DERIVATIVE INSTRUMENTS (Details 3) (Not Designated as Hedging Instruments, USD $) In Millions, unless otherwise specified	Jan. 31, 2014	Oct. 31, 2013	Jan. 31, 2013
Interest Rate Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 5,636	$ 5,627	$ 4,624
Foreign Exchange Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	4,274	3,800	4,698
Cross-Currency Interest Rate Contracts
Derivatives Not Designated as Hedging Instruments
Notional amounts	86	85	82
Interest Rate Caps Purchased
Derivatives Not Designated as Hedging Instruments
Notional amounts	1,458	1,641	1,263
Interest Rate Caps Sold
Derivatives Not Designated as Hedging Instruments
Notional amounts	$ 1,458	$ 1,641	$ 1,263