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Commitments and Contingencies (Tables) | 9 Months Ended
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Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract] |
Firm Commitments and Options to Purchase Aircraft and Summary of Commitments | As of September 30, 2019, United had firm commitments and options to purchase aircraft from The Boeing Company ("Boeing"), Airbus S.A.S. ("Airbus") and Embraer S.A. ("Embraer") presented in the table below:
|  |  |  | Scheduled Aircraft Deliveries
Aircraft Type |  | Number of Firm Commitments (a) |  | Last Three Months of 2019 |  | 2020 |  | After 2020
Airbus A350 |  | 45 |  |  | — |  |  | — |  |  | 45 |
Boeing 737 MAX |  | 171 |  |  | 16 |  |  | 28 |  |  | 127 |
Boeing 777-300ER |  | 4 |  |  | 2 |  |  | 2 |  |  | — |
Boeing 787 |  | 18 |  |  | 2 |  |  | 15 |  |  | 1 |
Embraer E175 |  | 29 |  |  | 9 |  |  | 20 |  |  | — |
(a) United also has options and purchase rights for additional aircraft. |  |  |  |  |  |  |  |
The table below summarizes United's commitments as of September 30, 2019, which include aircraft and related spare engines, aircraft improvements and all non-aircraft capital commitments (in billions):
Last three months of 2019 |  | $ | 1.5 |
2020 (a) |  | 6.1 |
2021 |  | 3.8 |
2022 |  | 2.9 |
2023 |  | 2.3 |
After 2023 |  | 7.0 |
|  | $ | 23.6 |
(a) Commitments for 2020 are expected to be higher than other years displayed in the table above due to the large number of wide-body aircraft deliveries (17 new aircraft) scheduled in that year. Amounts are not adjusted for any potential changes in the delivery schedule of the Boeing 737 MAX aircraft.
Summary of the Expected Future Payments Through the End of the Terms of CPAs | The table below summarizes the Company's expected future payments through the end of the terms of our CPAs, excluding aircraft ownership costs and variable pass-through costs such as fuel and landing fees, among others (in billions):
Last three months of 2019 |  | $ | 0.6 |
2020 |  | 2.2 |
2021 |  | 2.1 |
2022 |  | 1.8 |
2023 |  | 1.1 |
After 2023 |  | 4.5 |
|  | $ | 12.3 |

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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