| Cover | Jan. 10, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 10, 2024 |
| Entity File Number | 333-257331 |
| Entity Registrant Name | COJAX OIL AND GAS CORP |
| Entity Central Index Key | 0001763925 |
| Entity Tax Identification Number | 46-1892622 |
| Entity Incorporation, State or Country Code | VA |
| Entity Address, Address Line One | 3033 Wilson Boulevard |
| Entity Address, Address Line Two | Suite E-605 |
| Entity Address, City or Town | Arlington |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 22201 |
| City Area Code | (703) |
| Local Phone Number | 216-8606 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
