FAIR VALUE MEASUREMENTS - Assets and Liaibilities - Recurring (Details) - USD ($) $ in Millions	Jul. 31, 2016	Oct. 31, 2015	Jul. 31, 2015
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 468.9	$ 437.4	$ 421.1
Derivative assets	559.0	428.0	425.0
Derivative liabilities	95.0	78.0	109.0
Transfer from Level 1 to Level 2, assets	0.0		0.0
Transfer from Level 2 to Level 1, assets	0.0		0.0
Transfer from Level 1 to Level 2, liabilities	0.0		0.0
Transfer from Level 2 to Level 1, liabilities	0.0		0.0
Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	559.0	428.0	425.0
Accounts Payable and Accrued Expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	95.0	78.0	109.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Total Estimated Fair Value
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	469.0	437.0	421.0
Total assets	1,028.0	865.0	846.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 and Level 2 | U.S. Government Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	86.0	82.0	82.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 1 | International Equity Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities			8.0
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	48.0	43.0	35.0
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	9.0
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	47.0	37.0	37.0
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	95.0	78.0	109.0
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	488.0	353.0	341.0
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	47.0	60.0	83.0
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	47.0	50.0	57.0
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	48.0	18.0	26.0
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	24.0	25.0	27.0
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	40.0	31.0	30.0
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	118.0	124.0	104.0
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	128.0	110.0	115.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 and Level 3 | International Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	40.0	47.0	47.0
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 3 | International Debt Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 34.0	$ 29.0	$ 31.0