v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 04, 2026
Entity Addresses [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-42023  
Entity Registrant Name SERVE ROBOTICS INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 85-3844872  
Entity Address, Address Line One 1360 Bayport Avenue  
Entity Address, City or Town San Carlos  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94070  
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   86,707,507
Central Index Key 0001832483  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2026  
Former Address    
Entity Addresses [Line Items]    
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