Derivative Financial Instruments (Pretax Impact Of Undesignated Derivative Instruments On The Consolidated Statements Of Income) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Derivative [Line Items]
Cost of Sales	$ 10,858	$ 8,709	$ 30,188	$ 27,951
Other Nonoperating Income (Expense)	(7)	(11)	(38)	(133)
Interest expense	105	122	325	361
Cost of Sales
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	41	(12)	121	(69)
Not Designated as Hedging Instrument \| Commodity contracts \| Cost of Sales
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	66	(74)	162	(171)
Not Designated as Hedging Instrument \| Foreign exchange contracts \| Other income/expense
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(3)	(4)	(2)	(3)
Fair Value Hedging [Member] \| Commodity contracts \| Cost of Sales
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(25)	69	(40)	116
Cash Flow Hedging [Member] \| Commodity contracts \| Cost of Sales
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	(7)	(1)	(14)
Cash Flow Hedging [Member] \| Interest Rate Contract [Member] \| Interest Expense [Member]
Derivative [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0	$ (1)	$ (1)	$ (3)

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227

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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=125515794&loc=SL5618551-113959

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No definition available.

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Interest and debt related expenses associated with nonoperating financing activities of the entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
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