Goodwill And Other Intangible Assets (Goodwill Activity) (Details) (USD $) In Millions	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Goodwill and Other Intangible Assets [Line Items]
Goodwill	$ 2,481	$ 2,482	$ 2,477
Accumulated impairment losses	(589)	(589)	(560)
Goodwill, net	1,892	1,893	1,917
Impairment losses	0	(29)	(560)
Currency translation and other	(1)	5
Chicken [Member]
Goodwill and Other Intangible Assets [Line Items]
Goodwill	978	979	973
Accumulated impairment losses	(29)	(29)	0
Goodwill, net	949	950	973
Impairment losses	0	(29)
Currency translation and other	(1)	6
Beef [Member]
Goodwill and Other Intangible Assets [Line Items]
Goodwill	1,123	1,123	1,123
Accumulated impairment losses	(560)	(560)	(560)
Goodwill, net	563	563	563
Impairment losses	0	0
Currency translation and other	0	0
Pork [Member]
Goodwill and Other Intangible Assets [Line Items]
Goodwill	317	317	317
Accumulated impairment losses	0	0	0
Goodwill, net	317	317	317
Impairment losses	0	0
Currency translation and other	0	0
Prepared Foods [Member]
Goodwill and Other Intangible Assets [Line Items]
Goodwill	63	63	64
Accumulated impairment losses	0	0	0
Goodwill, net	63	63	64
Impairment losses	0	0
Currency translation and other	$ 0	$ (1)