CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Net sales	$ 260,174	$ 265,595	$ 229,234
Cost of sales	161,782	163,756	141,048
Gross margin	98,392	101,839	88,186
Operating expenses:
Research and development	16,217	14,236	11,581
Selling, general and administrative	18,245	16,705	15,261
Total operating expenses	34,462	30,941	26,842
Operating income	63,930	70,898	61,344
Other income/(expense), net	1,807	2,005	2,745
Income before provision for income taxes	65,737	72,903	64,089
Provision for income taxes	10,481	13,372	15,738
Net income	$ 55,256	$ 59,531	$ 48,351
Earnings per share:
Basic (in dollars per share)	$ 11.97	$ 12.01	$ 9.27
Diluted (in dollars per share)	$ 11.89	$ 11.91	$ 9.21
Shares used in computing earnings per share:
Basic (in shares)	4,617,834	4,955,377	5,217,242
Diluted (in shares)	4,648,913	5,000,109	5,251,692
Products
Net sales	$ 213,883	$ 225,847	$ 196,534
Cost of sales	144,996	148,164	126,337
Services
Net sales	46,291	39,748	32,700
Cost of sales	$ 16,786	$ 15,592	$ 14,711