Earnings Per Share (Schedule Of Earnings Per Share, Basic And Diluted) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Earnings Per Share, Basic and Diluted [Line Items]
Net Income	$ 1,126	$ 472
Less: Net Income Attributable to Noncontrolling Interests	5	5
Net income attributable to Tyson	1,121	467
Undistributed earnings	$ 951	$ 299
Stock options, restricted stock and performance units	3	2
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversions	365	365
Diluted	$ 3.07	$ 1.28
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 140	$ 138
Undistributed earnings	$ 782	$ 246
Weighted average number of shares outstanding - Basic	292	293
Net Income Per Share Attributable to Tyson - Basic	$ 3.16	$ 1.31
Common Stock, Dividends, Per Share, Declared	$ 0.475	$ 0.470
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less dividends declared:	$ 30	$ 30
Undistributed earnings	$ 169	$ 53
Weighted average number of shares outstanding - Basic	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 2.84	$ 1.18
Common Stock, Dividends, Per Share, Declared	$ 0.428	$ 0.423