Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2023

Fair Value Disclosures [Abstract]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments

The carrying amounts and estimated fair values of the Company’s debt are as follows (in millions):

	June 30, 2023				December 31, 2022
	Carrying Value		Estimated Fair Value		Carrying Value		Estimated Fair Value
Secured debt:
PDP Financing Facility	$	270	$	272	$	277	$	277
Floating rate building note	17		17		17		17
Unsecured debt:
Affinity card advance purchase of mileage credits	80		77		71		66
PSP Promissory Notes	66		55		66		52
Total debt	$	433	$	421	$	431	$	412

Schedule of Fair Value of Assets and Liabilities Measured at Fair Value on a Recurring Basis

The tables below present disclosures about the fair value of assets and liabilities measured at fair value on a recurring basis on the Company’s condensed consolidated balance sheets (in millions):

		Fair Value Measurements as of June 30, 2023
Description	Balance Sheet Classification	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	Cash and cash equivalents	$	780	$	780	$	—	$	—
Interest rate derivative contracts	Other current assets	$	5	$	—	$	5	$	—

		Fair Value Measurements as of December 31, 2022
Description	Balance Sheet Classification	Total		Level 1		Level 2		Level 3
Cash and cash equivalents	Cash and cash equivalents	$	761	$	761	$	—	$	—
Interest rate derivative contracts	Other current assets	$	24	$	—	$	24	$	—