SUPPLEMENTAL INFORMATION (UNAUDITED) (Details) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Oct. 31, 2016 USD ($) item $ / shares	Jul. 31, 2016 USD ($) $ / shares	Apr. 30, 2016 USD ($) $ / shares	Jan. 31, 2016 USD ($) $ / shares	Oct. 31, 2015 USD ($) $ / shares	Jul. 31, 2015 USD ($) $ / shares	Apr. 30, 2015 USD ($) $ / shares	Jan. 31, 2015 USD ($) $ / shares	Oct. 31, 2016 USD ($) item $ / shares	Oct. 31, 2015 USD ($) $ / shares	Oct. 31, 2014 USD ($) $ / shares
Market price of shares
Share price	$ 87.17								$ 87.17
Number of common stockholders
Number of holders of record of the company's $1 par value common stock | item	22,711								22,711
Common stock, par value (in dollars per share)	$ 1				$ 1				$ 1	$ 1
Quarterly information with respect to net sales and revenues and earnings
Net sales and revenues | $	$ 6,520.0	$ 6,724.0	$ 7,875.0	$ 5,525.0	$ 6,715.0	$ 7,594.0	$ 8,171.0	$ 6,383.0	$ 26,644.0	$ 28,862.8	$ 36,066.9
Net sales | $	5,650.0	5,861.0	7,107.0	4,769.0	5,932.0	6,839.0	7,399.0	5,605.0	23,387.3	25,775.2	32,960.6
Gross profit | $	1,267.0	1,367.0	1,575.0	929.0	1,262.0	1,482.0	1,704.0	1,184.0
Income before income taxes | $	435.0	705.0	733.0	351.0	457.0	738.0	1,017.0	568.0	2,224.0	2,780.1	4,797.4
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
Per Share Data
Basic (in dollars per share)	$ 0.91	$ 1.55	$ 1.57	$ 0.80	$ 1.09	$ 1.54	$ 2.05	$ 1.13	$ 4.83	$ 5.81	$ 8.71
Diluted (in dollars per share)	0.90	1.55	1.56	0.80	1.08	1.53	2.03	1.12	4.81	5.77	8.63
Dividends declared (in dollars per share)	0.60	0.60	0.60	0.60	0.60	0.60	0.60	0.60	2.40	2.40	$ 2.22
Dividends paid (in dollars per share)	0.60	0.60	0.60	0.60	0.60	0.60	0.60	0.60
Common Stock | Maximum
Market price of shares
Share price	88.09	87.48	85.68	80.19	97.14	97.33	92.75	90.85	88.09	97.14
Common Stock | Minimum
Market price of shares
Share price	$ 76.83	$ 77.71	$ 74.58	$ 71.78	$ 72.89	$ 88.98	$ 86.64	$ 84.55	$ 76.83	$ 72.89