XML 13 R54.htm IDEA: XBRL DOCUMENT v2.4.0.8
Restructuring Charges - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Restructuring and Related Activities [Abstract]    
Selling, general and administrative expense $ 2  
Severance charges   $ 3