Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 19, 2020
Document And Entity Information
Entity Registrant Name	CANNONAU CORP.
Entity Central Index Key	0001410187
Document Type	10-Q
Document Period End Date	Sep. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Is Entity a Shell Business	false
Is Entity's Reporting Status Current?	Yes
Entity Interactive Data Current	Yes
Is Entity Emerging Growth Company?	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Common Stock, Shares Outstanding		241,377,179
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020