Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 26, 2013	Oct. 27, 2012
REVENUE:
Product	$ 9,397	$ 9,297
Service	2,688	2,579
Total revenue	12,085	11,876
COST OF SALES:
Product	3,747	3,748
Service	931	889
Total cost of sales	4,678	4,637
GROSS MARGIN	7,407	7,239
OPERATING EXPENSES:
Research and development	1,724	1,431
Sales and marketing	2,411	2,416
General and administrative	515	560
Amortization of Purchased Intangible Assets	65	122
Restructuring and other charges	237	59
Total operating expenses	4,952	4,588
OPERATING INCOME	2,455	2,651
Interest income	169	161
Interest expense	(140)	(148)
Other income (loss), net	56	(33)
Interest and other income (loss), net	85	(20)
INCOME BEFORE PROVISION FOR INCOME TAXES	2,540	2,631
Provision for income taxes	544	539
NET INCOME	$ 1,996	$ 2,092
Net income per share-basic (in dollars per share)	$ 0.37	$ 0.39
Net income per share-diluted (in dollars per share)	$ 0.37	$ 0.39
Shares used in per-share calculation-basic (in shares)	5,378	5,301
Shares used in per-share calculation-diluted (in shares)	5,430	5,334
Cash dividends declared per common share (in dollars per share)	$ 0.17	$ 0.14