Segment Reporting (Narrative) (Details) $ in Millions	3 Months Ended
	Dec. 31, 2022 USD ($) Segments	Jan. 01, 2022 USD ($)	Oct. 01, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments | Segments	4
Sales	$ 13,260	$ 12,933
Loss Contingency Accrual	194		$ 215
Operating Income (Loss)	467	1,455
Unusual or Infrequent Item, or Both, Insurance Proceeds		23
Broiler Antitrust Civil Litigation [Member]
Segment Reporting Information [Line Items]
Loss Contingency Accrual	111		$ 122
Beef [Member]
Segment Reporting Information [Line Items]
Sales	4,723	5,002
Unusual or Infrequent Item, or Both, Insurance Proceeds	42
Pork [Member]
Segment Reporting Information [Line Items]
Sales	1,529	1,626
Chicken [Member]
Segment Reporting Information [Line Items]
Sales	4,263	3,890
Unusual or Infrequent Item, or Both, Net of Insurance Proceeds	7
Prepared Foods [Member]
Segment Reporting Information [Line Items]
Sales	2,538	2,333
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Sales	612	550
Operating Segments [Member] | Beef [Member]
Segment Reporting Information [Line Items]
Sales	4,723	5,002
Operating Income (Loss)	166	956
Operating Segments [Member] | Pork [Member]
Segment Reporting Information [Line Items]
Sales	1,529	1,626
Operating Income (Loss)	(21)	164
Operating Segments [Member] | Chicken [Member]
Segment Reporting Information [Line Items]
Sales	4,263	3,890
Operating Income (Loss)	69	140
Operating Segments [Member] | Prepared Foods [Member]
Segment Reporting Information [Line Items]
Sales	2,538	2,333
Operating Income (Loss)	258	186
Segment Reconciling Items [Member] | Corporate and Other [Member]
Segment Reporting Information [Line Items]
Sales	612	550
Operating Income (Loss)	(5)	9
Intersegment Eliminations
Segment Reporting Information [Line Items]
Sales	$ (405)	$ (468)