Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Revenue and long-lived assets by geography

Geographic Area Data

Geographic area data is based upon the location of the subsidiary reporting the revenue or long-lived assets and is as follows:

	Revenues						Long-Lived Assets (1)
	Year Ended December 31,						As of December 31,
	2018		2017		2016		2018		2017
United States	$	5,778	$	6,064	$	6,403	$	671	$	770
Europe	2,625		2,697		2,861		278		355
Other areas	1,427		1,504		1,507		146		167
Total	$	9,830	$	10,265	$	10,771	$	1,095	$	1,292

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(1) Long-lived assets are comprised of (i) Land, buildings and equipment, net, (ii) Equipment on operating leases, net, (iii) Internal use software, net and (iv) Product software, net.