Restructuring - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
Restructuring - Narrative (Details) $ in Millions	Mar. 31, 2023 notice	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) employee	Dec. 31, 2021 USD ($)
Data Center Assets
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ (224)	$ 1,341	$ 0
2022 Restructuring
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated \| employee			11,000
Restructuring charges		2,255	$ 4,611
2022 Restructuring \| Severance and Other Personnel Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(27)	975
2022 Restructuring \| Impairment charges for facilities consolidation, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges		2,506	2,295
2022 Restructuring \| Data Center Assets
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(224)	1,341
2023 Restructuring
Restructuring Cost and Reserve [Line Items]
Expected number of positions eliminated \| notice	10,000
2023 Restructuring \| Severance and Other Personnel Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,197
Family of Apps \| 2022 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges recorded to date		1,740	4,100
Family of Apps \| 2023 Restructuring \| Severance and Other Personnel Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		1,100
Reality Labs \| 2022 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charges recorded to date		516	$ 515
Reality Labs \| 2023 Restructuring \| Severance and Other Personnel Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 96