XML 82 R43.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Commitments and Contingencies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract] |
Firm Commitments and Options to Purchase Aircraft and Summary of Commitments | As of December 31, 2023, United had firm commitments to purchase aircraft from The Boeing Company ("Boeing") and Airbus S.A.S. ("Airbus") presented in the table below:
|  |  |  | Contractual Aircraft Deliveries |  | Expected Aircraft Deliveries (b)
Aircraft Type |  | Number of Firm Commitments (a) |  | 2024 |  | 2025 |  | After 2025 |  | 2024 |  | 2025 |  | After 2025
787 |  | 150 |  |  | 8 |  |  | 18 |  |  | 124 |  |  | 7 |  |  | 18 |  |  | 125 |
737 MAX 8 |  | 43 |  |  | 43 |  |  | — |  |  | — |  |  | 37 |  |  | 6 |  |  | — |
737 MAX 9 |  | 34 |  |  | 34 |  |  | — |  |  | — |  |  | 19 |  |  | 15 |  |  | — |
737 MAX 10 |  | 277 |  |  | 80 |  |  | 71 |  |  | 126 |  |  | — |  |  | (c) |  | (c)
A321neo |  | 126 |  |  | 26 |  |  | 38 |  |  | 62 |  |  | 25 |  |  | 24 |  |  | 77 |
A321XLR |  | 50 |  |  | — |  |  | 8 |  |  | 42 |  |  | — |  |  | 1 |  |  | 49 |
A350 |  | 45 |  |  | — |  |  | — |  |  | 45 |  |  | — |  |  | — |  |  | 45 |
(a)United also has options and purchase rights for additional aircraft. (b)Expected aircraft deliveries reflect adjustments communicated by Boeing and Airbus or estimated by United. (c)Due to the delay in the certification of the 737 MAX 10 aircraft, we are unable to accurately forecast the expected delivery period.
Summary of Commitments | The table below summarizes United's firm commitments as of December 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 communicated by Boeing and Airbus or estimated by United.
(in billions) |  |
2024 |  | $ | 12.1 |
2025 |  | 7.9 |
2026 |  | 6.0 |
2027 |  | 4.5 |
2028 |  | 6.1 |
After 2028 |  | 23.5 |
|  | $ | 60.1 |

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_LongTermPurchaseCommitmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of unconditional purchase obligation not recognized as liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 440 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482648/440-10-50-4 + Details
Name: | us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration