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Earnings per Common Share
12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings per Common Share Earnings per Common Share
The following table presents the calculation of basic and diluted earnings per common share.
Year ended December 31, ($ in millions, except per share data; shares in thousands) (a)
202120202019
Net income from continuing operations$3,065 $1,086 $1,721 
Preferred stock dividends — Series B(36)— — 
Preferred stock dividends — Series C(21)— — 
Net income from continuing operations attributable to common stockholders$3,008 $1,086 $1,721 
Loss from discontinued operations, net of tax(5)(1)(6)
Net income attributable to common stockholders$3,003 $1,085 $1,715 
Basic weighted-average common shares outstanding (b)362,583 375,629 393,234 
Diluted weighted-average common shares outstanding (b) (c)365,180 377,101 395,395 
Basic earnings per common share
Net income from continuing operations$8.30 $2.89 $4.38 
Loss from discontinued operations, net of tax(0.01)— (0.02)
Net income$8.28 $2.89 $4.36 
Diluted earnings per common share
Net income from continuing operations$8.24 $2.88 $4.35 
Loss from discontinued operations, net of tax(0.01)— (0.02)
Net income$8.22 $2.88 $4.34 
(a)Figures in the table may not recalculate exactly due to rounding. Earnings per share is calculated based on unrounded numbers.
(b)Includes shares related to share-based compensation that vested but were not yet issued.
(c)During the year ended December 31, 2020, there were 0.8 million in shares underlying share-based awards excluded because their inclusion would have been antidilutive. There were no antidilutive shares during the years ended December 31, 2021, and 2019.