Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 29, 2022	Jan. 23, 2021	Jan. 29, 2022	Jan. 23, 2021
REVENUE:
Total revenue	$ 12,720	$ 11,960	$ 25,620	$ 23,889
COST OF SALES:
Total cost of sales	4,671	4,176	9,518	8,524
GROSS MARGIN	8,049	7,784	16,102	15,365
OPERATING EXPENSES:
Research and development	1,670	1,527	3,384	3,139
Sales and marketing	2,266	2,277	4,527	4,494
General and administrative	544	484	1,095	1,028
Amortization of purchased intangible assets	79	39	163	75
Restructuring and other charges	3	234	8	836
Total operating expenses	4,562	4,561	9,177	9,572
OPERATING INCOME	3,487	3,223	6,925	5,793
Interest income	111	161	232	335
Interest expense	(88)	(113)	(177)	(225)
Other income (loss), net	93	(16)	280	33
Interest and other income (loss), net	116	32	335	143
INCOME BEFORE PROVISION FOR INCOME TAXES	3,603	3,255	7,260	5,936
Provision for income taxes	630	710	1,307	1,217
NET INCOME	$ 2,973	$ 2,545	$ 5,953	$ 4,719
Net income per share:
Basic (in dollars per share)	$ 0.71	$ 0.60	$ 1.42	$ 1.12
Diluted (in dollars per share)	$ 0.71	$ 0.60	$ 1.41	$ 1.11
Shares used in per-share calculation:
Basic (in shares)	4,183	4,223	4,201	4,227
Diluted (in shares)	4,205	4,234	4,222	4,239
Product
REVENUE:
Total revenue	$ 9,353	$ 8,572	$ 18,882	$ 17,159
COST OF SALES:
Total cost of sales	3,569	3,044	7,242	6,250
Service
REVENUE:
Total revenue	3,367	3,388	6,738	6,730
COST OF SALES:
Total cost of sales	$ 1,102	$ 1,132	$ 2,276	$ 2,274