Cover
| Cover | May 07, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 07, 2022 |
| Entity File Number | 333-145876 |
| Entity Registrant Name | Cannonau Corp. |
| Entity Central Index Key | 0001410187 |
| Entity Tax Identification Number | 84-2870437 |
| Entity Incorporation, State or Country Code | NV |
| Entity Address, Address Line One | 937 Old Seneca Turnpike Road |
| Entity Address, City or Town | Skaneateles |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 13252-9318 |
| City Area Code | 315 |
| Local Phone Number | 558-3702 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |