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Goodwill And Intangible Assets (Goodwill Activity) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Goodwill [Roll Forward]
Goodwill, beginning of period	$ 11,516	$ 11,461
Accumulated impairment losses	(617)	(617)	$ (617)
Goodwill, net	10,549	10,899	10,844
Goodwill, Written off Related to Sale of Business Unit	(350)
Goodwill, Foreign Currency Translation Gain (Loss)		9
Measurement period adjustments		46
Goodwill, end of period	11,166	11,516
Beef [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	1,236	1,236
Accumulated impairment losses	(560)	(560)	(560)
Goodwill, net	676	676	676
Goodwill, Foreign Currency Translation Gain (Loss)		0
Measurement period adjustments		0
Goodwill, end of period	1,236	1,236
Pork [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	423	423
Accumulated impairment losses	0	0	0
Goodwill, net	423	423	423
Goodwill, Foreign Currency Translation Gain (Loss)		0
Measurement period adjustments		0
Goodwill, end of period	423	423
Chicken [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	3,274	3,274
Accumulated impairment losses	0	0	0
Goodwill, net	3,274	3,274	3,274
Goodwill, Foreign Currency Translation Gain (Loss)		0
Measurement period adjustments		0
Goodwill, end of period	3,274	3,274
Prepared Foods [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	6,134	6,134
Accumulated impairment losses	0	0	0
Goodwill, net	5,784	6,134	6,134
Goodwill, Written off Related to Sale of Business Unit	(350)
Goodwill, Foreign Currency Translation Gain (Loss)		0
Measurement period adjustments		0
Goodwill, end of period	5,784	6,134
Other [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	449	394
Accumulated impairment losses	(57)	(57)	(57)
Goodwill, net	392	392	337
Goodwill, Foreign Currency Translation Gain (Loss)		9
Measurement period adjustments		46
Goodwill, end of period	449	449
Unallocated Goodwill [Member]
Goodwill [Roll Forward]
Goodwill, beginning of period	0	0
Accumulated impairment losses	0	0	0
Goodwill, net	0	0	$ 0
Goodwill, Foreign Currency Translation Gain (Loss)		0
Measurement period adjustments		0
Goodwill, end of period	$ 0	$ 0

X

- Definition

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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-SubTopic 210
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