XML 18 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information - USD ($)
 12 Months Ended
Sep. 30, 2017
Oct. 28, 2017
Apr. 01, 2017
Entity Registrant Name TYSON FOODS INC    
Entity Central Index Key 0000100493    
Current Fiscal Year End Date --09-30    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Sep. 30, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Class A [Member]      
Entity Common Stock, Shares Outstanding   297,708,610  
Entity Public Float     $ 17,568,317,217
Class B [Member]      
Entity Common Stock, Shares Outstanding   70,010,355  
Entity Public Float     $ 663,691