Cover	6 Months Ended
	Jun. 30, 2023 shares
Document Information [Line Items]
Document Type	10-Q/A
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
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	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding	195,674,502
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001843724
Amendment Flag	true
Document Fiscal Year Focus	2023
Amendment Description	EXPLANATORY NOTEThis Amendment No. 1 to Quarterly Report on Form 10-Q/A (the “Amended Report”) filed by LanzaTech Global, Inc. (the “Company”) amends and restates certain information included in the Company’s Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2023, filed with the Securities and Exchange Commission (the “SEC”) on August 9, 2023 (the “Original Report”).As described in the Company's Current Report on Form 8-K filed with the SEC on November 9, 2023, on November 8, 2023, the Audit Committee of the Company, after considering the recommendations of management, concluded that the Company’s previously issued consolidated financial statements as of and for the quarters ended March 31, 2023 and June 30, 2023 (collectively, the “Previous Financial Statements”) should no longer be relied upon. Similarly, any previously filed or furnished reports, related earnings releases, investor presentations or similar communications of the Company describing the Previous Financial Statements should no longer be relied upon. The determination relates to Company’s interpretation of the accounting guidance applicable to the Company’s forward purchase agreement, dated February 3, 2023, with ACM ARRT H LLC (as assigned in part to Vellar Opportunity Fund SPV LLC, the “FPA”).The Company is filing this Amended Report for the purpose of revising the accounting treatment of the FPA in its financial statements as of June 30, 2023, to reclassify the prepayment amount, previously recorded as part of the non-current net derivative asset in the condensed consolidated balance sheet, to the equity section of the condensed consolidated balance sheet with any remaining balance of the prepaid forward contract, including the in-substance written put option, maturity consideration and the share consideration, classified as non-current liabilities in its condensed consolidated balance sheet in its financial statements as of June 30, 2023, included in this Form 10-Q/A.In connection with the determinations described above, management of the Company has concluded that a material weakness in the Company’s internal control over financial reporting existed as of June 30, 2023 and that the Company’s disclosure controls and procedures were not effective as of June 30, 2023. See additional discussion included in Part I – Item 4, “Controls and Procedures” of this Amended Report.
Common stock
Document Information [Line Items]
Title of 12(b) Security	Common stock
Trading Symbol	LNZA
Security Exchange Name	NASDAQ
Warrants
Document Information [Line Items]
Title of 12(b) Security	Warrants
Trading Symbol	LNZAW
Security Exchange Name	NASDAQ