Derivative Instruments Carrying Amount and Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions	Apr. 01, 2023	Oct. 01, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 12,708	$ 13,355
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(1,431)	(1,736)
Current Portion of Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	0	997
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	0	(3)
Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	12,708	12,358
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (1,431)	$ (1,733)

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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- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=125515794&loc=SL109999712-113959

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