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Derivative Financial Instruments (Pretax Impact Of Undesignated Derivative Instruments On The Consolidated Statements Of Income) (Details) - Not Designated as Hedging Instrument [Member] - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2018	Sep. 30, 2017	Oct. 01, 2016
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ (18)	$ 16	$ (54)
Commodity Contracts [Member] | Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	18	111	(73)
Commodity Contracts [Member] | Cost of Sales [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	(33)	(95)	17
Foreign Currency [Member] | Other Nonoperating Income (Expense) [Member]
Derivative [Line Items]
Gain/(Loss) Recognized in Earnings	$ (3)	$ 0	$ 2

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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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.

+ References

No definition available.

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