Financial Instruments and Commodity Contracts (Income Statement Location) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	$ (1)	$ 4
Cross Currency Interest Rate Contract [Member] | Interest Expense [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	0	(1)
Foreign Currency Contract [Member] | Other Income, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	(1)	4
Forward Contracts [Member] | Commodity Contract [Member] | Cost of Products Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	$ 0	$ 1