Financial Instruments and Commodity Contracts - Derivative Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015	Oct. 31, 2015
Derivative [Line Items]
Exposure to Credit Risk	$ 2		$ 1
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	(4)	$ (13)
Cross currency swaps | Other Income Expense Net [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	0	(2)
Foreign Exchange Contract [Member] | Other Income Expense Net [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	1	(1)
Commodity Contract [Member] | Cost of Sales [Member]
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	$ (5)	$ (10)