Quarterly Financial Data (Unaudited) (Schedule Of Quarterly Financial Information) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended	12 Months Ended
Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Sales	$ 10,105	$ 9,682	$ 9,032	$ 8,761	$ 8,894	$ 8,731	$ 8,383	$ 8,366	$ 37,580	$ 34,374	$ 33,055
Gross profit	712	637	651	685	669	682	468	539	2,685	2,358	2,190
Operating Income	306	351	361	412	416	419	236	304	1,430	1,375	1,286
Net income	136	258	210	252	259	245	106	168	856	778	576
Net Income from Continuing Operations Attributable to Tyson	137	260	213	254	261	253	157	177	864	848	621
Net Loss from Discontinued Operation Attributable to Tyson					0	(4)	(62)	(4)	0	(70)	(38)
Net Income Attributable to Tyson	$ 137	$ 260	$ 213	$ 254	$ 261	$ 249	$ 95	$ 173	$ 864	$ 778	$ 583
Net Income Per Share from Continuing Operations Attributable to Tyson - Diluted	$ 0.35	$ 0.73	$ 0.60	$ 0.72	$ 0.70	$ 0.69	$ 0.43	$ 0.49	$ 2.37	$ 2.31	$ 1.68
Net Loss Per Share from Discontinued Operation Attributable to Tyson - Diluted					$ 0.00	$ (0.01)	$ (0.17)	$ (0.01)	$ 0.00	$ (0.19)	$ (0.10)
Diluted (USD per share)	$ 0.35	$ 0.73	$ 0.60	$ 0.72	$ 0.70	$ 0.68	$ 0.26	$ 0.48	$ 2.37	$ 2.12	$ 1.58
Class A [Member]
Net Income Per Share from Continuing Operations Attributable to Tyson - Basic	$ 0.37	$ 0.75	$ 0.64	$ 0.76	$ 0.77	$ 0.73	$ 0.45	$ 0.51	$ 2.48	$ 2.46	$ 1.75
Net Loss Per Share from Discontinued Operation Attributable to Tyson - Basic					$ 0.00	$ (0.01)	$ (0.18)	$ (0.01)	$ 0.00	$ (0.20)	$ (0.11)
Basic (USD per share)	$ 0.37	$ 0.75	$ 0.64	$ 0.76	$ 0.77	$ 0.72	$ 0.27	$ 0.50	$ 2.48	$ 2.26	$ 1.64
Class B [Member]
Net Income Per Share from Continuing Operations Attributable to Tyson - Basic	$ 0.32	$ 0.68	$ 0.58	$ 0.68	$ 0.70	$ 0.66	$ 0.40	$ 0.46	$ 2.26	$ 2.22	$ 1.57
Net Loss Per Share from Discontinued Operation Attributable to Tyson - Basic					$ 0.00	$ (0.02)	$ (0.15)	$ (0.01)	$ 0.00	$ (0.18)	$ (0.09)
Basic (USD per share)	$ 0.32	$ 0.68	$ 0.58	$ 0.68	$ 0.70	$ 0.64	$ 0.25	$ 0.45	$ 2.26	$ 2.04	$ 1.48

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