v3.26.1
Cover - shares
 6 Months Ended
Jun. 30, 2026
Aug. 13, 2026
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Transition Report false  
Entity Interactive Data Current Yes  
Amendment Flag false  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Entity Registrant Name CO2 ENERGY TRANSITION CORP.  
Entity Central Index Key 0001956648  
Entity Tax Identification Number 87-2950691  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Entity File Number 001-42417  
Entity Shell Company true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Small Business true  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 1334 Brittmoore Rd  
Entity Address, Address Line Two Suite 190  
Entity Address, City or Town Houston  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 77043  
City Area Code (346)  
Local Phone Number 250-5000  
Entity Common Stock, Shares Outstanding   3,716,465
Common Stock    
Document Information [Line Items]    
Trading Symbol NOEM  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Warrants    
Document Information [Line Items]    
Trading Symbol NOEMW  
Title of 12(b) Security Warrants  
Security Exchange Name NASDAQ  
Rights    
Document Information [Line Items]    
Trading Symbol NOEMR  
Title of 12(b) Security Rights  
Security Exchange Name NASDAQ  
Units    
Document Information [Line Items]    
Trading Symbol NOEMU  
Title of 12(b) Security Units  
Security Exchange Name NASDAQ