Derivative Instruments - Carrying Amount and Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 10,301	$ 11,542
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(724)	(923)
Current Portion of Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 2,954	$ 1,414
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Current portion of borrowings	Current portion of borrowings
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (44)	$ (10)
Long-term Portion of Borrowings
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 7,347	$ 10,128
Hedged Liability, Statement of Financial Position [Extensible Enumeration]	Borrowings	Borrowings
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (680)	$ (913)

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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Amount of liability hedged in fair value hedging relationship.

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Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk. Excludes cumulative basis adjustment related to foreign exchange risk.

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