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- Definition

Short Term Investment Maturity Period

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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- Definition

Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Amount of other-than-temporary impairment (OTTI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized in earnings and other comprehensive loss (OCI).

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Amount of other-than-temporary impairment (OTTI) on investment in debt security, recognized in earnings.

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Amount after tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.

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Fair Value Measurements Fair Value Measurements (Narrative) (Details) - USD ($)	12 Months Ended
	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	$ 16,000,000	$ 95,000,000
Other-than-temporary Impairment Loss, Debt Securities, Portion Recognized in Earnings	0	0
Other-than-temporary Impairment Loss, Debt Securities, Available-for-sale	0
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, Net of Tax, Portion Attributable to Parent	0	0
Asset Impairment Charges	$ 48,000,000	$ 94,000,000	$ 175,000,000
Wal-Mart Stores, Inc. [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Concentration, Percentage	16.50%	16.20%
Prepared Foods business [Member] \| Prepared Foods [Member] \| Cost of Sales [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges		$ 41,000,000
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] \| Non-Protein Business [Member] \| Prepared Foods [Member] \| Cost of Sales [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			101,000,000
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] \| Non-Protein Business [Member] \| Fair Value, Nonrecurring [Member] \| Cost of Sales [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Asset Impairment Charges			$ 101,000,000
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short Term Investment Maturity Period	12 months
Available For Sale Securities Debt Maturity Period	40 years
Maximum [Member] \| Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Concentration, Percentage	10.00%	10.00%