Cover - shares	6 Months Ended
	Dec. 31, 2022	Feb. 07, 2023
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--06-30
Entity File Number	000-53239
Entity Registrant Name	Cavitation Technologies, Inc.
Entity Central Index Key	0001376793
Entity Tax Identification Number	20-4907818
Entity Incorporation, State or Country Code	NV
Entity Address, Address Line One	10019 CANOGA AVENUE
Entity Address, City or Town	CHATSWORTH
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	91311
City Area Code	(818)
Local Phone Number	718-0905
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		276,698,831