Segments

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Segments

Segments

The Company operates in one reportable segment. The Company's chief executive officer, who is the chief operating decision maker, reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance, accompanied by disaggregated information about net revenues by product and service, customer vertical, and geographic region as presented below.

The following table presents net revenues by product and service (in millions):

	Years Ended December 31,
	2019		2018		2017
Routing	$	1,623.2	$	1,839.7	$	2,189.5
Switching	901.0		934.4		963.4
Security	343.5		333.0		293.3
Total product	2,867.7		3,107.1		3,446.2
Total service	1,577.7		1,540.4		1,581.0
Total	$	4,445.4	$	4,647.5	$	5,027.2

The following table presents net revenues by customer vertical (in millions):

	Years Ended December 31,
	2019		2018		2017
Cloud	$	1,059.8	$	1,049.9	$	1,310.7
Service Provider	1,827.8		2,066.7		2,319.4
Enterprise	1,557.8		1,530.9		1,397.1
Total	$	4,445.4	$	4,647.5	$	5,027.2

The Company attributes revenues to geographic region based on the customer’s shipping address. The following table presents net revenues by geographic region (in millions):

	Years Ended December 31,
	2019		2018		2017
Americas:
United States	$	2,299.8	$	2,339.1	$	2,712.6
Other	218.2		202.1		234.6
Total Americas	2,518.0		2,541.2		2,947.2
Europe, Middle East, and Africa	1,215.3		1,290.8		1,195.8
Asia Pacific	712.1		815.5		884.2
Total	$	4,445.4	$	4,647.5	$	5,027.2

During the years ended December 31, 2019, 2018, and 2017, no customer accounted for greater than 10% of the Company's net revenues.

The following table presents geographic information for property and equipment, net and purchased intangible assets, net (in millions):

	As of December 31,
	2019		2018
United States	$	815.9	$	941.7
International	200.8		128.5
Property and equipment, net and purchased intangible assets, net	$	1,016.7	$	1,070.2

The Company tracks assets by physical location. The majority of the Company’s assets, excluding cash and cash equivalents and investments, as of December 31, 2019 and December 31, 2018, were attributable to U.S. operations.