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Earnings (Loss) Per Share | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
EARNINGS (LOSS) PER SHARE | EARNINGS (LOSS) PER SHARE The computations of UAL's basic and diluted earnings (loss) per share are set forth below for the years ended December 31 (in millions, except per share amounts):
|  | 2023 |  | 2022 |  | 2021
Earnings (loss) available to common stockholders |  | $ | 2,618 |  |  | $ | 737 |  |  | $ | (1,964) |
Basic weighted-average shares outstanding |  | 327.8 |  |  | 326.4 |  |  | 321.9 |
Dilutive effect of stock warrants (a) |  | 2.2 |  |  | 1.5 |  |  | — |
Dilutive effect of employee stock awards |  | 1.9 |  |  | 2.2 |  |  | — |
Diluted weighted-average shares outstanding |  | 331.9 |  |  | 330.1 |  |  | 321.9 |
Earnings (loss) per share, basic |  | $ | 7.98 |  |  | $ | 2.26 |  |  | $ | (6.10) |
Earnings (loss) per share, diluted |  | $ | 7.89 |  |  | $ | 2.23 |  |  | $ | (6.10) |
Potentially dilutive securities (b) |  |  |  |  |  |
Stock warrants (a) |  | 1.5 |  |  | 3.5 |  |  | 0.9 |
Employee stock awards |  | 0.6 |  |  | 0.7 |  |  | 0.7 |
(a) Represent warrants issued to Treasury pursuant to the payroll support program, including extensions, and the loan program established under the CARES Act. See Note 2 of this report for additional information about these warrants. (b) Weighted-average potentially dilutive securities outstanding excluded from the computation of diluted earnings per share because the securities would have had an antidilutive effect.

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