DERIVATIVE INSTRUMENTS (Details 3) (USD $) In Millions, unless otherwise specified	Apr. 30, 2013	Oct. 31, 2012	Apr. 30, 2012
Fair Value of Derivative Instruments
Total derivative assets	$ 619	$ 637	$ 534
Total derivative liabilities	156	149	137
Designated as Hedging Instruments | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	530	546	452
Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	57	70	45
Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	525	536	445
Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	8	12	3
Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	5	10	7
Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	49	58	42
Not Designated as Hedging Instruments | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	89	91	82
Not Designated as Hedging Instruments | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	99	79	92
Not Designated as Hedging Instruments | Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	64	73	73
Not Designated as Hedging Instruments | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	58	60	50
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets	25	17	7
Not Designated as Hedging Instruments | Foreign Exchange Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	36	18	41
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Other Assets
Fair Value of Derivative Instruments
Total derivative assets		1	2
Not Designated as Hedging Instruments | Cross-Currency Interest Rate Contracts | Accounts Payable and Accrued Expenses
Fair Value of Derivative Instruments
Total derivative liabilities	$ 5	$ 1	$ 1