v3.26.1
Cover Page - shares
 6 Months Ended
Jun. 30, 2026
Aug. 14, 2026
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2026  
Document Fiscal Year Focus 2026  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Tax Identification Number 98-1821196  
Document Transition Report false  
Entity File Number 001-43264  
Entity Registrant Name CH4 Natural Solutions Corporation  
Entity Central Index Key 0002044817  
Entity Incorporation, State or Country Code E9  
Entity Address, Address Line One 712 Fifth Avenue  
Entity Address, Address Line Two 36th Floor  
Entity Address, City or Town New York  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10019  
City Area Code 212  
Local Phone Number 993-0076  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company true  
Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one warrant [Member]    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-half of one warrant  
Trading Symbol MTNE.U  
Security Exchange Name NYSE  
Class A ordinary shares, par value $0.0001 per share [Member]    
Document Information [Line Items]    
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol MTNE  
Security Exchange Name NYSE  
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share [Member]    
Document Information [Line Items]    
Title of 12(b) Security Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share  
Trading Symbol MTNE.WS  
Security Exchange Name NYSE  
Class A ordinary shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   22,200,000
Class B ordinary shares [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   7,333,334