Investments - Equity investments (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Investments, Debt and Equity Securities [Abstract] | |||||
| Equity method investments | $ 97,000,000 | $ 97,000,000 | $ 77,000,000 | ||
| JetBlue Ventures equity investments | 88,000,000 | 88,000,000 | 84,000,000 | ||
| TWA flight center | 12,000,000 | 12,000,000 | 13,000,000 | ||
| Total equity investments | 197,000,000 | 197,000,000 | $ 174,000,000 | ||
| Schedule of Equity Method Investments [Line Items] | |||||
| Realized (loss) recognized in gain (loss) on investments, net | $ (3,000,000) | $ (2,000,000) | $ (3,000,000) | $ (2,000,000) | |
| TWA Flight Center Hotel | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Ownership percentage | 10.00% | 10.00% | |||
| Realized (loss) recognized in gain (loss) on investments, net | $ 0 | $ 0 | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Cost Method Investments1 No definition available.
|
| X | ||||||||||
- Definition Equity Securities without Readily Determinable Fair Value, Realized Gains (Losses) No definition available.
|
| X | ||||||||||
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|