Document And Entity Information - shares
 6 Months Ended
Jun. 30, 2023
Aug. 21, 2023
Document Information Line Items    
Entity Registrant Name US NUCLEAR CORP.  
Document Type 10-Q  
Current Fiscal Year End Date --12-31  
Entity Common Stock, Shares Outstanding   36,390,478
Amendment Flag false  
Entity Central Index Key 0001543623  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Period End Date Jun. 30, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q2  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 000-54617  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 45-4535739  
Entity Address, Address Line One 7051 Eton Avenue  
Entity Address, City or Town Canoga Park  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 91303  
City Area Code (818)  
Local Phone Number 883-7043  
Entity Interactive Data Current Yes