Consolidated Financial Statement Details - Other Income/(Expense), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 24, 2022	Sep. 25, 2021	Sep. 26, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest and dividend income	$ 2,825	$ 2,843	$ 3,763
Interest expense	(2,931)	(2,645)	(2,873)
Other income/(expense), net	(228)	60	(87)
Total other income/(expense), net	$ (334)	$ 258	$ 803