SUPPLEMENTAL CONSOLIDATING DATA (Condensed Balance Sheet) (Details 2) - USD ($) $ / shares in Units, $ in Millions	Apr. 30, 2016	Oct. 31, 2015	Apr. 30, 2015	Oct. 31, 2014
ASSETS
Cash and cash equivalents	$ 4,133.2	$ 4,162.2	$ 4,355.4	$ 3,787.0
Marketable securities	475.5	437.4	392.9
Receivables from unconsolidated subsidiaries and affiliates	81.3	33.3	46.4
Trade accounts and notes receivable - net	4,898.9	3,051.1	4,717.1
Financing receivables - net	23,415.3	24,809.0	24,745.8
Financing receivables securitized - net	4,734.7	4,834.6	4,741.1
Other receivables	876.2	991.2	873.4
Equipment on operating leases - net	5,455.5	4,970.4	4,195.2
Inventories	4,061.0	3,817.0	4,624.2
Property and equipment - net	5,079.7	5,181.5	5,245.1
Investments in unconsolidated subsidiaries and affiliates	236.7	303.5	299.2
Goodwill	835.0	726.0	737.0	791.0
Other intangible assets - net	120.5	63.6	60.4
Retirement benefits	285.4	215.6	313.9
Deferred income taxes	2,681.9	2,767.3	2,659.4
Other assets	1,812.5	1,583.9	1,587.5
Total Assets	59,183.3	57,947.6	59,594.0
LIABILITIES
Short-term borrowings	8,576.0	8,426.6	8,989.0
Short-term securitization borrowings	4,641.8	4,590.0	4,702.7
Payables to unconsolidated subsidiaries and affiliates	109.5	80.6	130.1
Accounts payable and accrued expenses	6,980.8	7,311.5	7,260.2
Deferred income taxes	180.3	160.8	149.3
Long-term borrowings	24,648.0	23,832.8	23,622.8
Retirement benefits and other liabilities	6,856.2	6,787.7	6,563.9
Total liabilities	$ 51,992.6	$ 51,190.0	$ 51,418.0
Commitments and contingencies (Note 14)
Redeemable noncontrolling interest (Note 18)	$ 14.0
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at April 30, 2016 - 536,431,204)	$ 3,862.0	$ 3,825.6	$ 3,745.2
Common stock, par value (in dollars per share)	$ 1
Common stock, issued shares	536,431,204
Common stock in treasury	$ (15,693.6)	(15,497.6)	(13,951.2)
Retained earnings	23,514.7	23,144.8	22,673.4
Accumulated other comprehensive income (loss)	(4,518.8)	(4,729.4)	(4,293.6)
Total Deere & Company stockholders' equity	7,164.3	6,743.4	8,173.8
Noncontrolling interests	12.4	14.2	2.2
Total stockholders' equity	7,176.7	6,757.6	8,176.0	9,065.5
Total Liabilities and Stockholders' Equity	59,183.3	57,947.6	59,594.0
Equipment Operations
ASSETS
Cash and cash equivalents	2,790.8	2,900.0	3,162.9	2,569.2
Marketable securities	71.2	47.7
Receivables from unconsolidated subsidiaries and affiliates	2,226.2	2,428.7	2,558.0
Trade accounts and notes receivable - net	631.2	485.2	681.3
Financing receivables - net	0.7	0.9	8.7
Other receivables	778.2	849.5	780.7
Inventories	4,061.0	3,817.0	4,624.2
Property and equipment - net	5,026.2	5,126.2	5,191.7
Investments in unconsolidated subsidiaries and affiliates	4,774.7	4,817.6	4,895.5
Goodwill	835.0	726.0	737.0
Other intangible assets - net	120.5	63.6	60.4
Retirement benefits	280.9	211.9	314.3
Deferred income taxes	3,185.7	3,092.0	2,991.2
Other assets	883.0	807.3	889.9
Total Assets	25,665.3	25,373.6	26,895.8
LIABILITIES
Short-term borrowings	218.7	464.3	549.6
Payables to unconsolidated subsidiaries and affiliates	109.5	80.6	130.1
Accounts payable and accrued expenses	6,674.5	6,801.2	6,964.0
Deferred income taxes	102.7	86.8	79.3
Long-term borrowings	4,584.0	4,460.6	4,488.9
Retirement benefits and other liabilities	6,785.2	6,722.5	6,507.9
Total liabilities	$ 18,474.6	$ 18,616.0	$ 18,719.8
Commitments and contingencies (Note 14)
Redeemable noncontrolling interest (Note 18)	$ 14.0
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at April 30, 2016 - 536,431,204)	$ 3,862.0	$ 3,825.6	$ 3,745.2
Common stock, par value (in dollars per share)	$ 1	$ 1	$ 1
Common stock, issued shares	536,431,204
Common stock in treasury	$ (15,693.6)	$ (15,497.6)	$ (13,951.2)
Retained earnings	23,514.7	23,144.8	22,673.4
Accumulated other comprehensive income (loss)	(4,518.8)	(4,729.4)	(4,293.6)
Total Deere & Company stockholders' equity	7,164.3	6,743.4	8,173.8
Noncontrolling interests	12.4	14.2	2.2
Total stockholders' equity	7,176.7	6,757.6	8,176.0
Total Liabilities and Stockholders' Equity	25,665.3	25,373.6	26,895.8
Financial Services
ASSETS
Cash and cash equivalents	1,342.4	1,262.2	1,192.5	$ 1,217.8
Marketable securities	404.3	389.7	392.9
Trade accounts and notes receivable - net	5,529.4	3,553.1	5,160.8
Financing receivables - net	23,414.6	24,808.1	24,737.1
Financing receivables securitized - net	4,734.7	4,834.6	4,741.1
Other receivables	130.8	152.9	122.5
Equipment on operating leases - net	5,455.5	4,970.4	4,195.2
Property and equipment - net	53.5	55.3	53.4
Investments in unconsolidated subsidiaries and affiliates	11.9	10.5	10.5
Retirement benefits	23.2	25.0	29.0
Deferred income taxes	70.4	67.9	62.9
Other assets	932.3	779.1	700.2
Total Assets	42,103.0	40,908.8	41,398.1
LIABILITIES
Short-term borrowings	8,357.3	7,962.3	8,439.4
Short-term securitization borrowings	4,641.8	4,590.0	4,702.7
Payables to unconsolidated subsidiaries and affiliates	2,144.9	2,395.4	2,511.6
Accounts payable and accrued expenses	1,603.7	1,511.2	1,453.5
Deferred income taxes	651.8	466.6	464.8
Long-term borrowings	20,064.0	19,372.2	19,133.9
Retirement benefits and other liabilities	89.6	86.4	85.5
Total liabilities	$ 37,553.1	$ 36,384.1	$ 36,791.4
Commitments and contingencies (Note 14)
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at April 30, 2016 - 536,431,204)	$ 2,071.9	$ 2,050.8	$ 2,051.3
Common stock, par value (in dollars per share)	$ 1	$ 1	$ 1
Common stock, issued shares	536,431,204
Retained earnings	$ 2,719.7	$ 2,764.8	$ 2,718.8
Accumulated other comprehensive income (loss)	(241.7)	(290.9)	(163.4)
Total Deere & Company stockholders' equity	4,549.9	4,524.7	4,606.7
Total stockholders' equity	4,549.9	4,524.7	4,606.7
Total Liabilities and Stockholders' Equity	$ 42,103.0	$ 40,908.8	$ 41,398.1