SUPPLEMENTAL INFORMATION (UNAUDITED) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2014 item	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2014 item	Oct. 31, 2013	Oct. 31, 2012
Market price of shares
Share price	$ 85.54								$ 85.54
Number of common stockholders
Number of holders of record of the company's $1 par value common stock	24,138								24,138
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	$ 8,965.0	$ 9,500.0	$ 9,948.0	$ 7,654.0	$ 9,451.0	$ 10,010.0	$ 10,913.0	$ 7,421.0	$ 36,066.9	$ 37,795.4	$ 36,157.1
Net sales	8,043.0	8,723.0	9,246.0	6,949.0	8,624.0	9,316.0	10,265.0	6,793.0	32,960.6	34,997.9	33,500.9
Gross profit	1,946	2,112	2,374	1,753	2,292	2,478	2,783	1,778
Income before income taxes	1,076.0	1,292.0	1,464.0	965.0	1,244.0	1,549.0	1,744.0	946.0	4,797.4	5,483.4	4,734.4
Net income attributable to Deere & Company	$ 649.0	$ 851.0	$ 981.0	$ 681.0	$ 807.0	$ 996.0	$ 1,084.0	$ 650.0	$ 3,161.7	$ 3,537.3	$ 3,064.7
Per Share Data
Basic (in dollars per share)	$ 1.84	$ 2.35	$ 2.67	$ 1.83	$ 2.13	$ 2.58	$ 2.79	$ 1.67	$ 8.71	$ 9.18	$ 7.72
Diluted (in dollars per share)	$ 1.83	$ 2.33	$ 2.65	$ 1.81	$ 2.11	$ 2.56	$ 2.76	$ 1.65	$ 8.63	$ 9.09	$ 7.63
Dividends declared (in dollars per share)	$ 0.60	$ 0.60	$ 0.51	$ 0.51	$ 0.51	$ 0.51	$ 0.51	$ 0.46	$ 2.22	$ 1.99	$ 1.79
Dividends paid (in dollars per share)	$ 0.60	$ 0.51	$ 0.51	$ 0.51	$ 0.51	$ 0.51	$ 0.46	$ 0.46
Common Stock | Maximum
Market price of shares
Share price	$ 87.16	$ 94.53	$ 93.89	$ 91.33	$ 85.10	$ 93.77	$ 95.05	$ 93.47	$ 87.16	$ 85.10
Common Stock | Minimum
Market price of shares
Share price	$ 80.01	$ 85.11	$ 84.05	$ 81.50	$ 80.99	$ 80.90	$ 82.56	$ 82.83	$ 80.01	$ 80.99