Segment Information and Geographic Data - Reconciliation of Segment Operating Income to the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 25,352	$ 22,998	$ 93,625	$ 87,332
Research and development expense	(8,006)	(7,442)	(23,605)	(22,608)
Operating segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	35,095	32,090	122,889	114,983
Segment reconciling items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Research and development expense	(8,006)	(7,442)	(23,605)	(22,608)
Corporate non-segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Other corporate expenses, net	$ (1,737)	$ (1,650)	$ (5,659)	$ (5,043)