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SPECIAL CHARGES (CREDITS) - Narrative (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Restructuring and Related Activities [Abstract]
Net gains on sale of assets and other special charges	$ 73		$ 5	$ 295	$ (44)
Gains on various aircraft sale-leaseback transactions	75			336
Special charge in connection with a labor contract ratification bonus	$ 0	$ 561	$ 0	$ 561	$ 0

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- Definition

Gain (Loss) On Aircraft Sale-Leaseback Transactions

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- Definition

Amount of gain (loss) on sale of other assets and other miscellaneous charges.

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- Definition

Labor Contract Ratification Bonus

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No definition available.

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