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FAIR VALUE MEASUREMENTS- Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Fuel hedge contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Loss on derivatives recognized	$ 31	$ 6	$ 394

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

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