Selected Quarterly Financial Data (Tables)

12 Months Ended

Jul. 31, 2011

Jul. 31, 2010

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

	Fiscal 2011 Quarter Ended
(In millions, except per share amounts)	October 31			January 31		April 30		July 31
Total net revenue	$	532		$	878	$	1,848	$	593
Cost of revenue	159			180		168		164
All other costs and expenses	477			587		619		490
Operating income (loss) from continuing operations	(104		)	111		1,061		(61		)
Net income (loss) from continuing operations	(70		)	73		688		(57		)
Net income from discontinued operations	—			—		—		—
Net income (loss)	(70		)	73		688		(57		)
Basic net income (loss) per share from continuing operations	$	(0.22	)	$	0.24	$	2.27	$	(0.19	)
Basic net income per share from discontinued operations	—			—		—		—
Basic net income (loss) per share	$	(0.22	)	$	0.24	$	2.27	$	(0.19	)
Diluted net income (loss) per share from continuing operations	$	(0.22	)	$	0.23	$	2.20	$	(0.19	)
Diluted net income per share from discontinued operations	—			—		—		—
Diluted net income (loss) per share	$	(0.22	)	$	0.23	$	2.20	$	(0.19	)

	Fiscal 2010 Quarter Ended
(In millions, except per share amounts)	October 31			January 31		April 30		July 31
Total net revenue	$	474		$	837	$	1,607	$	537
Cost of revenue	166			178		157		152
All other costs and expenses	408			520		562		449
Operating income (loss) from continuing operations	(100		)	139		888		(64		)
Net income (loss) from continuing operations	(69		)	80		576		(48		)
Net income from discontinued operations	1			34		—		—
Net income (loss)	(68		)	114		576		(48		)
Basic net income (loss) per share from continuing operations	$	(0.21	)	$	0.25	$	1.83	$	(0.15	)
Basic net income per share from discontinued operations	—			0.11		—		—
Basic net income (loss) per share	$	(0.21	)	$	0.36	$	1.83	$	(0.15	)
Diluted net income (loss) per share from continuing operations	$	(0.21	)	$	0.25	$	1.78	$	(0.15	)
Diluted net income per share from discontinued operations	—			0.10		—		—
Diluted net income (loss) per share	$	(0.21	)	$	0.35	$	1.78	$	(0.15	)