OTHER COMPREHENSIVE INCOME ITEMS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	$ (2,693.1)	$ (4,572.0)	$ (3,678.0)
Period Change	(1,090.2)	1,878.5	(893.8)
Balance at the end of the period	(3,783.0)	(2,693.1)	(4,572.0)
Retirement Benefits Adjustment
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	(2,809.0)	(4,759.0)	(4,135.0)
Period Change	(684.0)	1,950.0	(624.0)
Balance at the end of the period	(3,493.0)	(2,809.0)	(4,759.0)
Cumulative Translation Adjustment
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	113.0	184.0	454.0
Period Change	(416.0)	(71.0)	(270.0)
Balance at the end of the period	(303.0)	113.0	184.0
Unrealized Gain (Loss) on Derivatives
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	(3.0)	(14.0)	(9.0)
Period Change	3.0	11.0	(5.0)
Balance at the end of the period		(3.0)	(14.0)
Unrealized Gain (Loss) on Investments
Accumulated other comprehensive income (loss)
Balance at the beginning of the period	6.0	17.0	12.0
Period Change	7.0	(11.0)	5.0
Balance at the end of the period	$ 13.0	$ 6.0	$ 17.0