FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Oct. 31, 2011		Oct. 31, 2010
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	$ 485		$ 520
Derivative liabilities	168		109
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 and 2
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	787		228
Total assets	1,272	[1]	748	[1]
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 and 2 | U.S. Government Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	576		63
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 | U.S. Government Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	540		36
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Total liabilities	168		109
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest Rate Contracts | Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	471		493
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Interest Rate Contracts | Accounts Payable and Accrued Expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	61		38
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Foreign Exchange Contracts | Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	12		24
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Foreign Exchange Contracts | Accounts Payable and Accrued Expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	100		23
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-Currency Interest Rate Contracts | Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	2		3
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Cross-Currency Interest Rate Contracts | Accounts Payable and Accrued Expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	7		48
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Municipal Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	36		28
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Corporate Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	89		63
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Residential Mortgage-Backed Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	86	[2]	72	[2]
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Other Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities			$ 2

[1] Excluded from this table are the company's cash and cash equivalents, which are carried at cost that approximates fair value. The cash and cash equivalents consist primarily of money market funds.

[2] Primarily issued by U.S. government sponsored enterprises.