v3.26.3
Cover - USD ($)
 12 Months Ended
Jun. 30, 2026
Sep. 28, 2026
Dec. 31, 2025
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Jun. 30, 2026    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2026    
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    
Title of 12(g) Security Common Stock, $0.001 par value    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
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 Public Float     $ 14,600,418
Entity Common Stock, Shares Outstanding   323,820,459  
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction [Flag] false    
Auditor Firm ID 572    
Auditor Name Weinberg & Company, P.A.    
Auditor Location Los Angeles, California