| Earnings Per Share |
Earnings Per Share Basic and diluted earnings (loss) per share are computed by dividing Net income attributable to common stockholders by the weighted-average common shares outstanding in the period. Diluted earnings (loss) per share is computed by giving effect to all potentially dilutive securities that are outstanding. | | | | | | | | | | | | | | | | | | | Years Ended December 31, | | 2020 | | 2019 | | 2018 | | Basic earnings per share | | | | | | | Income from continuing operations | $ | 6,427 | | | $ | 6,732 | | | $ | 8,084 | | | Less: cumulative dividends on subsidiary preferred stock | (180) | | | (151) | | | (98) | | | Income from continuing operations attributable to common stockholders | 6,247 | | | 6,581 | | | 7,986 | | | Loss from discontinued operations, net of tax | — | | | — | | | 70 | | | Net income attributable to common stockholders | $ | 6,247 | | | $ | 6,581 | | | $ | 7,916 | | | | | | | | | Weighted-average common shares outstanding | 1,433 | | | 1,424 | | | 1,411 | | | | | | | | | Basic earnings per common share – continuing operations | $ | 4.36 | | | $ | 4.62 | | | $ | 5.66 | | | Basic loss per common share – discontinued operations | $ | — | | | $ | — | | | $ | 0.05 | | | Basic earnings per common share | $ | 4.36 | | | $ | 4.62 | | | $ | 5.61 | | | Diluted earnings per share | | | | | | | Income from continuing operations attributable to common stockholders – diluted | $ | 6,247 | | | $ | 6,581 | | | $ | 7,986 | | | Loss from discontinued operations, net of tax – diluted | $ | — | | | $ | — | | | $ | 70 | | | Net income attributable to common stockholders – diluted | $ | 6,247 | | | $ | 6,581 | | | $ | 7,916 | | | | | | | | | Weighted-average common shares outstanding – basic | 1,433 | | | 1,424 | | | 1,411 | | | Dilutive effect of warrants and awards under stock incentive plans | 9 | | | 15 | | | 20 | | | Weighted-average common shares outstanding – diluted | 1,442 | | | 1,439 | | | 1,431 | | | | | | | | | Diluted earnings per common share – continuing operations | $ | 4.33 | | | $ | 4.57 | | | $ | 5.58 | | | Diluted loss per common share – discontinued operations | $ | — | | | $ | — | | | $ | 0.05 | | | Diluted earnings per common share | $ | 4.33 | | | $ | 4.57 | | | $ | 5.53 | | | | | | | | | Potentially dilutive securities(a) | 7 | | | 7 | | | 9 | |
__________ (a) Potentially dilutive securities attributable to outstanding stock options and RSUs were excluded from the computation of diluted EPS because the securities would have had an antidilutive effect.
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