Cover - shares	6 Months Ended
	Sep. 30, 2024	Nov. 08, 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	Sep. 30, 2024
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Entity Information [Line Items]
Entity Registrant Name	IEH Corporation
Entity Central Index Key	0000050292
Entity File Number	0-5278
Entity Tax Identification Number	13-5549348
Entity Incorporation, State or Country Code	NY
Current Fiscal Year End Date	--03-31
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	140 58th Street
Entity Address, Address Line Two	Suite 8E
Entity Address, City or Town	Brooklyn
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	11220
Entity Phone Fax Numbers [Line Items]
City Area Code	(718)
Local Phone Number	492-4440
Entity Listings [Line Items]
Trading Symbol	IEHC
Security Exchange Name	NONE
Title of 12(g) Security	Shares of common stock, $0.01 par value
Entity Common Stock, Shares Outstanding		2,380,251