Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 25, 2020	Jan. 26, 2019	Jan. 25, 2020	Jan. 26, 2019
REVENUE:
Revenue	$ 12,005	$ 12,446	$ 25,164	$ 25,518
COST OF SALES:
Total cost of sales	4,241	4,673	8,936	9,599
GROSS MARGIN	7,764	7,773	16,228	15,919
OPERATING EXPENSES:
Research and development	1,570	1,557	3,236	3,165
Sales and marketing	2,279	2,271	4,759	4,681
General and administrative	455	509	974	720
Amortization of purchased intangible assets	38	39	74	73
Restructuring and other charges	42	186	226	264
Total operating expenses	4,384	4,562	9,269	8,903
OPERATING INCOME	3,380	3,211	6,959	7,016
Interest income	242	328	515	672
Interest expense	(158)	(223)	(336)	(444)
Other income (loss), net	70	27	82	8
Interest and other income (loss), net	154	132	261	236
INCOME BEFORE PROVISION FOR INCOME TAXES	3,534	3,343	7,220	7,252
Provision for income taxes	656	521	1,416	881
NET INCOME	$ 2,878	$ 2,822	$ 5,804	$ 6,371
Net income per share:
Basic (in dollars per share)	$ 0.68	$ 0.63	$ 1.37	$ 1.41
Diluted (in dollars per share)	$ 0.68	$ 0.63	$ 1.36	$ 1.40
Shares used in per-share calculation:
Basic (in shares)	4,242	4,470	4,244	4,517
Diluted (in shares)	4,260	4,505	4,265	4,557
Product
REVENUE:
Revenue	$ 8,671	$ 9,273	$ 18,549	$ 19,163
COST OF SALES:
Total cost of sales	3,126	3,614	6,650	7,413
Service
REVENUE:
Revenue	3,334	3,173	6,615	6,355
COST OF SALES:
Total cost of sales	$ 1,115	$ 1,059	$ 2,286	$ 2,186