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

9 Months Ended

Apr. 30, 2012

Accounting Policies [Abstract]

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

The following table presents the composition of shares used in the computation of basic and diluted net income per share for the periods indicated.

	Three Months Ended				Nine Months Ended
(In millions, except per share amounts)	April 30, 2012		April 30, 2011		April 30, 2012		April 30, 2011
Numerator:
Net income	$	734	$	688	$	788	$	691
Denominator:
Shares used in basic per share amounts:
Weighted average common shares outstanding	295		303		297		309
Shares used in diluted per share amounts:
Weighted average common shares outstanding	295		303		297		309
Dilutive common equivalent shares from stock options
and restricted stock awards	8		10		9		10
Dilutive weighted average common shares outstanding	303		313		306		319
Basic and diluted net income per share:
Basic net income per share	$	2.49	$	2.27	$	2.65	$	2.23
Diluted net income per share	$	2.42	$	2.20	$	2.58	$	2.16
Weighted average stock options and restricted stock units excluded from calculation due to anti-dilutive effect	—		1		3		—