Restructuring Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jul. 31, 2013	Jul. 31, 2014 Cost of Sales [Member]	Jul. 31, 2014 Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Additional reserves and expenses		$ 3	$ 2
Severance charges	$ 3