Condensed Consolidated Statements of Operations (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 31, 2012	Oct. 31, 2011
Net revenue:
Product	$ 227	$ 222
Service and other	420	353
Total net revenue	647	575
Cost of revenue:
Cost of product revenue	32	32
Cost of service and other revenue	145	132
Amortization of acquired technology	5	3
Selling and marketing	251	216
Research and development	178	163
General and administrative	98	92
Amortization of other acquired intangible assets	7	21
Total costs and expenses	716	659
Operating loss from continuing operations	(69)	(84)
Interest expense	(8)	(15)
Interest and other income, net	2	11
Loss before income taxes	(75)	(88)
Income tax benefit	(24)	(30)
Net loss from continuing operations	(51)	(58)
Net income (loss) from discontinued operations	32	(6)
Net loss	$ (19)	$ (64)
Basic Net Loss Per Share
Basic net loss per share from continuing operations (dollars per share)	$ (0.17)	$ (0.19)
Basic net income (loss) per share from discontinued operations (dollars per share)	$ 0.11	$ (0.02)
Basic net loss per share (dollars per share)	$ (0.06)	$ (0.21)
Shares used in basic per share calculations (shares)	296	300
Diluted Net Loss Per Share
Diluted net loss per share from continuing operations (dollars per share)	$ (0.17)	$ (0.19)
Diluted net income (loss) per share from discontinued operations (dollars per share)	$ 0.11	$ (0.02)
Diluted net loss per share (dollars per share)	$ (0.06)	$ (0.21)
Shares used in diluted per share calculations (shares)	296	300
Dividends declared per common share (dollars per share)	$ 0.17	$ 0.15