ASSETS AND LIABILITIES MEASURED AT FAIR VALUE (Details) (USD $) In Millions	Jul. 31, 2011		Oct. 31, 2010		Jul. 31, 2010
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 459
Derivative assets	406		520		545
Derivative liabilities	108		109		179
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	270		63		69
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	238		36		42
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	31		28		25
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	79		63		60
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	79	[1]	72	[1]	76	[1]
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		2
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	388		493		533
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	12		38		51
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	17		24		8
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	86		23		32
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	1		3		4
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	10		48		96
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Fair Value
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	459		228		232
Total assets	865		748		777
Total liabilities	$ 108		$ 109		$ 179

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