Net Income Per Share (Tables)

6 Months Ended

Apr. 30, 2011

Net Income Per Share - (Tables) [Abstract]

Reconciliation of the numerators and denominators of the basic and diluted net income per share

The following is a reconciliation of the numerators and denominators of the basic and diluted net income per share computations for the periods presented below:

	Three Months Ended				Six Months Ended
	April 30,				April 30,
	2011		2010		2011		2010
	(in millions)
Numerator:
Net income	$	200	$	108	$	393	$	187
Denominators:
Basic weighted-average shares		347		348		347		348
Potentially dilutive common stock equivalents - stock options and other employee stock plans		8		6		8		6
Diluted weighted-average shares		355		354		355		354