Condensed Consolidated Financial Statement Details - Other Income/(Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 25, 2021	Dec. 26, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest and dividend income	$ 650	$ 747
Interest expense	(694)	(638)
Other expense, net	(203)	(64)
Total other income/(expense), net	$ (247)	$ 45

Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of income (expense) related to nonoperating activities, classified as other.

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