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Earnings per Share (Tables)
3 Months Ended
Mar. 31, 2021
Earnings Per Share [Abstract]  
Basic and Diluted Earnings per Common Share
Table 59: Basic and Diluted Earnings Per Common Share
 Three months ended
March 31
In millions, except per share data20212020
Basic
Net income from continuing operations$1,826 $759 
Less:
Net income attributable to noncontrolling interests10 
Preferred stock dividends57 63 
Preferred stock discount accretion and redemptions
Net income from continuing operations attributable to common shareholders1,758 688 
Less: Dividends and undistributed earnings allocated to nonvested restricted shares
Net income from continuing operations attributable to basic common shareholders$1,750 $685 
Net income from discontinued operations attributable to common shareholders$156 
Less: Undistributed earnings allocated to nonvested restricted shares
Net income from discontinued operations attributable to basic common shareholders$155 
Basic weighted-average common shares outstanding426 429 
Basic earnings per common share from continuing operations (a)$4.11 $1.59 
Basic earnings per common share from discontinued operations (a)$0.37 
Basic earnings per common share $4.11 $1.96 
Diluted
Net income from continuing operations attributable to diluted common shareholders
$1,750 $685 
Net income from discontinued operations attributable to basic common shareholders
$155 
Less: Impact of earnings per share dilution from discontinued operations
Net income from discontinued operations attributable to diluted common shareholders
$154 
Basic weighted-average common shares outstanding426 429
Dilutive potential common shares
Diluted weighted-average common shares outstanding426 430 
Diluted earnings per common share from continuing operations (a)$4.10 $1.59 
Diluted earnings per common share from discontinued operations (a)$0.36 
Diluted earnings per common share $4.10 $1.95 
(a)Basic and diluted earnings per share under the two-class method are determined on net income reported on the income statement less earnings allocated to nonvested restricted shares and restricted share units with nonforfeitable dividends and dividend rights (participating securities).