SUPPLEMENTAL CONSOLIDATING DATA (Balance Sheet) (Details 2) - USD ($) $ / shares in Units, $ in Millions	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
ASSETS
Cash and cash equivalents	$ 4,162.2	$ 3,787.0	$ 3,504.0	$ 4,652.2
Marketable securities	437.4	1,215.1
Receivables from unconsolidated subsidiaries and affiliates	33.3	30.2
Trade accounts and notes receivable - net	3,051.1	3,277.6
Financing receivables - net	24,809.0	27,422.2
Financing receivables securitized - net	4,834.6	4,602.3
Other receivables	991.2	1,500.3
Equipment on operating leases - net	4,970.4	4,015.5
Inventories	3,817.0	4,209.7
Property and equipment - net	5,181.5	5,577.8	5,467.0
Investments in unconsolidated subsidiaries and affiliates	303.5	303.2	221.0
Goodwill	726.0	791.2	845.0
Other intangible assets - net	63.6	68.8
Retirement benefits	215.6	262.0
Deferred income taxes	2,767.3	2,776.6
Other assets	1,583.9	1,496.9
Total Assets	57,947.6	61,336.4	59,521.0
LIABILITIES
Short-term borrowings	8,426.6	8,019.2
Short-term securitization borrowings	4,590.0	4,558.5
Payables to unconsolidated subsidiaries and affiliates	80.6	101.0
Accounts payable and accrued expenses	7,311.5	8,554.1
Deferred income taxes	160.8	160.9
Long-term borrowings	23,832.8	24,380.7
Retirement benefits and other liabilities	6,787.7	6,496.5
Total liabilities	$ 51,190.0	$ 52,270.9
Commitments and contingencies (Note 22)
STOCKHOLDERS' EQUITY
Common stock, $1 par value (authorized - 1,200,000,000 shares; issued - 536,431,204 shares in 2015 and 2014), at paid-in amount	$ 3,825.6	$ 3,675.4	$ 3,524.0	$ 3,352.0
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized shares	1,200,000,000	1,200,000,000
Common stock, issued shares	536,431,204	536,431,204	536,400,000	536,400,000
Common stock in treasury, 219,743,893 shares in 2015 and 190,926,805 shares in 2014, at cost	$ (15,497.6)	$ (12,834.2)
Common stock in treasury (in shares)	219,743,893	190,926,805
Retained earnings	$ 23,144.8	$ 22,004.4
Accumulated other comprehensive income (loss)	(4,729.4)	(3,783.0)
Total Deere & Company stockholders' equity	6,743.4	9,062.6
Noncontrolling interests	14.2	2.9
Total stockholders' equity	6,757.6	9,065.5	$ 10,267.7	$ 6,862.0
Total Liabilities and Stockholders' Equity	57,947.6	61,336.4
Equipment Operations
ASSETS
Cash and cash equivalents	2,900.0	2,569.2	3,023.3	3,907.9
Marketable securities	47.7	700.4
Receivables from unconsolidated subsidiaries and affiliates	2,428.7	3,663.9
Trade accounts and notes receivable - net	485.2	706.0
Financing receivables - net	0.9	18.5
Other receivables	849.5	848.0
Inventories	3,817.0	4,209.7
Property and equipment - net	5,126.2	5,522.5
Investments in unconsolidated subsidiaries and affiliates	4,817.6	5,106.5
Goodwill	726.0	791.2
Other intangible assets - net	63.6	64.8
Retirement benefits	211.9	263.5
Deferred income taxes	3,092.0	2,981.9
Other assets	807.3	850.6
Total Assets	25,373.6	28,296.7
LIABILITIES
Short-term borrowings	464.3	434.1
Payables to unconsolidated subsidiaries and affiliates	80.6	101.0
Accounts payable and accrued expenses	6,801.2	7,518.4
Deferred income taxes	86.8	87.1
Long-term borrowings	4,460.6	4,642.5
Retirement benefits and other liabilities	6,722.5	6,448.1
Total liabilities	$ 18,616.0	$ 19,231.2
Commitments and contingencies (Note 22)
STOCKHOLDERS' EQUITY
Common stock, $1 par value (authorized - 1,200,000,000 shares; issued - 536,431,204 shares in 2015 and 2014), at paid-in amount	$ 3,825.6	$ 3,675.4
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized shares	1,200,000,000	1,200,000,000
Common stock, issued shares	536,431,204	536,431,204
Common stock in treasury, 219,743,893 shares in 2015 and 190,926,805 shares in 2014, at cost	$ (15,497.6)	$ (12,834.2)
Common stock in treasury (in shares)	219,743,893	190,926,805
Retained earnings	$ 23,144.8	$ 22,004.4
Accumulated other comprehensive income (loss)	(4,729.4)	(3,783.0)
Total Deere & Company stockholders' equity	6,743.4	9,062.6
Noncontrolling interests	14.2	2.9
Total stockholders' equity	6,757.6	9,065.5
Total Liabilities and Stockholders' Equity	25,373.6	28,296.7
Financial Services
ASSETS
Cash and cash equivalents	1,262.2	1,217.8	$ 480.8	$ 744.3
Marketable securities	389.7	514.7
Trade accounts and notes receivable - net	3,553.1	3,554.4
Financing receivables - net	24,808.1	27,403.7
Financing receivables securitized - net	4,834.6	4,602.3
Other receivables	152.9	659.0
Equipment on operating leases - net	4,970.4	4,015.5
Property and equipment - net	55.3	55.3
Investments in unconsolidated subsidiaries and affiliates	10.5	10.9
Other intangible assets - net		4.0
Retirement benefits	25.0	32.9
Deferred income taxes	67.9	64.9
Other assets	779.1	648.2
Total Assets	40,908.8	42,783.6
LIABILITIES
Short-term borrowings	7,962.3	7,585.1
Short-term securitization borrowings	4,590.0	4,558.5
Payables to unconsolidated subsidiaries and affiliates	2,395.4	3,633.7
Accounts payable and accrued expenses	1,511.2	2,027.0
Deferred income taxes	466.6	344.1
Long-term borrowings	19,372.2	19,738.2
Retirement benefits and other liabilities	86.4	82.8
Total liabilities	$ 36,384.1	$ 37,969.4
Commitments and contingencies (Note 22)
STOCKHOLDERS' EQUITY
Common stock, $1 par value (authorized - 1,200,000,000 shares; issued - 536,431,204 shares in 2015 and 2014), at paid-in amount	$ 2,050.8	$ 2,023.1
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, authorized shares	1,200,000,000	1,200,000,000
Common stock, issued shares	536,431,204	536,431,204
Retained earnings	$ 2,764.8	$ 2,811.8
Accumulated other comprehensive income (loss)	(290.9)	(20.7)
Total Deere & Company stockholders' equity	4,524.7	4,814.2
Total stockholders' equity	4,524.7	4,814.2
Total Liabilities and Stockholders' Equity	$ 40,908.8	$ 42,783.6