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Segment Reporting (Narrative) (Details) $ in Millions	3 Months Ended		9 Months Ended
Segment Reporting (Narrative) (Details) $ in Millions	Jul. 02, 2022 USD ($) Segments	Jul. 03, 2021 USD ($)	Jul. 02, 2022 USD ($)	Jul. 03, 2021 USD ($)	Oct. 02, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of Operating Segments \| Segments	4
Sales	$ 13,495	$ 12,478	$ 39,545	$ 34,238
Loss Contingency Accrual	203		203		$ 567
Operating Income (Loss)	1,033	1,062	3,644	2,487
Loss Contingency, Loss in Period		306		626
Assets Disposed of by Method Other than Sale, in Period of Disposition, Gain (Loss) on Disposition		(4)		(23)
Beef [Member]
Segment Reporting Information [Line Items]
Sales	4,959	4,954	14,995	12,987
Unusual or Infrequent Item, or Both, Insurance Proceeds	27		27
Beef [Member] \| Revised Results due to misappropriated Company funds [Member]
Segment Reporting Information [Line Items]
Unusual or Infrequent Item, or Both, Net (Gain) Loss				55
Pork [Member]
Segment Reporting Information [Line Items]
Sales	1,619	1,715	4,810	4,631
Chicken [Member]
Segment Reporting Information [Line Items]
Sales	4,366	3,476	12,342	9,860
Unusual or Infrequent Item, or Both, Insurance Proceeds	8		26
Prepared Foods [Member]
Segment Reporting Information [Line Items]
Sales	2,447	2,323	7,173	6,600
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Sales	602	488	1,717	1,444
Operating Segments [Member] \| Beef [Member]
Segment Reporting Information [Line Items]
Sales	4,959	4,954	14,995	12,987
Operating Income (Loss)	533	1,120	2,127	2,093
Operating Segments [Member] \| Pork [Member]
Segment Reporting Information [Line Items]
Sales	1,619	1,715	4,810	4,631
Operating Income (Loss)	25	67	248	250
Operating Segments [Member] \| Chicken [Member]
Segment Reporting Information [Line Items]
Sales	4,366	3,476	12,342	9,860
Operating Income (Loss)	277	(279)	615	(489)
Operating Segments [Member] \| Prepared Foods [Member]
Segment Reporting Information [Line Items]
Sales	2,447	2,323	7,173	6,600
Operating Income (Loss)	186	150	635	633
Segment Reconciling Items [Member] \| Corporate and Other [Member]
Segment Reporting Information [Line Items]
Sales	602	488	1,717	1,444
Operating Income (Loss)	12	4	19	0
Intersegment Eliminations
Segment Reporting Information [Line Items]
Sales	$ (498)	(478)	$ (1,492)	(1,284)
Cost of Sales
Segment Reporting Information [Line Items]
Loss Contingency, Loss in Period		81		81
Sales
Segment Reporting Information [Line Items]
Loss Contingency, Loss in Period		225		545
Sales \| Chicken [Member]
Segment Reporting Information [Line Items]
Loss Contingency, Loss in Period		$ 225		$ 545