Financial Instruments and Commodity Contracts - Foreign Currency Contracts (Details) In Millions, unless otherwise specified	3 Months Ended											3 Months Ended
	Jan. 31, 2015 USD ($)	Jan. 31, 2014 USD ($)	Jan. 31, 2015 Foreign Exchange Contract [Member] USD ($)	Jan. 31, 2015 Foreign Exchange Contract [Member] EUR (€)	Oct. 31, 2014 Foreign Exchange Contract [Member] USD ($)	Oct. 31, 2014 Foreign Exchange Contract [Member] EUR (€)		Jan. 31, 2015 Foreign Exchange Contract [Member] Contract 1 [Member] USD ($)	Jan. 31, 2015 Foreign Exchange Contract [Member] Contract 1 [Member] CAD	Oct. 31, 2014 Foreign Exchange Contract [Member] Contract 1 [Member] USD ($)	Oct. 31, 2014 Foreign Exchange Contract [Member] Contract 1 [Member] CAD	Jan. 31, 2015 Interest Expense [Member] Interest Rate Cap [Member] USD ($)	Jan. 31, 2014 Interest Expense [Member] Interest Rate Cap [Member] USD ($)	Jan. 31, 2015 Other Income Expense Net [Member] Cross currency swaps USD ($)	Jan. 31, 2014 Other Income Expense Net [Member] Cross currency swaps USD ($)	Jan. 31, 2015 Other Income Expense Net [Member] Foreign Exchange Contract [Member] USD ($)	Jan. 31, 2014 Other Income Expense Net [Member] Foreign Exchange Contract [Member] USD ($)	Jan. 31, 2015 Cost of Sales [Member] Commodity Contract [Member] USD ($)	Jan. 31, 2014 Cost of Sales [Member] Commodity Contract [Member] USD ($)
Derivative [Line Items]
Derivative Instruments,Derivative, Gain (Loss) on Derivative, Net	$ 13	$ 0										$ 0	$ (1)	$ 2	$ 1	$ 1	$ 0	$ (10)	$ 0
Derivative, Notional Amount			$ 6	€ 12	$ 4	€ 9	[1]	$ 6	6	$ 4	5

[1] (A) Forward exchange contracts of €2 expire on the last day of each month from May 2015 through October 2015.(B)Forward exchange contracts of €1 expire on the last day of each month from February 2015 through October 2015.