Condensed Consolidated Financial Statement Details - Other Income/(Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 26, 2022	Mar. 27, 2021	Mar. 26, 2022	Mar. 27, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest and dividend income	$ 700	$ 718	$ 1,350	$ 1,465
Interest expense	(691)	(670)	(1,385)	(1,308)
Other income/(expense), net	151	460	(52)	396
Total other income/(expense), net	$ 160	$ 508	$ (87)	$ 553

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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