Quarterly Financial Data (Unaudited) (Schedule Of Quarterly Financial Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended												12 Months Ended
	Oct. 03, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014		Jun. 28, 2014		Mar. 29, 2014		Dec. 28, 2013		Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Sales	$ 10,506	$ 10,071	$ 9,979	$ 10,817	$ 10,105		$ 9,682		$ 9,032		$ 8,761		$ 41,373	$ 37,580	$ 34,374
Gross profit	986	986	989	956	712		637		651		685		3,917	2,685	2,358
Operating Income	550	563	547	509	306		351		361		412		2,169	1,430	1,375
Net Income	259	344	311	310	136		258		210		252		1,224	856	778
Net Income Attributable to Tyson	$ 258	$ 343	$ 310	$ 309	$ 137		$ 260		$ 213		$ 254		$ 1,220	$ 864	$ 778
Diluted (USD per share)	$ 0.63	$ 0.83	$ 0.75	$ 0.74	$ 0.35	[1]	$ 0.73	[1]	$ 0.60	[1]	$ 0.72	[1]	$ 2.95	$ 2.37	$ 2.12
Class A [Member]
Basic (USD per share)	0.65	0.86	0.78	0.77	0.37	[1]	0.75	[1]	0.64	[1]	0.76	[1]	3.06	2.48	2.26
Class B [Member]
Basic (USD per share)	$ 0.59	$ 0.78	$ 0.71	$ 0.71	$ 0.32		$ 0.68		$ 0.58		$ 0.68		$ 2.79	$ 2.26	$ 2.04

[1] The sum of the quarterly earnings per share amounts will not equal the total for the year due to the effects of rounding and dilution impact as a result of issuing Class A shares and tangible equity units in the fourth quarter of fiscal 2014.