Derivative Instruments - Carrying Amount and Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions	Sep. 28, 2024	Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 11,542	$ 12,187
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(923)	(1,753)
Current Portion of Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 1,414	$ 1,439
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Current portion of borrowings	Current portion of borrowings
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (10)	$ (59)
Long-term Portion of Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 10,128	$ 10,748
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Borrowings	Borrowings
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (913)	$ (1,694)

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.

No definition available.

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- Definition

Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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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
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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- Definition

Indicates line item in statement of financial position that includes hedged liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4EE
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4EE

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