OTHER COMPREHENSIVE INCOME ITEMS (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Cumulative Translation Adjustment, Before Tax
Unrealized gain (loss) on translation adjustment, before tax	$ (427)
Reclassification of loss to Other operating expense, before tax	9
Net unrealized gain (loss) on translation adjustment, before tax	(418)	(74)	(272)
Unrealized Gain (Loss) on Derivatives, Before Tax
Unrealized hedging gain (loss), before tax	(14)	43	(61)
Net unrealized gain (loss) on derivatives, before tax	5	16	(7)
Unrealized Gain (Loss) on Investments, Before Tax
Unrealized holding gain (loss), before tax	10	(17)	7
Net unrealized gain (loss) on investments, before tax	10	(17)	7
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	(1,078)	3,086	(961)
Total other comprehensive income (loss), before tax	(1,481)	3,011	(1,233)
Cumulative Translation Adjustment, Tax (Expense) Credit
Unrealized gain (loss) on translation adjustment, tax (expense) credit	2
Net unrealized gain (loss) on translation adjustment, tax (expense) credit	2	3	2
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Unrealized hedging gain (loss), tax (expense) credit	5	(14)	21
Net unrealized gain (loss) on derivatives, tax (expense) credit	(2)	(5)	2
Unrealized Gain (Loss) on Investments, Tax (Expense) Credit
Unrealized holding gain (loss), tax (expense) credit	(3)	6	(2)
Net unrealized gain (loss) on investments, tax (expense) credit	(3)	6	(2)
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	394	(1,136)	337
Total other comprehensive income (loss), tax (expense) credit	391	(1,132)	339
Cumulative Translation Adjustment, After Tax
Unrealized gain (loss) on translation adjustment, after tax	(425)
Reclassification of loss to Other operating expense, after tax	9
Net unrealized gain (loss) on translation adjustment, after tax	(415.5)	(70.9)	(270.0)
Unrealized Gain (Loss) on Derivatives, After Tax
Unrealized hedging gain (loss), after tax	(9)	29	(40)
Net unrealized gain (loss) on derivatives, after tax	2.8	10.7	(5.1)
Unrealized Gain (Loss) on Investments, After Tax
Unrealized holding gain (loss), after tax	7	(11)	5
Net unrealized gain (loss) on investments, after tax	6.9	(11.3)	4.9
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	(684.4)	1,950.0	(623.6)
Other Comprehensive Income (Loss), Net of Income Taxes	(1,090.2)	1,878.5	(893.8)
Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interests
Comprehensive income (loss) attributable to noncontrolling interests	1.3	0.4	6.6
Net income (loss) attributable to noncontrolling interests	1.6	0.3	6.9
Cumulative translation adjustments attributable to noncontrolling interests	(0.3)	0.1	(0.3)
Pensions
Retirement Benefits Adjustment, Before Tax
Net actuarial gain (loss) and prior service credit (cost), before tax	(940)	1,507	(1,004)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, before tax	177	265	202
Prior service (credit) cost, before tax	25	12	47
Settlements/curtailments, before tax	9	2	10
Net unrealized gain (loss) on retirement benefits adjustments, before tax	(729)	1,786	(745)
Retirement Benefits Adjustment, Tax (Expense) Credit
Net actuarial gain (loss) and prior service credit (cost), tax (expense) credit	343	(552)	359
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, tax (expense) credit	(64)	(101)	(73)
Prior service (credit) cost, tax (expense) credit	(9)	(6)	(17)
Settlements/curtailments, tax (expense) credit	(3)		(2)
Retirement Benefits Adjustment, After Tax
Net actuarial gain (loss) and prior service credit (cost), after tax	(597)	955	(645)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, after tax	113	164	129
Prior service (credit) cost, after tax	16	6	30
Settlements/curtailments, after tax	6	2	8
Health Care and Life Insurance
Retirement Benefits Adjustment, Before Tax
Net actuarial gain (loss) and prior service credit (cost), before tax	(378)	1,167	(337)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, before tax	33	141	136
Prior service (credit) cost, before tax	(3)	(8)	(15)
Settlements/curtailments, before tax	(1)
Net unrealized gain (loss) on retirement benefits adjustments, before tax	(349)	1,300	(216)
Retirement Benefits Adjustment, Tax (Expense) Credit
Net actuarial gain (loss) and prior service credit (cost), tax (expense) credit	138	(426)	118
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, tax (expense) credit	(12)	(54)	(54)
Prior service (credit) cost, tax (expense) credit	1	3	6
Retirement Benefits Adjustment, After Tax
Net actuarial gain (loss) and prior service credit (cost), after tax	(240)	741	(219)
Reclassification Through Amortization of Actuarial (Gain) Loss and Prior Service (Credit) Cost to Net Income
Actuarial (gain) loss, after tax	21	87	82
Prior service (credit) cost, after tax	(2)	(5)	(9)
Settlements/curtailments, after tax	(1)
Interest Rate Contracts | Interest Expense
Unrealized Gain (Loss) on Derivatives, Before Tax
Reclassification of realized (gain) loss, before tax	13	22	16
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Reclassification of realized (gain) loss, tax (expense) credit	(5)	(8)	(6)
Unrealized Gain (Loss) on Derivatives, After Tax
Reclassification of realized (gain) loss, after tax	8	14	10
Foreign Exchange Contracts | Other Operating Expenses
Unrealized Gain (Loss) on Derivatives, Before Tax
Reclassification of realized (gain) loss, before tax	6	(49)	38
Unrealized Gain (Loss) on Derivatives, Tax (Expense) Credit
Reclassification of realized (gain) loss, tax (expense) credit	(2)	17	(13)
Unrealized Gain (Loss) on Derivatives, After Tax
Reclassification of realized (gain) loss, after tax	$ 4	$ (32)	$ 25