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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
The following table presents the calculation of basic and diluted earnings per common share.
Three months ended March 31,
($ in millions, except per share data; shares in thousands) (a)
20222021
Net income from continuing operations$655 $796 
Preferred stock dividends — Series B(16)— 
Preferred stock dividends — Series C(12)— 
Net income from continuing operations attributable to common stockholders$627 $796 
Net income attributable to common stockholders$627 $796 
Basic weighted-average common shares outstanding (b)335,678 375,229 
Diluted weighted-average common shares outstanding (b)337,812 377,529 
Basic earnings per common share
Net income from continuing operations$1.87 $2.12 
Net income$1.87 $2.12 
Diluted earnings per common share
Net income from continuing operations$1.86 $2.11 
Net income$1.86 $2.11 
(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.