Earnings Per Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Earnings Per Share, Basic and Diluted [Line Items]
Net Income	$ 753	$ 526	$ 1,702	$ 1,414
Less: Net Income Attributable to Noncontrolling Interests	4	0	10	7
Net income attributable to Tyson	749	526	1,692	1,407
Undistributed earnings	$ 589	$ 375	$ 1,205	$ 940
Stock options, restricted stock and performance units	3	2	2	3
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversions	366	364	365	366
Diluted	$ 2.05	$ 1.44	$ 4.63	$ 3.85
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 132	$ 124	$ 401	$ 385
Undistributed earnings	$ 485	$ 309	$ 992	$ 774
Weighted average number of shares outstanding - Basic	293	292	293	293
Net Income Per Share Attributable to Tyson - Basic	$ 2.11	$ 1.48	$ 4.76	$ 3.96
Common Stock, Dividends, Per Share, Declared	$ 0.445	$ 0.420	$ 1.360	$ 1.305
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 28	$ 27	$ 86	$ 82
Undistributed earnings	$ 104	$ 66	$ 213	$ 166
Weighted average number of shares outstanding - Basic	70	70	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 1.89	$ 1.33	$ 4.27	$ 3.55
Common Stock, Dividends, Per Share, Declared	$ 0.400	$ 0.378	$ 1.224	$ 1.175