Cover - shares	6 Months Ended
	Jun. 30, 2024	Oct. 01, 2024
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Entity Interactive Data Current	Yes
Amendment Flag	false
Document Period End Date	Jun. 30, 2024
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Entity Information [Line Items]
Entity Registrant Name	US NUCLEAR CORP.
Entity Central Index Key	0001543623
Entity File Number	000-54617
Entity Tax Identification Number	45-4535739
Entity Incorporation, State or Country Code	DE
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Contact Personnel [Line Items]
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
Entity Phone Fax Numbers [Line Items]
City Area Code	(818)
Local Phone Number	883-7043
Entity Listings [Line Items]
Title of 12(b) Security	Common
Trading Symbol	UCLE
Security Exchange Name	NONE
Entity Common Stock, Shares Outstanding		48,425,778