XML 51 R35.htm IDEA: XBRL DOCUMENT
v3.25.1

COMMITMENTS, CONTINGENCIES, AND GUARANTEES (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Commitments | The table below summarizes United's firm commitments as of March 31, 2025, which include aircraft and related spare engines, aircraft improvements and non-aircraft capital commitments (in billions):
| Last nine months of 2025 |  | 2026 |  | 2027 |  | 2028 |  | 2029 |  | After 2029 |  | Total
Purchase commitments | $ | 8.1 |  |  | $ | 6.3 |  |  | $ | 4.9 |  |  | $ | 6.7 |  |  | $ | 8.3 |  |  | $ | 21.7 |  |  | $ | 56.0 |

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 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