SEGMENT AND GEOGRAPHIC AREA DATA FOR THE YEARS ENDED OCTOBER 31, 2013, 2012 AND 2011 (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2013 item	Oct. 31, 2012	Oct. 31, 2011
SEGMENT AND GEOGRAPHIC AREA DATA FOR THE YEARS ENDED OCTOBER 31, 2013, 2012 AND 2011
Number of major business segments									3
Net Sales and Revenues
Total net sales	$ 8,624.0	$ 9,316.0	$ 10,265.0	$ 6,793.0	$ 9,047.0	$ 8,930.0	$ 9,405.0	$ 6,119.0	$ 34,997.9	$ 33,500.9	$ 29,466.1
Total	9,451.0	10,010.0	10,913.0	7,421.0	9,792.0	9,590.0	10,009.0	6,766.0	37,795.4	36,157.1	32,012.5
Equipment Operations
Net Sales and Revenues
Total net sales									34,997.9	33,500.9	29,466.1
Total									35,627.8	34,068.1	29,994.9
Agriculture and Turf
Net Sales and Revenues
Total net sales									29,132.0	27,123.0	24,094.0
Construction and Forestry
Net Sales and Revenues
Total net sales									5,866.0	6,378.0	5,372.0
Financial Services
Net Sales and Revenues
Total									2,349.0	2,235.0	2,163.0
Intersegment | Agriculture and Turf
Net Sales and Revenues
Total									69.0	84.0	98.0
Intersegment | Construction and Forestry
Net Sales and Revenues
Total									2.0	1.0	3.0
Intersegment | Financial Services
Net Sales and Revenues
Total									220.0	219.0	210.0
Other Revenues
Net Sales and Revenues
Total									$ 448.0	$ 421.0	$ 384.0