v3.26.1
Document and Entity Information
Jun. 03, 2026
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001789029
Document Type 8-K
Document Period End Date Jun. 03, 2026
Entity Registrant Name Aeva Technologies, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-39204
Entity Tax Identification Number 84-3080757
Entity Address, Address Line One 555 Ellis Street
Entity Address, City or Town Mountain View
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94043
City Area Code (650)
Local Phone Number 481-7070
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common stock, $0.0001 par value per share
Trading Symbol AEVA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false