| Cover Page | Feb. 08, 2023 |
| Document Information [Line Items] | |
| Document Type | 8-K/A |
| Document Period End Date | Feb. 08, 2023 |
| Entity Registrant Name | LanzaTech Global, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Securities Act File Number | 001-40282 |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001843724 |
| Amendment Flag | false |
| Current Fiscal Year End Date | --12-31 |
| Common Stock, par value $0.0001 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $0.0001 per share |
| Trading Symbol | LNZA |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Redeemable Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 |
| Trading Symbol | LNZAW |
| Security Exchange Name | NASDAQ |
