Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 25, 2014	Jan. 26, 2013	Jan. 25, 2014	Jan. 26, 2013
REVENUE:
Product	$ 8,423	$ 9,437	$ 17,820	$ 18,734
Service	2,732	2,661	5,420	5,240
Total revenue	11,155	12,098	23,240	23,974
COST OF SALES:
Product	4,323	3,857	8,070	7,605
Service	881	898	1,812	1,787
Total cost of sales	5,204	4,755	9,882	9,392
GROSS MARGIN	5,951	7,343	13,358	14,582
OPERATING EXPENSES:
Research and development	1,412	1,452	3,136	2,883
Sales and marketing	2,277	2,387	4,688	4,803
General and administrative	451	584	966	1,144
Amortization of Purchased Intangible Assets	71	118	136	240
Restructuring and other charges	73	13	310	72
Total operating expenses	4,284	4,554	9,236	9,142
OPERATING INCOME	1,667	2,789	4,122	5,440
Interest income	169	160	338	321
Interest expense	(136)	(147)	(276)	(295)
Other income (loss), net	55	(22)	111	(55)
Interest and other income (loss), net	88	(9)	173	(29)
INCOME BEFORE PROVISION FOR (BENEFIT FROM) INCOME TAXES	1,755	2,780	4,295	5,411
Provision for (benefit from) income taxes	326	(363)	870	176
NET INCOME	$ 1,429	$ 3,143	$ 3,425	$ 5,235
Net income per share-basic (in dollars per share)	$ 0.27	$ 0.59	$ 0.64	$ 0.99
Net income per share-diluted (in dollars per share)	$ 0.27	$ 0.59	$ 0.64	$ 0.98
Shares used in per-share calculation-basic (in shares)	5,294	5,318	5,336	5,310
Shares used in per-share calculation-diluted (in shares)	5,327	5,357	5,383	5,344
Cash dividends declared per common share (in dollars per share)	$ 0.17	$ 0.14	$ 0.34	$ 0.28