v3.25.1
Capital Structure - Additional Information (Details) - $ / shares
 3 Months Ended
Mar. 31, 2025
Dec. 31, 2024
Mar. 18, 2024
Class Of Stock [Line Items]      
Common stock, shares authorized 422,000,000 422,000,000 0
Preferred stock, par value $ 0.0001 $ 0.0001  
Preferred stock, shares authorized 10,000,000 10,000,000  
Preferred stock, shares issued 0 0  
Pre-combination Aeva preferred stock outstanding 0 0  
Common stock, par value $ 0.0001 $ 0.0001 $ 0.0001
Public Warrants [Member]      
Class Of Stock [Line Items]      
Class of Warrant or Right, Outstanding 12,074,876    
Private Warrants [Member]      
Class Of Stock [Line Items]      
Warrants issued to purchase shares of common stock, Exercise price $ 57.5    
Class of Warrant or Right, Outstanding 384,000    
Class of Warrant, Exercisable Shares 2,491,776    
A Series Warrants [Member]      
Class Of Stock [Line Items]      
Warrants issued to purchase shares of common stock, Exercise price $ 5    
Class of Warrant or Right, Outstanding 3,000,000