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SEGMENT AND GEOGRAPHIC AREA DATA - Segment Interest Income and Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Operating Segments
Interest income	$ 1,471.0	$ 1,511.0	$ 1,561.0
Interest expense	763.7	680.0	664.0
Operating Segment | Agriculture and Turf
Operating Segments
Interest income	12.0	14.0	17.0
Interest expense	173.0	160.0	175.0
Operating Segment | Construction and Forestry
Operating Segments
Interest income	1.0	2.0	1.0
Interest expense	44.0	45.0	37.0
Operating Segment | Financial Services
Operating Segments
Interest income	1,650.0	1,687.0	1,754.0
Interest expense	536.0	455.0	431.0
Corporate
Operating Segments
Interest income	48.0	61.0	57.0
Interest expense	251.0	273.0	289.0
Intercompany Eliminations
Operating Segments
Interest income	(240.0)	(253.0)	(268.0)
Interest expense	$ (240.0)	$ (253.0)	$ (268.0)

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.9)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(b))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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