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v3.19.2

Debt - Narrative (Details) | 1 Months Ended |
--- | --- | ---
May 31, 2019 USD ($) | Feb. 28, 2019 trust | Jun. 30, 2019 USD ($)
Debt Instrument [Line Items] |  |  |
Number of pass-through trusts created | trust |  | 2 |
Revolving Credit Facility | United Airlines, Inc. | Secured Debt |  |  |
Debt Instrument [Line Items] |  |  |
Available under revolving credit facility |  |  | $ 2,000,000,000.0
4.875% Senior Notes due 2025 | Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Aggregate principal amount | $ 350,000,000 |  |
Interest rate | 4.875% |  |
Redemption price rate | 101.00% |  |

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