v3.25.2
Document And Entity Information
Jul. 25, 2025
Document Information [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 25, 2025
Entity Registrant Name Aeva Technologies, Inc.
Entity Central Index Key 0001789029
Entity Emerging Growth Company false
Entity File Number 001-39204
Entity Incorporation, State or Country Code DE
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
Entity Information, Former Legal or Registered Name Not Applicable
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Common Stock [Member]  
Document Information [Line Items]  
Title of 12(b) Security Common stock, par value $0.0001 per share
Trading Symbol AEVA
Security Exchange Name NASDAQ
Warrants to Purchase [Member]  
Document Information [Line Items]  
Title of 12(b) Security Warrants to purchase common stock
Trading Symbol AEVAW
Security Exchange Name NASDAQ