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
	Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ 22,998	$ 23,076	$ 87,332	$ 94,543
Research and development expense	(7,442)	(6,797)	(22,608)	(19,490)
Operating segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	32,090	31,583	114,983	119,455
Segment reconciling items
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Research and development expense	(7,442)	(6,797)	(22,608)	(19,490)
Corporate non-segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Other corporate expenses, net	$ (1,650)	$ (1,710)	$ (5,043)	$ (5,422)