OTHER COMPREHENSIVE INCOME ITEMS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Other Comprehensive Income (Loss), Before Tax
Cumulative translation adjustment, before tax	$ (67)	$ 107	$ (575)	$ (63)
Unrealized Gain (Loss) on Derivatives, Before Tax
Unrealized hedging gain (loss), before tax		(5)	(4)	(10)
Net unrealized gain (loss) on derivatives, before tax	2	(1)		4
Unrealized Gain (Loss) on Investments, Before Tax
Unrealized holding gain (loss), before tax	(5)	4	8	1
Reclassification of realized (gain) loss - Other income, before tax	(2)		(4)
Net unrealized gain (loss) on investments, before tax	(7)	4	4	1
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Net unrealized gain (loss) on retirement benefits adjustments, before tax	36	60	102	138
Total other comprehensive income (loss), before tax	(36)	170	(469)	80
Other Comprehensive Income (Loss), Tax (Expense) Credit
Cumulative translation adjustment, tax (expense) credit			(2)	1
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Unrealized hedging gain (loss), tax (expense) credit		1	2	3
Net unrealized gain (loss) on derivatives, tax (expense) credit	(1)			(2)
Unrealized Gain (Loss) on Investments, Tax (Expense) Credit
Unrealized holding gain (loss), tax (expense) credit	2	(2)	(3)
Reclassification of realized (gain) loss - Other income, tax (expense) credit	1		2
Net unrealized gain (loss) on investments, tax (expense) credit	3	(2)	(1)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Net unrealized gain (loss) on retirement benefits adjustments, tax (expense) credit	(15)	(22)	(39)	(50)
Total other comprehensive income (loss), tax (expense) credit	(13)	(24)	(42)	(51)
Other Comprehensive Income (Loss), After Tax
Cumulative translation adjustment, after tax	(66.6)	106.5	(577.0)	(61.5)
Unrealized Gain (Loss) on Derivatives, After Tax
Unrealized hedging gain (loss), after tax		(4)	(2)	(7)
Net unrealized gain (loss) on derivatives, after tax	1.3	(0.6)	(0.2)	2.3
Unrealized Gain (Loss) on Investments, After Tax
Unrealized holding gain (loss), after tax	(3)	2	5	1
Reclassification of realized (gain) loss - Other income, after tax	(1)		(2)
Net unrealized gain (loss) on investments, after tax	(4.2)	2.4	3.1	1.1
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Net unrealized gain (loss) on retirement benefits adjustments, after tax	20.9	37.6	63.2	87.7
Other Comprehensive Income (Loss), Net of Income Taxes	(48.6)	145.9	(510.9)	29.6
Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interests
Comprehensive income (loss) attributable to noncontrolling interests	0.3	0.5	0.2	0.7
Net income (loss) attributable to noncontrolling interests	0.3	0.5	0.5	0.7
Cumulative translation adjustments attributable to noncontrolling interests			(0.3)
Pensions
Retirement Benefits Adjustment, Before Tax
Net actuarial gain (loss), before tax	(17)	(39)	(17)	(20)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, before tax	55	43	110	86
Prior service (credit) cost, before tax	6	6	12	12
Settlements/curtailments, before tax		4	1	6
Retirement Benefits Adjustment, Tax (Expense) Credit
Net actuarial gain (loss), tax (expense) credit	6	15	6	8
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, tax (expense) credit	(20)	(16)	(40)	(31)
Prior service (credit) cost, tax (expense) credit	(3)	(3)	(5)	(5)
Settlements/curtailments, tax (expense) credit		(1)		(2)
Retirement Benefits Adjustment, After Tax
Net actuarial gain (loss), after tax	(11)	(24)	(11)	(12)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, after tax	35	27	70	55
Prior service (credit) cost, after tax	3	3	7	7
Settlements/curtailments, after tax		3	1	4
Health Care and Life Insurance
Retirement Benefits Adjustment, Before Tax
Net actuarial gain (loss), before tax	(12)	39	(12)	39
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, before tax	23	8	46	17
Prior service (credit) cost, before tax	(19)	(1)	(38)	(2)
Retirement Benefits Adjustment, Tax (Expense) Credit
Net actuarial gain (loss), tax (expense) credit	3	(15)	3	(15)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, tax (expense) credit	(8)	(3)	(17)	(6)
Prior service (credit) cost, tax (expense) credit	7	1	14	1
Retirement Benefits Adjustment, After Tax
Net actuarial gain (loss), after tax	(9)	24	(9)	24
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, after tax	15	5	29	11
Prior service (credit) cost, after tax	(12)		(24)	(1)
Interest Rate Contracts | Interest Expense
Unrealized Gain (Loss) on Derivatives, Before Tax
Reclassification of realized (gain) loss, before tax	3	3	6	8
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Reclassification of realized (gain) loss, tax (expense) credit	(2)	(1)	(2)	(3)
Unrealized Gain (Loss) on Derivatives, After Tax
Reclassification of realized (gain) loss, after tax	1	2	4	5
Foreign Exchange Contracts | Other Operating Expense
Unrealized Gain (Loss) on Derivatives, Before Tax
Reclassification of realized (gain) loss, before tax	(1)	1	(2)	6
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Reclassification of realized (gain) loss, tax (expense) credit	1			(2)
Unrealized Gain (Loss) on Derivatives, After Tax
Reclassification of realized (gain) loss, after tax		$ 1	$ (2)	$ 4