| Document and Entity Information | Feb. 05, 2021 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 5, 2021 |
| Entity Registrant Name | Vishay Intertechnology, Inc. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-7416 |
| Entity Tax Identification Number | 38-1686453 |
| Entity Address, Address Line One | 63 Lancaster Avenue |
| Entity Address, City or Town | Malvern |
| Entity Address, State or Province | PA |
| Entity Address, Postal Zip Code | 19355 |
| City Area Code | 610 |
| Local Phone Number | 644-1300 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000103730 |
| Trading Symbol | VSH |
| Security Exchange Name | NYSE |
| Title of 12(b) Security | Common stock, par value $0.10 per share |
