Goodwill And Intangible Assets (Goodwill Activity) (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Goodwill [Roll Forward]
Goodwill, net	$ 10,513	$ 10,549	$ 10,899
Goodwill, Foreign Currency Translation Gain (Loss)	(36)
Goodwill, Written off Related to Sale of Business Unit		(350)
Beef [Member]
Goodwill [Roll Forward]
Accumulated Impairment Loss	560	560	560
Goodwill, net	676	676	676
Pork [Member]
Goodwill [Roll Forward]
Goodwill, net	423	423	423
Chicken [Member]
Goodwill [Roll Forward]
Goodwill, net	3,273	3,274	3,274
Goodwill, Foreign Currency Translation Gain (Loss)	(1)
Prepared Foods [Member]
Goodwill [Roll Forward]
Goodwill, net	5,784	5,784	6,134
Goodwill, Written off Related to Sale of Business Unit		(350)
Corporate and Other [Member]
Goodwill [Roll Forward]
Accumulated Impairment Loss	57	57	57
Goodwill, net	357	392	392
Goodwill, Foreign Currency Translation Gain (Loss)	(35)
Unallocated Goodwill
Goodwill [Roll Forward]
Goodwill, net	$ 0	$ 0	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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