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OTHER COMPREHENSIVE INCOME ITEMS (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2014	Apr. 30, 2013	Apr. 30, 2014	Apr. 30, 2013
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Interest expense	$ (165.8)	$ (191.0)	$ (337.5)	$ (371.1)
Other expense	(245.9)	(163.4)	(478.2)	(305.8)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) before taxes	1,463.8	1,743.8	2,428.7	2,689.9
Tax credit	(479.0)	(666.4)	(759.6)	(955.3)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) after taxes	981.2	1,084.3	1,662.5	1,734.0
Reclassification out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) after taxes	(41.0)		(85.0)
Loss on derivatives \| Reclassification out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) before taxes	(4.0)		(14.0)
Tax credit	1.0		5.0
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) after taxes	(3.0)		(9.0)
Loss on derivatives \| Interest rate contracts \| Reclassification out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Interest expense	(3.0)		(8.0)
Loss on derivatives \| Foreign exchange contracts \| Reclassification out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Other expense	(1.0)		(6.0)
Amortization of retirement benefit adjustments \| Reclassification out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) before taxes	(60.0)		(119.0)
Tax credit	22.0		43.0
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss) after taxes	(38.0)		(76.0)
Amortization of retirement benefit adjustments \| Reclassification out of accumulated other comprehensive income (loss) \| Pensions
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Actuarial losses	(43)		(86)
Prior service (costs) credit	(6)		(12)
Settlements/curtailments	(4)		(6)
Amortization of retirement benefit adjustments \| Reclassification out of accumulated other comprehensive income (loss) \| Health care and life insurance
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Actuarial losses	(8)		(17)
Prior service (costs) credit	$ 1		$ 2