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GENERAL AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - PASSENGER TICKET AND ANCILLARY SERVICES REVENUE (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
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Accounting Policies [Abstract] |  |
Credit Card Receivables | $ 444 | $ 243

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- References No definition available. + Details
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- Definition Amounts receivable from issuing a card to individuals or businesses that allows someone to make a purchase on borrowed money. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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