Financial Instruments and Commodity Contracts (Income Statement Location) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	$ (11)	$ 10	$ 4
Interest Rate Swap [Member] | Interest Expense [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	0	0	(5)
Interest Rate Cap Purchased [Member] | Interest Expense [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	0	0	(3)
Interest Rate Cap Sold [Member] | Interest Expense [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	0	0	3
Cross Currency Interest Rate Contract [Member] | Interest Expense [Domain]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	1	(8)	0
Foreign Currency Contract [Member] | Other Income, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	(4)	4	8
Forward Contracts [Member] | Commodity Contract [Member] | Cost of Products Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain (loss) recognized	$ (8)	$ 14	$ 1