v3.19.3.a.u2
Revenue
 12 Months Ended
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]  
Revenue Revenue

Revenue disaggregated by revenue source consists of the following (in millions):
 
Year Ended December 31, 
 
2019
 
2018
 
2017 (1)
Advertising
$
69,655

 
$
55,013

 
$
39,942

Other revenue
1,042

 
825

 
711

Total revenue
$
70,697

 
$
55,838

 
$
40,653

_________________________
(1) Prior period amounts have not been adjusted under the modified retrospective method of the adoption of Topic 606.  

Revenue disaggregated by geography, based on the billing address of our customers, consists of the following (in millions):
 
Year Ended December 31, 
 
2019
 
2018
 
2017 (1)
Revenue:
 
 
 
 
 
United States and Canada(2)
$
32,206

 
$
25,727

 
$
19,065

Europe(3)
16,826

 
13,631

 
10,126

Asia-Pacific
15,406

 
11,733

 
7,921

Rest of World(3)
6,259

 
4,747

 
3,541

Total revenue
$
70,697

 
$
55,838

 
$
40,653

_________________________
(1) Prior period amounts have not been adjusted under the modified retrospective method of the adoption of Topic 606.  
(2) United States revenue was $30.23 billion, $24.10 billion, and $17.73 billion for the years ended December 31, 2019, 2018, and 2017.
(3) Europe includes Russia and Turkey, and Rest of World includes Africa, Latin America, and the Middle East.

Deferred revenue and deposits consists of the following (in millions):
 
December 31,
 
2019
 
2018
Deferred revenue
$
234

 
$
117

Deposits
35

 
30

    Total deferred revenue and deposits
$
269

 
$
147