Business And Summary Of Significant Accounting Policies (Schedule Of Inventories Of Processed Products, Livestock, And Supplies Valued At Lower Of Cost Or Market) (Details) (USD $) In Millions	Oct. 01, 2011	Oct. 02, 2010
Total inventory	$ 2,587	$ 2,274
Chicken And Prepared Foods [Member]
Weighted-average method	715	721
Beef And Pork [Member]
First-in, first-out method	581	462
Livestock [Member]
First-in, first-out method	928	759
Supplies And Other [Member]
Weighted-average method	$ 363	$ 332