SEGMENT AND GEOGRAPHIC AREA DATA FOR THE YEARS ENDED OCTOBER 31, 2012, 2011 AND 2010 (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2011	Jul. 31, 2011	Apr. 30, 2011	Jan. 31, 2011	Oct. 31, 2012		Oct. 31, 2011		Oct. 31, 2010
Net Sales and Revenues
Total net sales	$ 9,047.0	$ 8,930.0	$ 9,405.0	$ 6,119.0	$ 7,903.0	$ 7,722.0	$ 8,327.0	$ 5,514.0	$ 33,500.9		$ 29,466.1		$ 23,573.2
Total	9,792.0	9,590.0	10,009.0	6,766.0	8,612.0	8,372.0	8,910.0	6,119.0	36,157.1		32,012.5		26,004.6
Agriculture and Turf
Net Sales and Revenues
Total net sales									27,123.0		24,094.0		19,868.0
Construction and Forestry
Net Sales and Revenues
Total net sales									6,378.0		5,372.0		3,705.0
Financial Services
Net Sales and Revenues
Total									2,235.0		2,163.0	[1]	2,074.0
Other Reconciling Items
Net Sales and Revenues
Total									$ 421.0	[1]	$ 384.0	[1]	$ 358.0

[1] Other revenues are primarily the equipment operations, revenues for finance and interest income, and other income as disclosed in Note 31, net of certain intercompany eliminations.