v3.26.1
Cover
 12 Months Ended
Jun. 17, 2026
Dec. 31, 2026
Cover [Abstract]    
Document Type 8-K  
Amendment Flag false  
Document Period End Date Jun. 17, 2026  
Current Fiscal Year End Date   --12-31
Entity File Number 1-38519  
Entity Registrant Name Serina Therapeutics, Inc.  
Entity Central Index Key 0001708599  
Entity Tax Identification Number 82-1436829  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 601 Genome Way  
Entity Address, Address Line Two Suite 2001  
Entity Address, City or Town Huntsville  
Entity Address, State or Province AL  
Entity Address, Postal Zip Code 35806  
City Area Code (256)  
Local Phone Number 327-9630  
Written Communications false  
Soliciting Material false  
Pre-commencement Tender Offer false  
Pre-commencement Issuer Tender Offer false  
Title of 12(b) Security Common Stock, par value $0.0001 per share  
Trading Symbol SE  
Security Exchange Name NYSEAMER  
Entity Emerging Growth Company false