v3.26.1
Cover - shares
3 Months Ended
Mar. 31, 2026
Jul. 09, 2026
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Mar. 31, 2026  
Document Fiscal Period Focus Q1  
Document Fiscal Year Focus 2026  
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 56-2415252  
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 Current Reporting Status Yes  
Entity Interactive Data Current No  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   586,385,063