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Earnings Per Share | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | EARNINGS PER SHARE We calculate basic earnings per share by dividing net income by the weighted average number of common shares outstanding, excluding restricted shares. We calculate diluted earnings per share by dividing net income by the weighted average number of common shares outstanding plus the dilutive effect of outstanding share-based awards, including stock options and restricted stock awards. Antidilutive common stock equivalents excluded from the diluted earnings per share calculation are not material. The following table shows the computation of basic and diluted earnings per share:
| Three Months Ended March 31,
(in millions, except per share data) | 2019 | 2018
Net income | $ | 730 |  | $ | 557 |
Basic weighted average shares outstanding | 665 |  | 704 |
Dilutive effect of share-based awards | 2 |  | 2 |
Diluted weighted average shares outstanding | 667 |  | 706 |
Basic earnings per share | $ | 1.10 |  | $ | 0.79 |
Diluted earnings per share | $ | 1.09 |  | $ | 0.79 |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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