| Cover | Feb. 11, 2022 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 11, 2022 |
| Entity File Number | 0-5278 |
| Entity Registrant Name | IEH Corporation |
| Entity Central Index Key | 0000050292 |
| Entity Tax Identification Number | 13-5549348 |
| Entity Incorporation, State or Country Code | NY |
| 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 |
| City Area Code | (718) |
| Local Phone Number | 492-4440 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | IEHC |
| Security Exchange Name | NONE |
| Entity Emerging Growth Company | false |
| Entity Information, Former Legal or Registered Name | Not Applicable |
