Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Apr. 30, 2012	Apr. 30, 2011	Apr. 30, 2012	Apr. 30, 2011
Net revenue:
Product	$ 598	$ 602	$ 1,239	$ 1,248
Service and other	1,347	1,246	2,319	2,010
Total net revenue	1,945	1,848	3,558	3,258
Cost of revenue:
Cost of product revenue	32	32	116	110
Cost of service and other revenue	166	132	456	384
Amortization of acquired technology	4	4	12	13
Selling and marketing	365	351	945	901
Research and development	167	164	502	478
General and administrative	102	93	289	271
Amortization of other acquired intangible assets	2	11	33	33
Total costs and expenses	838	787	2,353	2,190
Operating income	1,107	1,061	1,205	1,068
Interest expense	(12)	(15)	(43)	(45)
Interest and other income, net	9	6	23	20
Income before income taxes	1,104	1,052	1,185	1,043
Income tax provision	370	364	397	352
Net income	$ 734	$ 688	$ 788	$ 691
Basic net income per share	$ 2.49	$ 2.27	$ 2.65	$ 2.23
Shares used in basic per share calculations	295	303	297	309
Diluted net income per share	$ 2.42	$ 2.20	$ 2.58	$ 2.16
Shares used in diluted per share calculations	303	313	306	319
Dividends declared per common share	$ 0.15	$ 0	$ 0.45	$ 0