| Document and Entity Information | Sep. 20, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Sep. 20, 2024 |
| Entity Registrant Name | Tamboran Resources Corp |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-42149 |
| Entity Tax Identification Number | 93-4111196 |
| Entity Address Address Line 1 | Suite 01, Level 39, Tower One, International Towers Sydney |
| Entity Address Address Line 2 | 100 Barangaroo Avenue |
| Entity Address City Or Town | Barangaroo |
| Entity Address Postal Zip Code | NSW 2000 |
| Entity Address Country | AU |
| Country Region | 61 |
| City Area Code | 2 |
| Local Phone Number | 8330 6626 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common stock, $0.001 par value per share |
| Trading Symbol | TBN |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Amendment Flag | false |
| Entity Central Index Key | 0001997652 |
