SEGMENT AND GEOGRAPHIC AREA DATA FOR THE YEARS ENDED OCTOBER 31, 2015, 2014 AND 2013 (Details 2) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Operating Profit (Loss)
Operating profit (loss)									$ 3,140.0	$ 5,218.0	$ 5,928.0
Interest income									1,511.0	1,561.0	1,502.0
Interest expense									(680.0)	(664.0)	(741.3)
Income taxes									(840.1)	(1,626.5)	(1,945.9)
Net Income									1,940.9	3,163.3	3,537.6
Less: Net income attributable to noncontrolling interests									0.9	1.6	0.3
Net Income Attributable to Deere & Company	$ 351.0	$ 512.0	$ 690.0	$ 387.0	$ 649.0	$ 851.0	$ 981.0	$ 681.0	1,940.0	3,161.7	3,537.3
Agriculture and Turf
Operating Profit (Loss)
Operating profit (loss)									1,649.0	3,649.0	4,680.0
Construction and Forestry
Operating Profit (Loss)
Operating profit (loss)									528.0	648.0	378.0
Financial Services
Operating Profit (Loss)
Operating profit (loss)									963.0	921.0	870.0
Corporate
Operating Profit (Loss)
Interest income									61.0	57.0	55.0
Investment income										2.0	2.0
Interest expense									(273.0)	(289.0)	(297.0)
Foreign exchange gain (loss) from equipment operations' financing activities									13.0	(2.0)	(8.0)
Corporate expenses - net									(160.0)	(196.0)	(197.0)
Income taxes									(840.0)	(1,627.0)	(1,946.0)
Total									$ (1,199.0)	$ (2,055.0)	$ (2,391.0)