v3.23.1
Revenue
 3 Months Ended
Mar. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue Revenue
Revenue disaggregated by revenue source and by segment consists of the following (in millions):
 Three Months Ended March 31,
 20232022
Advertising$28,101 $26,998 
Other revenue205 215 
Family of Apps28,306 27,213 
Reality Labs339 695 
Total revenue$28,645 $27,908 

Revenue disaggregated by geography, based on the addresses of our customers, consists of the following (in millions):
 Three Months Ended March 31,
 20232022
United States and Canada (1)
$11,449 $11,780 
Europe (2)
6,759 6,638 
Asia-Pacific7,292 6,722 
Rest of World (2)
3,145 2,768 
Total revenue$28,645 $27,908 
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(1)    United States revenue was $10.79 billion and $11.10 billion for the three months ended March 31, 2023 and 2022, respectively.
(2)    Europe includes Russia and Turkey, and Rest of World includes Africa, Latin America, and the Middle East.

Our total deferred revenue was $492 million and $526 million as of March 31, 2023 and December 31, 2022, respectively. As of March 31, 2023, we expect $460 million of our deferred revenue to be realized in less than a year.