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

9 Months Ended

Apr. 30, 2018

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, 2018		April 30, 2017		April 30, 2018		April 30, 2017
Numerator:
Net income	$	1,200	$	964	$	1,162	$	947
Denominator:
Shares used in basic per share amounts:
Weighted average common shares outstanding	257		256		256		257
Shares used in diluted per share amounts:
Weighted average common shares outstanding	257		256		256		257
Dilutive common equivalent shares from stock options
and restricted stock awards	5		4		4		4
Dilutive weighted average common shares outstanding	262		260		260		261
Basic and diluted net income per share:
Basic net income per share	$	4.68	$	3.76	$	4.54	$	3.68
Diluted net income per share	$	4.59	$	3.70	$	4.47	$	3.63
Shares excluded from diluted net income per share:
Weighted average stock options and restricted stock units that have been excluded from dilutive common equivalent shares outstanding due to their anti-dilutive effect	—		3		2		4