GOODWILL AND OTHER INTANGIBLE ASSETS-NET (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Changes in Amounts of Goodwill
Goodwill - gross, beginning balance	$ 1,316	$ 1,315
Less accumulated impairment losses, beginning balance	316	316
Goodwill - net, beginning balance	999.8	999.0
Translation adjustments	(66)	26
Other		(2)
Goodwill - gross, ending balance	1,250	1,339
Less accumulated impairment losses, ending balance	316	316
Goodwill - net, ending balance	933.6	1,023.2
Agriculture and Turf
Changes in Amounts of Goodwill
Goodwill - gross, beginning balance	701	705
Less accumulated impairment losses, beginning balance	316	316
Goodwill - net, beginning balance	385.0	389.0
Translation adjustments	(19)	6
Other		(2)
Goodwill - gross, ending balance	682	709
Less accumulated impairment losses, ending balance	316	316
Goodwill - net, ending balance	366.0	393.0
Construction and Forestry
Changes in Amounts of Goodwill
Goodwill - gross, beginning balance	615	610
Goodwill - net, beginning balance	615.0	610.0
Translation adjustments	(47)	20
Goodwill - gross, ending balance	568	630
Goodwill - net, ending balance	$ 568.0	$ 630.0