DERIVATIVE INSTRUMENTS (Details 3) (USD $) In Millions, unless otherwise specified	Oct. 31, 2011	Oct. 31, 2010
Fair Value of Derivative Instruments
Total derivative assets	$ 485	$ 520
Total derivative liabilities	168	109
Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	20	65
Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	404	457
Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	13	18
Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	7	47
Not Designated as Hedging Instruments | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	81	63
Not Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	148	44
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	67	36
Not Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	48	20
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	12	24
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	100	23
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	2	3
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities		$ 1