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Document and Entity Information - USD ($)
 12 Months Ended
Oct. 01, 2016
Oct. 29, 2016
Apr. 02, 2016
Entity Registrant Name TYSON FOODS INC    
Entity Central Index Key 0000100493    
Current Fiscal Year End Date --10-01    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Oct. 01, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Class A [Member]      
Entity Common Stock, Shares Outstanding   290,558,412  
Entity Public Float     $ 20,012,635,241
Class B [Member]      
Entity Common Stock, Shares Outstanding   70,010,755  
Entity Public Float     $ 732,308