| Cover | May 04, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 4, 2022 |
| Entity File Number | 333-156091 |
| Entity Registrant Name | Alterola Biotech, Inc. |
| Entity Central Index Key | 0001442999 |
| Entity Tax Identification Number | 82-1317032 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 47 Hamilton Square |
| Entity Address, City or Town | Birkenhead Merseyside |
| Entity Address, Country | GB |
| Entity Address, Postal Zip Code | CH41 5AR |
| City Area Code | +44 |
| Local Phone Number | 151 601 9477 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
