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SPECIAL CHARGES (CREDITS) - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Restructuring and Related Activities [Abstract] |  |
Net gains primarily related to gains on various aircraft sale-leaseback transactions | $ 108 | $ (13)

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- Definition Amount of gain (loss) on sale of other assets and other miscellaneous charges. + References No definition available. + Details
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Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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