v3.25.2
Cover - shares
 6 Months Ended
Jun. 30, 2025
Aug. 14, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-40282  
Entity Registrant Name LanzaTech Global, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 92-2018969  
Entity Address, Address Line One 8045 Lamon Avenue  
Entity Address, Address Line Two Suite 400  
Entity Address, City or Town Skokie  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60077  
City Area Code 847  
Local Phone Number 324-2400  
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   231,995,967
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0001843724  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Common stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $0.0000001 par value  
Trading Symbol LNZA  
Security Exchange Name NASDAQ  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants to purchase common stock  
Trading Symbol LNZAW  
Security Exchange Name NASDAQ