Segment Reporting Segment Reporting (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 29, 2014	Mar. 30, 2013	Mar. 29, 2014 Segments	Mar. 30, 2013
Segment Reporting Information [Line Items]
Sales	$ 9,032	$ 8,383	$ 17,793	$ 16,749
Number of Operating Segments			5
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Sales	(311)	(269)	(598)	(534)
Intersegment Elimination [Member] | Chicken [Member]
Segment Reporting Information [Line Items]
Sales	2	6	4	8
Intersegment Elimination [Member] | Beef [Member]
Segment Reporting Information [Line Items]
Sales	67	54	130	97
Intersegment Elimination [Member] | Pork [Member]
Segment Reporting Information [Line Items]
Sales	242	209	464	429
Other Income/Expense [Member]
Segment Reporting Information [Line Items]
Foreign Currency Transaction Gain (Loss), Realized		$ 19	$ 1	$ 19