Consolidated Statements Of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
REVENUE:
Product	$ 38,029	$ 36,326	$ 34,526
Service	10,578	9,735	8,692
Total revenue	48,607	46,061	43,218
COST OF SALES:
Product	15,541	14,505	13,647
Service	3,626	3,347	3,035
Total cost of sales	19,167	17,852	16,682
GROSS MARGIN	29,440	28,209	26,536
OPERATING EXPENSES:
Research and development	5,942	5,488	5,823
Sales and marketing	9,538	9,647	9,812
General and administrative	2,264	2,322	1,908
Amortization of purchased intangible assets	395	383	520
Restructuring And Other Charges	105	304	799
Total operating expenses	18,244	18,144	18,862
OPERATING INCOME	11,196	10,065	7,674
Interest income	654	650	641
Interest expense	(583)	(596)	(628)
Other income (loss), net	(40)	40	138
Interest and other income, net	31	94	151
INCOME BEFORE PROVISION FOR INCOME TAXES	11,227	10,159	7,825
Provision for income taxes	1,244	2,118	1,335
NET INCOME	$ 9,983	$ 8,041	$ 6,490
Net income per share
Basic (in dollars per share)	$ 1.87	$ 1.50	$ 1.17
Diluted (in dollars per share)	$ 1.86	$ 1.49	$ 1.17
Shares used in per-share calculation
Basic (in shares)	5,329	5,370	5,529
Diluted (in shares)	5,380	5,404	5,563
Cash dividends declared per common share (in dollars per share)	$ 0.62	$ 0.28	$ 0.12