Other Current Liabilities (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Other Liabilities Disclosure [Abstract] | ||
| Passenger and other taxes and fees payable | $ 171 | $ 148 |
| Salaries, wages and benefits | 130 | 143 |
| Station obligations | 116 | 78 |
| Aircraft maintenance | 103 | 65 |
| Fuel liabilities | 50 | 36 |
| Leased aircraft return costs | 38 | 7 |
| Other current liabilities | 53 | 48 |
| Total other current liabilities | $ 661 | $ 525 |
| X | ||||||||||
- Definition Accrued Aircraft Maintenance, Materials, and Repairs, Current No definition available.
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- Definition Accrued Fuel Costs, Current No definition available.
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- Definition Accrued Landing Fees and Other Rentals, Current No definition available.
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- Definition Leased Aircraft Return Liability, Current No definition available.
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- Definition Passenger Taxes and Fees Payable, Current No definition available.
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| X | ||||||||||
- Definition Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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