| Cover Page | Dec. 29, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 29, 2021 |
| Entity File Number | 000-12627 |
| Entity Registrant Name | GLOBAL CLEAN ENERGY HOLDINGS, INC. |
| Entity Central Index Key | 0000748790 |
| Entity Tax Identification Number | 87-0407858 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 2790 Skypark Drive |
| Entity Address, Address Line Two | Suite 105 |
| Entity Address, City or Town | Torrance |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 90505 |
| City Area Code | 310 |
| Local Phone Number | 641-4234 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
