INVESTMENTS - Narrative (Details) - USD ($) |
1 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Oct. 31, 2025 |
Nov. 30, 2025 |
Dec. 31, 2024 |
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| Republic Airways | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership interest | 14.00% | 17.00% | ||
| WestJet | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership interest | 13.00% | 0.00% | ||
| Equity stake acquired (as a percent) | 12.70% | |||
| Payment to acquire equity stake | $ 276,000,000 | |||
| Grupo Aeroméxico | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership interest | 19.00% | 19.00% | 20.00% | |
| Carrying value of equity investment | $ 377,000,000 | $ 354,000,000 | ||
| Unifi Aviation | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership interest | 20.00% | 49.00% | 49.00% | |
| Proceeds from sale of equity stake | $ 80,000,000 | |||
| Carrying value of equity investment | $ 51,000,000 | $ 146,000,000 | ||
| Virgin Atlantic | ||||
| Schedule of Equity Method Investments [Line Items] | ||||
| Ownership interest | 49.00% | |||
| Carrying value of equity investment | $ 0 | |||
| Unrecognized equity method losses | $ 620,000,000 | |||
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- Definition Equity Method Investment, Unrecognized Losses No definition available.
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- Definition Equity Securities, FV-NI, Ownership Percentage No definition available.
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- Definition Equity Securities, FV-NI, Ownership Percentage Acquired No definition available.
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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
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- Definition Amount of cash outflow to acquire investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- 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
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