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Document and Entity Information (USD $)
3 Months Ended
Mar. 29, 2014
Jun. 29, 2013
May 02, 2014
Common Stock [Member]
May 02, 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 Q1      
Document Type 10-Q      
Amendment Flag false      
Document Period End Date Mar. 29, 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   $ 1,835,000,000