Earnings Per Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Earnings Per Share, Basic and Diluted [Line Items]
Net Income	$ 477	$ 379	$ 949	$ 888
Less: Net Income Attributable to Noncontrolling Interests	1	3	6	7
Net income attributable to Tyson	476	376	943	881
Undistributed earnings	$ 317	$ 226	$ 616	$ 565
Stock options, restricted stock and performance units	2	2	2	3
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversions	365	365	365	366
Diluted	$ 1.30	$ 1.03	$ 2.58	$ 2.41
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 131	$ 124	$ 269	$ 261
Undistributed earnings	$ 261	$ 186	$ 507	$ 465
Weighted average number of shares outstanding - Basic	293	293	293	293
Net Income Per Share Attributable to Tyson - Basic	$ 1.34	$ 1.06	$ 2.65	$ 2.48
Common Stock, Dividends, Per Share, Declared	$ 0.445	$ 0.420	$ 0.915	$ 0.885
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 28	$ 26	$ 58	$ 55
Undistributed earnings	$ 56	$ 40	$ 109	$ 100
Weighted average number of shares outstanding - Basic	70	70	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 1.20	$ 0.95	$ 2.38	$ 2.22
Common Stock, Dividends, Per Share, Declared	$ 0.401	$ 0.378	$ 0.824	$ 0.797