v3.24.1.u1
Revenue
 3 Months Ended
Mar. 31, 2024
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,
 20242023
Advertising$35,635 $28,101 
Other revenue380 205 
Family of Apps36,015 28,306 
Reality Labs440 339 
Total revenue$36,455 $28,645 

Revenue disaggregated by geography, based on the addresses of our customers, consists of the following (in millions):
 Three Months Ended March 31,
 20242023
United States and Canada$13,646 $11,449 
Europe (1)
8,404 6,759 
Asia-Pacific10,312 7,292 
Rest of World4,093 3,145 
Total revenue$36,455 $28,645 
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(1)    Europe includes Russia and Turkey, and Rest of World includes Africa, Latin America, and the Middle East.

Our total deferred revenue was $645 million and $675 million as of March 31, 2024 and December 31, 2023, respectively. As of March 31, 2024, we expect $599 million of our deferred revenue to be realized in less than a year.