings per common share:
Basic$0.86 $1.17 $1.13 
Diluted$0.85 $1.16 $1.12 
The following table shows the average shares excluded from the above calculation as their effect would have been anti-dilutive:
TABLE 21.2
Year Ended December 31202020192018
Average shares excluded from the diluted earnings per common share calculation22,375 — 81