Equity (Narrative) (Details) shares in Millions		12 Months Ended
	Nov. 13, 2020 $ / shares	Oct. 03, 2020 Classes $ / shares shares	Sep. 28, 2019 $ / shares	Sep. 29, 2018 $ / shares
Class of Stock [Line Items]
Number of classes of common stock | Classes		2
Cash Dividends, Paid Ratio To Other Class Of Stock, Maximum		90.00%
Tyson Limited Partnership And Tyson Family [Member]
Class of Stock [Line Items]
Related Party Voting Rights Percentage		71.06%
Class A [Member]
Class of Stock [Line Items]
Common stock, par value		$ 0.10	$ 0.10
Common Stock, Vote Entitlement Per Share		1
Common Stock, Dividends, Per Share, Cash Paid		1.68	1.50	$ 1.20
Common Stock, Dividends, Per Share, Declared		$ 1.725	1.575	1.275
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased | shares		18.9
Class A [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.445
Class A [Member] | Tyson Limited Partnership And Tyson Family [Member]
Class of Stock [Line Items]
Tyson Family Ownership Percentage		2.23%
Class B [Member]
Class of Stock [Line Items]
Common stock, par value		$ 0.10	0.10
Common Stock, Vote Entitlement Per Share		10
Common Stock, Dividends, Per Share, Cash Paid		1.51	1.35	1.08
Common Stock, Dividends, Per Share, Declared		$ 1.553	$ 1.418	$ 1.148
Class B [Member] | Subsequent Event [Member]
Class of Stock [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.4005
Class B [Member] | Tyson Limited Partnership [Member]
Class of Stock [Line Items]
Tyson Family Ownership Percentage		99.985%