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Commitments and Contingencies (Tables) | 3 Months Ended
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Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Firm Commitments and Options to Purchase Aircraft and Summary of Commitments | As of March 31, 2023, United had firm commitments and options to purchase aircraft from The Boeing Company ("Boeing") and Airbus S.A.S. ("Airbus") as presented in the table below:
|  |  |  | Scheduled Aircraft Deliveries
Aircraft Type |  | Number of Firm Commitments (a) |  | Last Nine Months of 2023 |  | 2024 |  | After 2024
787 |  | 100 |  |  | — |  |  | 8 |  |  | 92 |
737 MAX |  | 412 |  |  | 114 |  |  | 88 |  |  | 210 |
A321neo |  | 70 |  |  | 12 |  |  | 31 |  |  | 27 |
A321XLR |  | 50 |  |  | — |  |  | — |  |  | 50 |
A350 |  | 45 |  |  | — |  |  | — |  |  | 45 |
(a) United also has options and purchase rights for additional aircraft. |  |  |  |  |  |
Summary of Commitments | The table below summarizes United's commitments as of March 31, 2023, which include aircraft and related spare engines, aircraft improvements and non-aircraft capital commitments. Aircraft commitments are based on contractual scheduled aircraft deliveries without any adjustments for the delays communicated by Boeing and Airbus or estimated by United.
(in billions) |  |
Last nine months of 2023 |  | $ | 8.3 |
2024 |  | 8.1 |
2025 |  | 8.3 |
2026 |  | 5.9 |
2027 |  | 4.7 |
After 2027 |  | 16.8 |
|  | $ | 52.1 |
Summary Of Estimated Future payments Of Contractual Obligation | Based on these assumptions as of March 31, 2023, our estimated future payments through the end of the terms of our CPAs are presented in the table below:
(in billions) |  |
Last nine months of 2023 |  | $ | 1.7 |
2024 |  | 2.1 |
2025 |  | 1.8 |
2026 |  | 1.6 |
2027 |  | 1.1 |
After 2027 |  | 3.9 |
|  | $ | 12.2 |

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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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- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308 + Details
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