Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property and equipment are stated at cost net of accumulated depreciation. Depreciation is calculated using the straight-line method over the estimated useful lives of the assets as follows:


Building						39 years
Computer equipment and software						3-5 years
Furniture and fixtures						3-7 years
Leasehold and other improvements						shorter of the lease term or estimated useful life

Property and equipment, net consists of the following (in millions):


	December 31,
	2021		2020
Computer equipment	$	1,226	$	974
Computer software	77		72
Leasehold and other improvements	200		168
Furniture and fixtures	74		69

Construction in progress	14		9
Property and equipment, gross	1,591		1,292
Less: Accumulated depreciation	(825)		(632)
Property and equipment, net	$	766	$	660