Condensed Consolidating Guarantor and Non-Guarantor Financial Information - Guarantor and Non-Guarantor Parenthetical (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Defined benefit plan, tax	$ (2)	$ (233)	$ 14
Parent Company [Member]
Defined benefit plan, tax	(2)	(233)	14
Guarantor Subsidiaries [Member]
Defined benefit plan, tax	0	(207)	0
Non-Guarantor Subsidiaries [Member]
Defined benefit plan, tax	(2)	(26)	14
Consolidation, Eliminations [Member]
Defined benefit plan, tax	$ 2	$ 233	$ (14)