Condensed Consolidating Guarantor and Non-Guarantor Guarantor and Non-Guarantor Parenthetical (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	$ 0	$ 12
Parent Company [Domain]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	0	12
Guarantor Subsidiaries [Domain]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	0	11
Non-Guarantor Subsidiaries [Domain]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	0	1
Consolidation, Eliminations [Domain]
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent	$ 0	$ (12)