SEGMENT AND GEOGRAPHIC AREA DATA - Segment Operating Profit (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Operating Profit (Loss)
Operating profit (loss)									$ 2,589.0	$ 3,140.0	$ 5,218.0
Interest income									1,471.0	1,511.0	1,561.0
Interest expense									(763.7)	(680.0)	(664.0)
Income taxes									(700.1)	(840.1)	(1,626.5)
Net Income									1,521.5	1,940.9	3,163.3
Less: Net income (loss) attributable to noncontrolling interests									(2.4)	0.9	1.6
Net Income Attributable to Deere & Company	$ 285.0	$ 489.0	$ 496.0	$ 254.0	$ 351.0	$ 512.0	$ 690.0	$ 387.0	1,523.9	1,940.0	3,161.7
Agriculture and Turf
Operating Profit (Loss)
Operating profit (loss)									1,700.0	1,649.0	3,649.0
Construction and Forestry
Operating Profit (Loss)
Operating profit (loss)									180.0	528.0	648.0
Financial Services
Operating Profit (Loss)
Operating profit (loss)									709.0	963.0	921.0
Corporate
Operating Profit (Loss)
Interest income									48.0	61.0	57.0
Investment income											2.0
Interest expense									(251.0)	(273.0)	(289.0)
Foreign exchange gain (loss) from equipment operations' financing activities									(12.0)	13.0	(2.0)
Corporate expenses - net									(153.0)	(160.0)	(196.0)
Income taxes									(700.0)	(840.0)	(1,627.0)
Total									$ (1,068.0)	$ (1,199.0)	$ (2,055.0)