FAIR VALUE MEASUREMENTS (Details 2) (USD $) In Millions, unless otherwise specified	Jul. 31, 2014	Oct. 31, 2013	Jul. 31, 2013
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 1,489.4	$ 1,624.8	$ 1,706.0
Derivative assets	348	394	413
Derivative liabilities	134	179	231
Transfer from Level 1 to Level 2, assets	0		0
Transfer from Level 2 to Level 1, assets	0		0
Transfer from Level 1 to Level 2, liabilities	0		0
Transfer from Level 2 to Level 1, liabilities	0		0
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	1,489.0	1,625.0	1,706.0
Total assets	1,837	2,019	2,119
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	1,108.0	1,312.0	1,408.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 | Equity Fund
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	32.0	20.0	13.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 | Fixed Income Fund
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	10.0
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	1,041.0	1,247.0	1,347.0
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	134	179	231
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	321	347	365
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	101	120	155
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	14	32	36
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	32	42	36
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	13	15	12
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	1	17	40
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	34.0	36.0	35.0
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	169.0	138.0	130.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Mortgage-Backed Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 136.0	$ 119.0	$ 120.0