| Cover | Nov. 08, 2021 |
| Entity Addresses [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Nov. 8, 2021 |
| Entity File Number | 000-55030 |
| Entity Registrant Name | GREENWAY TECHNOLOGIES, INC. |
| Entity Central Index Key | 0001572386 |
| Entity Tax Identification Number | 90-0893594 |
| Entity Incorporation, State or Country Code | TX |
| Entity Address, Address Line One | 1521 North Cooper Street |
| Entity Address, Address Line Two | Suite 205 |
| Entity Address, City or Town | Arlington |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 76011 |
| City Area Code | 800 |
| Local Phone Number | 289-2515 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common |
| Trading Symbol | GWTI |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Former Address [Member] | |
| Entity Addresses [Line Items] | |
| Entity Address, Address Line One | (8851 Camp Bowie West Blvd |
| Entity Address, Address Line Two | Suite 240 |
| Entity Address, City or Town | Fort Worth |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 76116) |
