v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 07, 2026
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Transition Report false  
Entity File Number 001-39598  
Entity Registrant Name XOS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 98-1550505  
Entity Address, Address Line One 3550 Tyburn Street  
Entity Address, City or Town Los Angeles  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 90065  
City Area Code 818  
Local Phone Number 316-1890  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   14,217,852
Amendment Flag false  
Entity Central Index Key 0001819493  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Common Stock    
Entity Information [Line Items]    
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol XOS  
Security Exchange Name NASDAQ  
Common stock underlying public and private warrants    
Entity Information [Line Items]    
Title of 12(b) Security Warrants, every thirty warrants exercisable for one share of Common Stock at an exercise price of $345.00 per share  
Trading Symbol XOSWW  
Security Exchange Name NASDAQ