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Business And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
Accounting Policies [Line Items] |  |  |
Checks outstanding in excess of related book cash | $ 200 | $ 220 |
Allowance for uncollectible accounts | $ 21 | 19 |
Maximum length of time hedged anticipated transactions | 18 months |  |
Research and development costs | $ 97 | 114 | $ 113
Selling, General and Administrative Expenses [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Advertising Expense | $ 276 | $ 243 | $ 238
Measurement Input, Discount Rate [Member] | Indefinite-lived Intangible Assets [Member] |  |  |
Accounting Policies [Line Items] |  |  |
Annual Indefinite Life Intangible Test, Discount Rate | 7.50% | 8.20% |
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 |  |

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- Definition Checks Outstanding In Excess Of Related Book Cash Balances + References No definition available. + Details
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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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