ACQUISITION OF HAWAIIAN HOLDINGS, INC. - Purchase Consideration (Details) - Hawaiian Holdings, Inc. $ / shares in Units, $ in Millions	Sep. 18, 2024 USD ($) $ / shares shares
Business Acquisition [Line Items]
Number of shares of Hawaiian common stock issued and outstanding (in shares) | shares	52,000,000
Multiplied by cash consideration for each share of common stock per the merger agreement (in dollars per share) | $ / shares	$ 18.00
Cash consideration paid for common stock issued and outstanding	$ 936
Cash consideration paid for settlement of equity awards and change in control payments	41
Total purchase consideration	$ 977