Derivative Financial Instruments (Aggregate Outstanding Notionals) (Details) lb in Millions, bu in Millions, $ in Millions	Jan. 02, 2021 USD ($) lb T bu	Oct. 03, 2020 USD ($) T lb bu
Corn (in bushels)
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | bu	5	43
Soy Meal (in tons)
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount | T	579,833	428,300
Live Cattle (in pounds)
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	165	234
Lean Hogs (in pounds)
Derivative [Line Items]
Derivative, Nonmonetary Notional Amount	254	283
Foreign Currency [Member]
Derivative [Line Items]
Derivative, Notional Amount | $	$ 412	$ 536