Class of Warrant or Right, Number of Warrants Exercised

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Class Of Warrant Or Right, Number Of Warrants Expired

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- Definition

Debt Instrument, Interest Rate, Period

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Long-Term Debt, Current Maturities Gross

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Exercise price per share or per unit of warrants or rights outstanding.

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Description of expense or revenue offset related to the warrants or rights.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Number of warrants or rights outstanding.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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-URI https://asc.fasb.org/1943274/2147480657/210-10-S50-9

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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Debt - Schedule of Debt Obligations (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2026	Dec. 31, 2025	Nov. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Long-term debt, gross	$ 511	$ 511	$ 620
Less: current maturities of long-term debt, net	(206)	(206)	(301)
Less: total debt acquisition costs and other discounts, net	(5)	(5)	(6)
Long-term debt, net	$ 300	$ 300	313
CARES Act Credit Agreement, Warrants
Debt Instrument [Line Items]
Warrants to acquire common stock (in shares)						3,117,940
Exercise price of warrants (in dollars per share)						$ 6.95
Warrants exercised (in shares)					1,244,608
Number of securities called by warrants (in shares) (Less than for	248,893	248,893
Cash settlement (less than)	1 million
Warrants expired (in shares)	237,274	237,274
Secured Debt \| Pre-delivery Credit Facilities
Debt Instrument [Line Items]
Long-term debt, gross	$ 226	$ 226	348
Amount of unsecured borrowings available	299	299
Secured Debt \| 2025-1 EETCs
Debt Instrument [Line Items]
Long-term debt, gross	100	100	105
Interest rate (in percent)				6.75%
Secured Debt \| Revolving Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	0	0	0
Amount of unsecured borrowings available			220
Unsecured Debt \| Affinity card advance purchase of miles
Debt Instrument [Line Items]
Long-term debt, gross	119	119	101
Amount of unsecured borrowings available	375	375
Unsecured Debt \| PSP Promissory Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 66	$ 66	$ 66
Interest rate (in percent)	1.00%	1.00%
Interest rate period (in years)		5 years
Debt instrument, variable interest rate (in percent)		2.00%
Unsecured Debt \| PSP1 Promissory Note
Debt Instrument [Line Items]
Loan term (in years)		10 years