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Business And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2017	Oct. 01, 2016	Oct. 03, 2015
Accounting Policies [Line Items]
Checks outstanding in excess of related book cash	$ 237	$ 261
Allowance for uncollectible accounts	$ 34	$ 33
Percentage of FIFO Inventory	63.00%	61.00%
Maximum length of time hedged anticipated transactions	18 months
Research and development costs	$ 113	$ 96	$ 75
Indefinite-lived Intangible Assets [Member]
Accounting Policies [Line Items]
Fair Value Inputs, Discount Rate	7.90%	7.90%
Goodwill [Member]
Accounting Policies [Line Items]
Fair Value Inputs, Discount Rate	6.70%	6.20%
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 and Other [Member] | Minimum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	3 years
Land Improvements and Other [Member] | Maximum [Member]
Accounting Policies [Line Items]
Property, plant, and equipment estimated lives	20 years
Immaterial Reporting Unit [Member]
Accounting Policies [Line Items]
Goodwill, Impairment Loss			23
Selling, General and Administrative Expenses [Member]
Accounting Policies [Line Items]
Advertising Expense	$ 238	$ 238	$ 181
Brands and Trademarks [Member] | Maximum [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Customer Relationships [Member] | Minimum [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	7 years
Customer Relationships [Member] | Maximum [Member]
Accounting Policies [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years

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Accounting Policies [Line Items]

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Checks Outstanding In Excess Of Related Book Cash Balances

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Maximum Length Of Time Hedged Anticipated Transactions

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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.

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Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

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