Segment Information and Geographic Data - Information by Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 24, 2022
Segment Reporting Information [Line Items]
Net sales	$ 391,035	$ 383,285	$ 394,328
Operating income	123,216	114,301	119,437
Americas
Segment Reporting Information [Line Items]
Net sales	167,045	162,560	169,658
Operating income	67,656	60,508	62,683
Europe
Segment Reporting Information [Line Items]
Net sales	101,328	94,294	95,118
Operating income	41,790	36,098	35,233
Greater China
Segment Reporting Information [Line Items]
Net sales	66,952	72,559	74,200
Operating income	27,082	30,328	31,153
Japan
Segment Reporting Information [Line Items]
Net sales	25,052	24,257	25,977
Operating income	12,454	11,888	12,257
Rest of Asia Pacific
Segment Reporting Information [Line Items]
Net sales	30,658	29,615	29,375
Operating income	$ 13,062	$ 12,066	$ 11,569