Cover - shares	9 Months Ended
	Sep. 30, 2024	Nov. 05, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2024
Document Transition Report	false
Entity File Number	000-56237
Entity Registrant Name	SERVE ROBOTICS INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3844872
Entity Address, Address Line One	730 Broadway
Entity Address, City or Town	Redwood City
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94063
City Area Code	(818)
Local Phone Number	860-1352
Title of 12(b) Security	Common Stock, par value $0.0001 per share
Trading Symbol	SERV
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		44,298,197
Central Index Key	0001832483
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2024