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. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Earnings Per Share, Basic and Diluted [Line Items]
Net Income	$ 448	$ 485	$ 1,383	$ 1,380
Less: Net income attributable to noncontrolling interest	1	1	3	3
Net Income Attributable to Tyson	447	484	1,380	1,377
Undistributed earnings	$ 367	$ 430	$ 1,116	$ 1,197
Stock options, restricted stock and performance units	4	6	5	6
Denominator for diluted earnings per share - adjusted weighted average shares and assumed conversions	370	388	371	394
Net Income Per Share Attributable to Tyson - Diluted	$ 1.21	$ 1.25	$ 3.72	$ 3.50
Class A [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less Dividends Declared:	$ 66	$ 45	$ 217	$ 149
Undistributed earnings	$ 302	$ 358	$ 920	$ 999
Weighted average number of shares outstanding - Basic	296	312	296	318
Net Income Per Share Attributable to Tyson - Basic	$ 1.24	$ 1.29	$ 3.84	$ 3.61
Class B [Member]
Earnings Per Share, Basic and Diluted [Line Items]
Less Dividends Declared:	$ 14	$ 9	$ 47	$ 31
Undistributed earnings	$ 65	$ 72	$ 196	$ 198
Weighted average number of shares outstanding - Basic	70	70	70	70
Net Income Per Share Attributable to Tyson - Basic	$ 1.12	$ 1.17	$ 3.47	$ 3.28