Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Schedule of Property and Equipment

Property and equipment consisted of the following (in millions):

	As of December 31,				Depreciation Period (Years)
	2021		2020
Software and internally developed software	$	1,407	$	1,223	3 to 7
Computer and network equipment	792		803		3 to 5
Land	156		146		N/A
Buildings and building improvements	342		322		15 to 40
Right-of-use lease assets	278		339		1 to 20
Leasehold improvements	322		314		4 to 15
Equipment, aircraft and office furniture	335		317		4 to 12
Total property and equipment	3,632		3,464
Less accumulated depreciation and amortization	(1,933)		(1,751)
Property and equipment, net	$	1,699	$	1,713