Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property Plant And Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consists of the following:

		Estimated useful				December 31,
(in millions)		life-in years				2021				2020
Property and equipment:
Land		N/A				$	6			$	6
Building			39				33				33
Building improvements			15				31				30
Leasehold improvements		1-15					614				593
Equipment and computer software			3				914				822
Other transportation equipment			10				191				179
Furniture and fixtures			7				70				70
Construction in progress		N/A					159				46
Total							2,018				1,779
Less: accumulated depreciation and amortization							1,256				1,098
Property and equipment, net						$	762			$	681