v3.26.1
Segment Information - Information by Reportable Segment (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Segment Reporting Information [Line Items]        
Net sales $ 109,417 $ 94,036 $ 364,357 $ 313,695
Cost of sales (54,647) (50,318) (185,575) (166,835)
Research and development (11,729) (8,866) (34,035) (25,684)
Selling and marketing (5,034) (4,769) (15,632) (14,601)
General and administrative (2,312) (1,881) (6,683) (5,952)
Operating income 35,695 28,202 122,432 100,623
Corporate non-segment        
Segment Reporting Information [Line Items]        
Research and development (11,729) (8,866) (34,035) (25,684)
General and administrative (2,312) (1,881) (6,683) (5,952)
Operating income (14,041) (10,747) (40,718) (31,636)
Americas | Operating segments        
Segment Reporting Information [Line Items]        
Net sales 45,781 41,198 149,403 134,161
Cost of sales (21,507) (22,174) (76,470) (71,763)
Selling and marketing (2,573) (2,513) (7,906) (7,604)
Operating income 21,701 16,511 65,027 54,794
Europe | Operating segments        
Segment Reporting Information [Line Items]        
Net sales 29,395 24,014 95,596 82,329
Cost of sales (14,732) (12,379) (47,549) (43,447)
Selling and marketing (1,220) (1,134) (3,762) (3,458)
Operating income 13,443 10,501 44,285 35,424
Greater China | Operating segments        
Segment Reporting Information [Line Items]        
Net sales 18,816 15,369 64,839 49,884
Cost of sales (10,771) (8,970) (34,434) (27,523)
Selling and marketing (639) (577) (2,018) (1,753)
Operating income 7,406 5,822 28,387 20,608
Japan | Operating segments        
Segment Reporting Information [Line Items]        
Net sales 6,554 5,782 24,368 22,067
Cost of sales (3,310) (2,695) (12,088) (10,698)
Selling and marketing (240) (215) (824) (749)
Operating income 3,004 2,872 11,456 10,620
Rest of Asia Pacific | Operating segments        
Segment Reporting Information [Line Items]        
Net sales 8,871 7,673 30,151 25,254
Cost of sales (4,327) (4,100) (15,034) (13,404)
Selling and marketing (362) (330) (1,122) (1,037)
Operating income $ 4,182 $ 3,243 $ 13,995 $ 10,813