Geographical Information

12 Months Ended

Dec. 31, 2012

Segments, Geographical Areas [Abstract]

Geographical Information

Geographical Information

Revenue by geography is based on the billing address of the advertiser or Platform developer. The following table sets forth revenue and property and equipment, net by geographic area (in millions):  

	Year Ended December 31,
	2012		2011		2010
Revenue:
United States	$	2,578	$	2,067	$	1,223
Rest of the world(1)	2,511		1,644		751
Total revenue	$	5,089	$	3,711	$	1,974

(1) No individual country exceeded 10% of our total revenue for any period presented.

	December 31,
	2012		2011
Property and equipment, net:
United States	$	2,110	$	1,444
Rest of the world(1)	281		31
Total property and equipment, net	$	2,391	$	1,475

(1) No individual country exceeded 10% of our total property and equipment, net for any period presented.