Segment Information - Segment Information of Revenue and Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Revenue:	$ 40,589	$ 34,146	$ 116,116	$ 94,791
Income (loss) from operations:	17,350	13,748	46,016	30,367
Family of Apps
Segment Reporting Information [Line Items]
Revenue:	40,319	33,936	115,053	93,966
Income (loss) from operations:	21,778	17,490	58,778	41,841
Reality Labs
Segment Reporting Information [Line Items]
Revenue:	270	210	1,063	825
Income (loss) from operations:	$ (4,428)	$ (3,742)	$ (12,762)	$ (11,474)