Document and Entity Information (USD $)	6 Months Ended
	Jun. 28, 2014	Jul. 25, 2014 Common Stock [Member]	Jul. 25, 2014 Class B Convertible Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		135,319,976	12,129,227
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 28, 2014
Entity Registrant Name	VISHAY INTERTECHNOLOGY INC
Entity Central Index Key	0000103730
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float	$ 2,068,000,000