The following table sets forth the computation of basic earnings per common share and diluted earnings per common share for the years ended December 31: | | | | | | | | | | | | | | | | | | | | | | 2020 | | 2019 | | 2018 | | | (In millions, except per share data) | | Numerator: | | | | | | | Income from continuing operations | $ | 1,094 | | | $ | 1,582 | | | $ | 1,568 | | | Preferred stock dividends | (103) | | | (79) | | | (64) | | | Income from continuing operations available to common shareholders | 991 | | | 1,503 | | | 1,504 | | | Income from discontinued operations, net of tax | — | | | — | | | 191 | | | Net income available to common shareholders | $ | 991 | | | $ | 1,503 | | | $ | 1,695 | | | Denominator: | | | | | | | Weighted-average common shares outstanding—basic | 959 | | | 995 | | | 1,092 | | | Potential common shares | 3 | | | 4 | | | 10 | | | Weighted-average common shares outstanding—diluted | 962 | | | 999 | | | 1,102 | | Earnings per common share from continuing operations available to common shareholders(1): | | | | | | | Basic | $ | 1.03 | | | $ | 1.51 | | | $ | 1.38 | | | Diluted | 1.03 | | | 1.50 | | | 1.36 | | Earnings per common share from discontinued operations(1): | | | | | | | Basic | $ | 0.00 | | | $ | 0.00 | | | $ | 0.18 | | | Diluted | 0.00 | | | 0.00 | | | 0.17 | | Earnings per common share(1): | | | | | | | Basic | $ | 1.03 | | | $ | 1.51 | | | $ | 1.55 | | | Diluted | 1.03 | | | 1.50 | | | 1.54 | |
________ (1) Certain per share amounts may not appear to reconcile due to rounding.
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