| Cover | Feb. 20, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 20, 2024 |
| Entity File Number | 000-56237 |
| Entity Registrant Name | SERVE ROBOTICS INC. |
| Entity Central Index Key | 0001832483 |
| Entity Tax Identification Number | 85-3844872 |
| Entity Incorporation, State or Country Code | DE |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
