OTHER COMPREHENSIVE INCOME ITEMS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Accumulated other comprehensive income
Balance at the beginning of the period	$ (4,571.5)
Current period	1,878.5	(893.8)	(298.4)
Balance at the end of the period	(2,693.1)	(4,571.5)
Retirement Benefits Adjustment
Accumulated other comprehensive income
Balance at the beginning of the period	(4,759.0)	(4,135.0)	(3,797.0)
Current period	1,950.0	(624.0)	(338.0)
Balance at the end of the period	(2,809.0)	(4,759.0)	(4,135.0)
Cumulative Translation Adjustment
Accumulated other comprehensive income
Balance at the beginning of the period	184.0	454.0	436.0
Current period	(71.0)	(270.0)	18.0
Balance at the end of the period	113.0	184.0	454.0
Unrealized Gain (Loss) on Derivatives
Accumulated other comprehensive income
Balance at the beginning of the period	(14.0)	(9.0)	(30.0)
Current period	11.0	(5.0)	21.0
Balance at the end of the period	(3.0)	(14.0)	(9.0)
Unrealized Gain (Loss) on Investments
Accumulated other comprehensive income
Balance at the beginning of the period	17.0	12.0	11.0
Current period	(11.0)	5.0	1.0
Balance at the end of the period	$ 6.0	$ 17.0	$ 12.0