| Document and Entity Information | Jun. 07, 2023 |
| Details | |
| Registrant CIK | 0000799235 |
| Document Type | 8-K |
| Document Effective Date | Dec. 07, 2023 |
| Document Period End Date | Dec. 07, 2023 |
| Entity Registrant Name | ERHC ENERGY INC |
| Entity Incorporation, State or Country Code | CO |
| Entity File Number | 000-17325 |
| Entity Tax Identification Number | 88-0218499 |
| Entity Address, Address Line One | 5444 Westheimer Road, Suite 1000, #181 |
| Entity Address, City or Town | Houston |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 77056 |
| Entity Address, Address Description | Address of Principal Executive Offices |
| Phone Fax Number Description | Registrant's telephone number, including area code |
| City Area Code | 713 |
| Local Phone Number | 626-4700 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
