OTHER COMPREHENSIVE INCOME ITEMS (Details 2) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2016	Apr. 30, 2015	Apr. 30, 2016	Apr. 30, 2015
Other Comprehensive Income (Loss), Before Tax
Interest expense	$ (191.0)	$ (165.5)	$ (364.3)	$ (345.6)
Other operating expense	(360.3)	(212.9)	(608.0)	(435.5)
Other income	157.4	195.9	313.6	380.3
Total other comprehensive income (loss), before tax	353.0	(36.0)	244.0	(469.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Total other comprehensive income (loss), tax (expense) credit	(12.0)	(13.0)	(34.0)	(42.0)
Other Comprehensive Income (Loss), After Tax
Other Comprehensive Income (Loss), Net of Income Taxes	341.4	(48.6)	210.7	(510.9)
Cumulative Translation Adjustment
Other Comprehensive Income (Loss), Before Tax
Total other comprehensive income (loss), before tax	312.0	(67.0)	154.0	(575.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Total other comprehensive income (loss), tax (expense) credit				(2.0)
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax			154.0	(577.0)
Other Comprehensive Income (Loss), Net of Income Taxes	312.0	(67.0)	154.0	(577.0)
Unrealized Gain (Loss) on Derivatives
Other Comprehensive Income (Loss), Before Tax
Other comprehensive income (loss) before reclassification, before tax	(1.0)		(2.0)	(4.0)
Total other comprehensive income (loss), before tax	2.0	2.0	2.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Other comprehensive income (loss) before reclassification, tax (expense) credit	1.0		1.0	2.0
Total other comprehensive income (loss), tax (expense) credit	(1.0)	(1.0)	(1.0)
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax			(1.0)	(2.0)
Reclassification from accumulated other comprehensive income, after tax			2.0	2.0
Other Comprehensive Income (Loss), Net of Income Taxes	1.0	1.0	1.0
Unrealized Gain (Loss) on Derivatives | Interest Rate Contracts | Reclassification out of Accumulated Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Before Tax
Interest expense	2.0	3.0	5.0	6.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(1.0)	(2.0)	(2.0)	(2.0)
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	1.0	1.0	3.0	4.0
Unrealized Gain (Loss) on Derivatives | Foreign Exchange Contracts | Reclassification out of Accumulated Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Before Tax
Other operating expense	1.0	(1.0)	(1.0)	(2.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(1.0)	1.0
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax			(1.0)	(2.0)
Unrealized Gain (Loss) on Investments
Other Comprehensive Income (Loss), Before Tax
Other comprehensive income (loss) before reclassification, before tax	9.0	(5.0)	(1.0)	8.0
Total other comprehensive income (loss), before tax	8.0	(7.0)	(3.0)	4.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Other comprehensive income (loss) before reclassification, tax (expense) credit		2.0		(3.0)
Total other comprehensive income (loss), tax (expense) credit	1.0	3.0	1.0	(1.0)
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax	9.0	(3.0)	(1.0)	5.0
Reclassification from accumulated other comprehensive income, after tax			(1.0)	(2.0)
Other Comprehensive Income (Loss), Net of Income Taxes	9.0	(4.0)	(2.0)	3.0
Unrealized Gain (Loss) on Investments | Reclassification out of Accumulated Other Comprehensive Income (Loss)
Other Comprehensive Income (Loss), Before Tax
Other income	(1.0)	(2.0)	(2.0)	(4.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	1.0	1.0	1.0	2.0
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax		(1.0)	(1.0)	(2.0)
Retirement Benefits Adjustment
Other Comprehensive Income (Loss), Before Tax
Total other comprehensive income (loss), before tax	31.0	36.0	91.0	102.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Total other comprehensive income (loss), tax (expense) credit	(12.0)	(15.0)	(34.0)	(39.0)
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax			(18.0)	(20.0)
Reclassification from accumulated other comprehensive income, after tax			75.0	83.0
Other Comprehensive Income (Loss), Net of Income Taxes	19.0	21.0	57.0	63.0
Retirement Benefits Adjustment | Pensions
Other Comprehensive Income (Loss), Before Tax
Other comprehensive income (loss) before reclassification, before tax	(14.0)	(17.0)	(17.0)	(17.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Other comprehensive income (loss) before reclassification, tax (expense) credit	5.0	6.0	6.0	6.0
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax	(9.0)	(11.0)	(11.0)	(11.0)
Retirement Benefits Adjustment | Health Care and Life Insurance
Other Comprehensive Income (Loss), Before Tax
Other comprehensive income (loss) before reclassification, before tax	(11.0)	(12.0)	(11.0)	(12.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Other comprehensive income (loss) before reclassification, tax (expense) credit	4.0	3.0	4.0	3.0
Other Comprehensive Income (Loss), After Tax
Other comprehensive income (loss) before reclassification, after tax	(7.0)	(9.0)	(7.0)	(9.0)
Actuarial (Gain) Loss | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions
Other Comprehensive Income (Loss), Before Tax
Reclassification from accumulated other comprehensive income, before tax	52.0	55.0	104.0	110.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(19.0)	(20.0)	(38.0)	(40.0)
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	33.0	35.0	66.0	70.0
Actuarial (Gain) Loss | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Health Care and Life Insurance
Other Comprehensive Income (Loss), Before Tax
Reclassification from accumulated other comprehensive income, before tax	18.0	23.0	37.0	46.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(7.0)	(8.0)	(14.0)	(17.0)
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	11.0	15.0	23.0	29.0
Prior Service (Credit) Cost | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions
Other Comprehensive Income (Loss), Before Tax
Reclassification from accumulated other comprehensive income, before tax	4.0	6.0	8.0	12.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(1.0)	(3.0)	(3.0)	(5.0)
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	3.0	3.0	5.0	7.0
Prior Service (Credit) Cost | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Health Care and Life Insurance
Other Comprehensive Income (Loss), Before Tax
Reclassification from accumulated other comprehensive income, before tax	(20.0)	(19.0)	(39.0)	(38.0)
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	7.0	7.0	14.0	14.0
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	(13.0)	$ (12.0)	(25.0)	(24.0)
Settlements/Curtailments | Reclassification out of Accumulated Other Comprehensive Income (Loss) | Pensions
Other Comprehensive Income (Loss), Before Tax
Reclassification from accumulated other comprehensive income, before tax	2.0		9.0	1.0
Other Comprehensive Income (Loss), Tax (Expense) Credit
Reclassification from accumulated other comprehensive income, tax (expense) credit	(1.0)		(3.0)
Other Comprehensive Income (Loss), After Tax
Reclassification from accumulated other comprehensive income, after tax	$ 1.0		$ 6.0	$ 1.0