Property and Equipment

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and Equipment

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

	September 30, 2021		December 31, 2020
Computer equipment	$	1,154	$	974
Computer software	77		72
Leasehold and other improvements	184		168
Furniture and fixtures	70		69
Construction in progress	21		9
Property and equipment, gross	1,506		1,292
Less: Accumulated depreciation	(766)		(632)
Property and equipment, net	$	740	$	660

Construction in progress consists primarily of leasehold and other improvements and in-process software development costs. Depreciation expense for the three months ended September 30, 2021 and 2020 was $83 million and $58 million, respectively, and for the nine months ended September 30, 2021 and 2020 was $232 million and $160 million, respectively.