Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Components of Property and Equipment, Net

Estimated useful lives and residual values for the Company’s property and equipment are as follows:

	Estimated Useful Life	Residual Value
Aircraft	25 years	10%
Flight equipment leasehold improvements	Lesser of lease term or economic life	0%
Aircraft rotable parts	Fleet life	10%
Ground property and equipment	3 – 10 years	0%
Ground equipment leasehold improvements	Lesser of lease term or 10 years	0%
Internal use software	3 – 10 years	0%
Capitalized maintenance	Lesser of lease term or economic life	0%
Buildings	Lesser of 40 years or economic life	10%

The components of depreciation and amortization expense are as follows (in millions):

	Year Ended December 31,
	2021		2020		2019
Depreciation	$	38	$	32	$	45
Intangible amortization	—		1		1
Total depreciation and amortization	$	38	$	33	$	46

The components of property and equipment, net are as follows (in millions):

	December 31,
	2021		2020
Flight equipment	$	212	$	182
Ground and other equipment	104		101
Less: accumulated depreciation	(130)		(107)
Total property and equipment, net	$	186	$	176