Financial Instruments and Commodity Contracts - Derivative Financial Instruments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	$ (4)	$ 2	$ 9	$ 2
Interest Rate Cap [Member] | Interest Expense [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	0	(2)	0	(1)
Cross currency swaps | Other Income Expense Net [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	1	(1)	3	1
Foreign Exchange Contract [Member] | Other Income Expense Net [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	0	1	1	0
Commodity Contract [Member] | Cost of Sales [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	$ 5	$ 0	$ (5)	$ 0