Other Comprehensive Income (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	$ (63.4)	$ (95.3)	$ (137.5)	$ (182.8)
Administrative and operating expenses	(103.1)	(97.1)	(198.3)	(185.2)
Reclassifications of gains (losses) out of accumulated other comprehensive income before taxes	194.4	169.1	368.6	324.0
Tax credit	(70.6)	(63.7)	(109.1)	(113.9)
Reclassifications of gains (losses) out of accumulated other comprehensive income after taxes	124.3	105.9	260.8	210.9
Loss on derivatives \| Reclassifications of gains (losses) out of accumulated other comprehensive income
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Reclassifications of gains (losses) out of accumulated other comprehensive income before taxes	(2.3)		(11.4)
Tax credit	0.8		4.0
Reclassifications of gains (losses) out of accumulated other comprehensive income after taxes	(1.5)		(7.4)
Loss on derivatives \| Interest rate contracts \| Reclassifications of gains (losses) out of accumulated other comprehensive income
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Interest expense	(2.3)		(5.9)
Loss on derivatives \| Foreign exchange contracts \| Reclassifications of gains (losses) out of accumulated other comprehensive income
Reclassifications of gains (losses) out of accumulated other comprehensive income (loss)
Administrative and operating expenses			$ (5.5)

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the cost of borrowed funds accounted for as interest expense.

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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