| Cover | Jan. 10, 2025 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Jan. 10, 2025 |
| Entity File Number | 001-41209 |
| Entity Registrant Name | FORMATION MINERALS, INC. |
| Entity Central Index Key | 0001885336 |
| Entity Tax Identification Number | 87-2406468 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | P.O. Box 67 |
| Entity Address, City or Town | Jacksboro |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 76458 |
| City Area Code | 972 |
| Local Phone Number | 217-4080 |
| 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 |
