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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2019
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The computations of UAL's basic and diluted earnings per share are set forth below (in millions, except per share amounts):
| Three Months Ended March 31,
| 2019 |  | 2018
Earnings available to common stockholders | $ | 292 |  |  | $ | 145 |
Basic weighted-average shares outstanding | 267.0 |  |  | 283.9 |
Effect of employee stock awards | 1.3 |  |  | 1.0 |
Diluted weighted-average shares outstanding | 268.3 |  |  | 284.9 |
Earnings per share, basic and diluted | $ | 1.09 |  |  | $ | 0.51 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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