Accounting Policies [Line Items]

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- Definition

Checks Outstanding In Excess Of Related Book Cash Balances

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- Definition

Indefinite-lived intangibles, Percentage of Fair Value in Excess of Carrying Amount

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- Definition

Maximum Length Of Time Hedged Anticipated Transactions

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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- Definition

Amount of allowance for credit loss on accounts receivable.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount before 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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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

Percentage of fair value of reporting unit in excess of carrying amount.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Business And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($)	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Accounting Policies [Line Items]
Checks outstanding in excess of related book cash	$ 200,000,000
Allowance for uncollectible accounts	$ 26,000,000	$ 21,000,000
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount	20.00%
Maximum Length Of Time Hedged Anticipated Transactions	18 months
Research and development costs	$ 98,000,000	97,000,000	$ 114,000,000
Goodwill	$ 11,516,000,000	11,461,000,000	10,356,000,000
Indefinite-lived intangibles, Percentage of Fair Value in Excess of Carrying Amount	20.00%
Selling, General and Administrative Expenses [Member]
Accounting Policies [Line Items]
Advertising Expense	$ 283,000,000	$ 276,000,000	$ 243,000,000
Minimum [Member] \| Customer Relationships [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years
Maximum [Member] \| Brands & Trademarks
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] \| Customer Relationships [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	30 years
Buildings And Leasehold Improvements [Member] \| Minimum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	10 years
Buildings And Leasehold Improvements [Member] \| Maximum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	33 years
Machinery And Equipment [Member] \| Minimum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	3 years
Machinery And Equipment [Member] \| Maximum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	12 years
Land Improvements [Member] \| Minimum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	3 years
Land Improvements [Member] \| Maximum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	20 years
Domestic Chicken [Member]
Accounting Policies [Line Items]
Goodwill	$ 3,266