Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2015	Jan. 31, 2014
Net revenue:
Product	$ 198	$ 287	$ 431	$ 516
Service and other	610	495	1,049	888
Total net revenue	808	782	1,480	1,404
Cost of revenue:
Cost of product revenue	44	45	78	74
Cost of service and other revenue	153	125	284	233
Amortization of acquired technology	9	6	19	12
Selling and marketing	376	352	657	610
Research and development	200	186	400	362
General and administrative	118	109	242	227
Amortization of other acquired intangible assets	6	5	12	9
Total costs and expenses	906	828	1,692	1,527
Operating loss from continuing operations	(98)	(46)	(212)	(123)
Interest expense	(7)	(8)	(14)	(16)
Interest and other income, net	2	0	2	5
Loss before income taxes	(103)	(54)	(224)	(134)
Income tax benefit	(37)	(17)	(74)	(40)
Net loss from continuing operations	(66)	(37)	(150)	(94)
Net income from discontinued operations	0	0	0	46
Net loss	$ (66)	$ (37)	$ (150)	$ (48)
Basic net loss per share from continuing operations (in dollars per share)	$ (0.23)	$ (0.13)	$ (0.53)	$ (0.33)
Basic net income per share from discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.16
Basic net loss per share (in dollars per share)	$ (0.23)	$ (0.13)	$ (0.53)	$ (0.17)
Shares used in basic per share calculations (in shares)	285	284	285	286
Diluted net loss per share from continuing operations (in dollars per share)	$ (0.23)	$ (0.13)	$ (0.53)	$ (0.33)
Diluted net income per share from discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.00	$ 0.16
Diluted net loss per share (in dollars per share)	$ (0.23)	$ (0.13)	$ (0.53)	$ (0.17)
Shares used in diluted per share calculations (in shares)	285	284	285	286
Cash dividends declared per common share (in dollars per share)	$ 0.25	$ 0.19	$ 0.50	$ 0.38