v3.25.1
Cover - USD ($)
 12 Months Ended
Dec. 31, 2024
Apr. 30, 2025
Jun. 30, 2024
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Annual Report true    
Document Transition Report false    
Document Period End Date Dec. 31, 2024    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2024    
Current Fiscal Year End Date --12-31    
Entity File Number 000-50773    
Entity Registrant Name IIOT-OXYS, INC.    
Entity Central Index Key 0001290658    
Entity Tax Identification Number 81-3485426    
Entity Incorporation, State or Country Code NV    
Entity Address, Address Line One 705 Cambridge Street    
Entity Address, City or Town Cambridge    
Entity Address, State or Province MA    
Entity Address, Postal Zip Code 02141    
City Area Code 401    
Local Phone Number 307-3092    
Title of 12(g) Security Common Stock, Par Value $0.001    
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     $ 600,813
Entity Common Stock, Shares Outstanding   560,315,293  
ICFR Auditor Attestation Flag false    
Document Financial Statement Error Correction Flag false    
Award Timing MNPI Considered [Flag] true    
Auditor Name Fruci & Associates II    
Auditor Firm ID 5525    
Auditor Location Spokane, Washington