EARNINGS PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013	Apr. 30, 2012
EARNINGS PER SHARE
Net income (loss) attributable to Deere & Company (in dollars)	$ 1,084.2	$ 1,056.2	$ 1,733.9	$ 1,589.1
Less income allocable to participating securities (in dollars)	0.3	0.3	0.4	0.5
Income (loss) allocable to common stock (in dollars)	$ 1,083.9	$ 1,055.9	$ 1,733.5	$ 1,588.6
Average shares outstanding	389.2	400.2	388.7	402.1
Basic per share (in dollars per share)	$ 2.79	$ 2.64	$ 4.46	$ 3.95
Diluted Earnings Per Share
Average shares outstanding	389.2	400.2	388.7	402.1
Effect of dilutive share-based compensation (in shares)	3.9	4.5	4.3	4.5
Total potential shares outstanding	393.1	404.7	393.0	406.6
Diluted per share (in dollars per share)	$ 2.76	$ 2.61	$ 4.41	$ 3.91
Antidilutive incremental shares related to share-based compensation excluded from computation of earnings per share	2.5	4.3	2.5	4.3