Cover - shares	3 Months Ended
	Dec. 31, 2021	Feb. 11, 2022
Cover [Abstract]
Entity Registrant Name	CYTTA CORP.
Entity Central Index Key	0001383088
Document Type	10-Q
Amendment Flag	false
Current Fiscal Year End Date	--09-30
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2021
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2022
Entity Common Stock Shares Outstanding		376,315,718
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	333-257458
Entity Incorporation State Country Code	NV
Entity Tax Identification Number	98-0505761
Entity Address Address Line 1	5450 W Sahara Ave Suite 300A
Entity Address City Or Town	Las Vegas
Entity Address State Or Province	NV
Entity Address Postal Zip Code	89146
City Area Code	702
Local Phone Number	900-7022
Entity Interactive Data Current	Yes