Description of Business and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Apr. 30, 2011

Description of Business and Summary of Significant Accounting Policies [Abstract]

Composition of shares used in the computation of basic and diluted net income per share

	Three Months Ended				Nine Months Ended
	April 30,		April 30,		April 30,		April 30,
(In millions, except per share amounts)	2011		2010		2011		2010
Numerator:
Net income from continuing operations	$	688	$	576	$	691	$	587
Net income from discontinued operations		—		—		—		35
Net income	$	688	$	576	$	691	$	622
Denominator:
Shares used in basic per share amounts:
Weighted average common shares outstanding		303		314		309		316
Shares used in diluted per share amounts:
Weighted average common shares outstanding		303		314		309		316
Dilutive common equivalent shares from stock options and restricted stock awards		10		9		10		9
Dilutive weighted average common shares outstanding		313		323		319		325
Basic and diluted net income per share:
Basic net income per share from continuing operations	$	2.27	$	1.83	$	2.23	$	1.86
Basic net income per share from discontinued operations		—		—		—		0.11
Basic net income per share	$	2.27	$	1.83	$	2.23	$	1.97
Diluted net income per share from continuing operations	$	2.20	$	1.78	$	2.16	$	1.80
Diluted net income per share from discontinued operations		—		—		—		0.11
Diluted net income per share	$	2.20	$	1.78	$	2.16	$	1.91
Weighted average stock options and restricted stock units excluded from calculation due to anti-dilutive effect		1		7		—		13