Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jan. 27, 2018	Jan. 28, 2017	Jan. 27, 2018	Jan. 28, 2017
REVENUE:
Product	$ 8,709	$ 8,491	$ 17,763	$ 17,793
Service	3,178	3,089	6,260	6,139
Total revenue	11,887	11,580	24,023	23,932
COST OF SALES:
Product	3,354	3,305	6,969	6,708
Service	1,035	999	2,129	2,064
Total cost of sales	4,389	4,304	9,098	8,772
GROSS MARGIN	7,498	7,276	14,925	15,160
OPERATING EXPENSES:
Research and development	1,549	1,508	3,116	3,053
Sales and marketing	2,235	2,222	4,569	4,640
General and administrative	483	456	1,040	1,011
Amortization of purchased intangible assets	60	64	121	142
Restructuring and other charges	98	133	250	544
Total operating expenses	4,425	4,383	9,096	9,390
OPERATING INCOME	3,073	2,893	5,829	5,770
Interest income	396	329	775	624
Interest expense	(247)	(222)	(482)	(420)
Other income (loss), net	10	(37)	72	(58)
Interest and other income (loss), net	159	70	365	146
INCOME BEFORE PROVISION FOR INCOME TAXES	3,232	2,963	6,194	5,916
Provision for income taxes	12,010	615	12,578	1,246
NET INCOME (LOSS)	$ (8,778)	$ 2,348	$ (6,384)	$ 4,670
Net income (loss) per share:
Basic (in dollars per share)	$ (1.78)	$ 0.47	$ (1.29)	$ 0.93
Diluted (in dollars per share)	$ (1.78)	$ 0.47	$ (1.29)	$ 0.92
Shares used in per-share calculation:
Basic (in shares)	4,924	5,015	4,942	5,021
Diluted (in shares)	4,924	5,040	4,942	5,054
Cash dividends declared per common share (in dollars per share)	$ 0.29	$ 0.26	$ 0.58	$ 0.52