| Cover | Apr. 24, 2023 |
| Cover [Abstract] | |
| Entity Registrant Name | METATERRA CORP. |
| Entity Central Index Key | 0001918884 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Apr. 24, 2023 |
| Entity Incorporation State Country Code | NV |
| Entity File Number | 333-263777 |
| Entity Tax Identification Number | 98-1611421 |
| Entity Address Address Line 1 | Calle Principal 54 |
| Entity Address City Or Town | MunozPuerto Plata |
| Entity Address Country | DO |
| Entity Address Postal Zip Code | 57000 |
| City Area Code | 346 |
| Local Phone Number | 308-4967 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
