Derivative Instruments Carrying Amount and Cumulative Basis Adjustment for Fair Value Hedges (Details) - USD ($) $ in Millions	Mar. 28, 2026	Sep. 27, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	$ 11,791	$ 10,301
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(715)	(724)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:LongTermNotesAndLoans
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	9,885	7,347
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	(687)	(680)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:NotesAndLoansPayableCurrent
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Hedged Liability, Fair Value Hedge	1,906	2,954
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	$ (28)	$ (44)

- 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.

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