Cover	12 Months Ended
	Dec. 31, 2021 USD ($) shares
Cover [Abstract]
Document Type	10-K/A
Amendment Flag	true
Amendment Description	This Amendment No. 1 to the Annual Report on Form 10-K of Cannonau Corp. (the "Company") for the fiscal year ended on December 31, 2021, as originally filed on May 05, 2022 (such Annual Report on Form 10-K being referred to as the "Annual Report," and this Amendment No. 1 as "Amendment No. 1"), is being filed solely to incorporate audit report along with audited financial statements. This Amendment No. 1 is not intended to, nor does it, reflect events occurring after the filing of the Annual Report, and does not modify or update the disclosures therein in any way other than as required to reflect the change described above. Accordingly, this Amendment No. 1 should be read in conjunction with the Company's filings made with the Securities and Exchange Commission subsequent to the filing of the Annual Report on December 31, 2021.
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2021
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Current Fiscal Year End Date	--12-31
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
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	No
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float | $	$ 1,088,276
Entity Bankruptcy Proceedings, Reporting Current	true
Entity Common Stock, Shares Outstanding | shares	241,815,632
Auditor Name	Victor Mokuolu, CPA PLLC
Auditor Firm ID	6771
Auditor Location	Houston, Texas