Segment Reporting (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 01, 2017 USD ($)	Apr. 02, 2016 USD ($)	Apr. 01, 2017 USD ($) Segments	Apr. 02, 2016 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | Segments			4
Sales	$ 9,083	$ 9,170	$ 18,265	$ 18,322
Intersegment Elimination [Member]
Segment Reporting Information [Line Items]
Sales	(337)	(286)	(626)	(592)
Intersegment Elimination [Member] | Beef [Member]
Segment Reporting Information [Line Items]
Sales	(88)	(78)	(160)	(150)
Intersegment Elimination [Member] | Pork [Member]
Segment Reporting Information [Line Items]
Sales	(240)	(204)	(450)	(435)
Intersegment Elimination [Member] | Chicken [Member]
Segment Reporting Information [Line Items]
Sales	$ (9)	$ (4)	$ (16)	$ (7)