DERIVATIVE INSTRUMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Interest Rate Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 4,400	$ 3,216
Foreign Exchange Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	3,999	3,058
Cross-Currency Interest Rate Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	78	52
Interest Rate Caps- Purchased
Derivatives Not Designated as Hedging Instruments
Notional amounts	1,445	1,402
Interest Rate Caps- Sold
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 1,445	$ 1,402