Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 26, 2019	Jan. 27, 2018	Jan. 26, 2019	Jan. 27, 2018
REVENUE:
Revenue	$ 12,446	$ 11,887	$ 25,518	$ 24,023
COST OF SALES:
Total cost of sales	4,673	4,389	9,599	9,098
GROSS MARGIN	7,773	7,498	15,919	14,925
OPERATING EXPENSES:
Research and development	1,557	1,549	3,165	3,116
Sales and marketing	2,271	2,235	4,681	4,569
General and administrative	509	483	720	1,040
Amortization of purchased intangible assets	39	60	73	121
Restructuring and other charges	186	98	264	250
Total operating expenses	4,562	4,425	8,903	9,096
OPERATING INCOME	3,211	3,073	7,016	5,829
Interest income	328	396	672	775
Interest expense	(223)	(247)	(444)	(482)
Other income (loss), net	27	10	8	72
Interest and other income (loss), net	132	159	236	365
INCOME BEFORE PROVISION FOR INCOME TAXES	3,343	3,232	7,252	6,194
Provision for income taxes	521	12,010	881	12,578
NET INCOME (LOSS)	$ 2,822	$ (8,778)	$ 6,371	$ (6,384)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.63	$ (1.78)	$ 1.41	$ (1.29)
Diluted (in dollars per share)	$ 0.63	$ (1.78)	$ 1.40	$ (1.29)
Shares used in per-share calculation:
Basic (in shares)	4,470	4,924	4,517	4,942
Diluted (in shares)	4,505	4,924	4,557	4,942
Product
REVENUE:
Revenue	$ 9,273	$ 8,709	$ 19,163	$ 17,763
COST OF SALES:
Total cost of sales	3,614	3,354	7,413	6,969
Service
REVENUE:
Revenue	3,173	3,178	6,355	6,260
COST OF SALES:
Total cost of sales	$ 1,059	$ 1,035	$ 2,186	$ 2,129