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Cover
Sep. 24, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 24, 2025
Entity File Number 001-40675
Entity Registrant Name Immuneering Corporation
Entity Central Index Key 0001790340
Entity Tax Identification Number 26-1976972
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 245 Main St.
Entity Address, Address Line Two Second Floor
Entity Address, City or Town Cambridge
Entity Address, State or Province MA
Entity Address, Postal Zip Code 02142
City Area Code 617
Local Phone Number 500-8080
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Class A Common Stock, par value $0.001 per share
Trading Symbol IMRX
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false