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ACQUISITION OF HAWAIIAN HOLDINGS, INC. - Narrative (Details) - Hawaiian Holdings, Inc. - USD ($) $ / shares in Units, shares in Millions, $ in Millions |  | 3 Months Ended
--- | --- | ---
Sep. 18, 2024 | Mar. 31, 2025
Business Combination [Line Items] |  |
Multiplied by cash consideration for each share of common stock per the merger agreement (in dollars per share) | $ 18.00 |
Cash consideration paid for common stock issued and outstanding | $ 936 |
Number of shares of Hawaiian common stock issued and outstanding (in shares) | 52 |
Cash consideration paid for settlement of equity awards and change in control payments | $ 41 |
Total purchase price | $ 977 |
Merger-related costs |  | $ 40

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