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Document and Entity Information
Feb. 20, 2023
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Feb. 20, 2023
Entity File Number 001-11460
Entity Registrant Name Eterna Therapeutics Inc.
Entity Central Index Key 0000748592
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 31-1103425
Entity Address, Address Line One 10531 4S COMMONS DRIVE
Entity Address, Address Line Two SUITE 166-550
Entity Address, City or Town SAN DIEGO
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92127
City Area Code 212
Local Phone Number 582-1199
Title of 12(b) Security Common Stock, par value $0.005 per share
Trading Symbol ERNA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false