Document and Entity Information - shares	6 Months Ended
	Jul. 03, 2021	Aug. 06, 2021
Entity Listings [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Period End Date	Jul. 03, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity Registrant Name	Vishay Intertechnology, Inc.
Entity Incorporation, State or Country Code	DE
Entity File Number	001-07416
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
Entity Filer Category	Large Accelerated Filer
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Small Business	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q2
Entity Central Index Key	0000103730
Title of 12(b) Security	Common stock, par value $0.10 per share
Trading Symbol	VSH
Security Exchange Name	NYSE
Common stock, par value $0.10 per share [Member]
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		132,710,732
Class B Convertible Common Stock [Member]
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		12,097,148