SUPPLEMENTAL CONSOLIDATING DATA - Balance Sheet (Details) - USD ($) $ / shares in Units, $ in Millions	Jan. 27, 2019	Oct. 29, 2018	Oct. 28, 2018	Jan. 28, 2018	Oct. 29, 2017
ASSETS
Cash and cash equivalents	$ 3,625.7		$ 3,904.0	$ 3,915.1
Marketable securities	523.5		490.1	462.3
Receivables from unconsolidated subsidiaries and affiliates	35.6		21.7	33.7
Trade accounts and notes receivable - net	5,497.4		5,004.3	4,684.6
Financing receivables - net	25,149.7		27,054.1	23,855.1
Financing receivables securitized - net	4,563.4		4,021.4	4,474.0
Other receivables	1,650.9		1,735.5	1,036.1
Equipment on operating leases - net	6,903.6		7,165.4	6,619.8
Inventories	7,401.9		6,148.9	6,614.2
Property and equipment - net	5,785.2		5,867.5	5,781.2
Investments in unconsolidated subsidiaries and affiliates	211.7		207.3	194.0
Goodwill	3,047.6		3,100.7	3,111.8	$ 1,033.0
Other intangible assets - net	1,507.5		1,562.4	1,659.5
Retirement benefits	1,348.2		1,298.3	580.3
Deferred income taxes	834.1		808.0	1,876.2
Other assets	1,832.2	$ 1,828.0	1,718.4	1,679.6
Total Assets	69,918.2		70,108.0	66,577.5
LIABILITIES
Short-term borrowings	10,737.5		11,061.4	9,743.5
Short-term securitization borrowings	4,464.0		3,957.3	4,428.3
Payables to unconsolidated subsidiaries and affiliates	144.5		128.9	118.0
Accounts payable and accrued expenses	9,086.0	$ 10,221.0	10,111.0	8,489.7
Deferred income taxes	525.4		555.8	590.2
Long-term borrowings	27,855.2		27,237.4	26,421.8
Retirement benefits and other liabilities	5,758.9		5,751.0	7,507.1
Total liabilities	58,571.5		58,802.8	57,298.6
Commitments and contingencies (Note 15)
Redeemable noncontrolling interest	14.0		14.0	14.0
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at January 27, 2019 - 536,431,204)	$ 4,511.5		4,474.2	4,374.0
Common stock, par value (in dollars per share)	$ 1
Common stock, issued shares	536,431,204
Common stock in treasury	$ (16,422.1)		(16,311.8)	(15,404.3)
Retained earnings	27,816.3		27,553.0	24,571.9
Accumulated other comprehensive income (loss)	(4,577.9)		(4,427.6)	(4,289.0)
Total Deere & Company stockholders' equity	11,327.8		11,287.8	9,252.6
Noncontrolling interests	4.9		3.4	12.3
Total stockholders' equity	11,332.7		11,291.2	9,264.9	$ 9,560.5
Total Liabilities and Stockholders' Equity	69,918.2		70,108.0	66,577.5
Equipment Operations
ASSETS
Cash and cash equivalents	2,670.4		3,194.8	2,617.1
Marketable securities	8.7		8.2	17.6
Receivables from unconsolidated subsidiaries and affiliates	273.7		1,700.4	667.7
Trade accounts and notes receivable - net	1,177.4		1,373.7	1,051.3
Financing receivables - net	101.5		93.1	51.6
Financing receivables securitized - net	67.6		76.1	124.9
Other receivables	1,485.0		1,009.7	885.7
Inventories	7,401.9		6,148.9	6,614.2
Property and equipment - net	5,739.4		5,820.6	5,733.0
Investments in unconsolidated subsidiaries and affiliates	5,175.1		5,231.2	5,285.8
Goodwill	3,047.6		3,100.7	3,111.8
Other intangible assets - net	1,507.5		1,562.4	1,659.5
Retirement benefits	1,291.0		1,241.5	580.2
Deferred income taxes	1,507.1		1,502.6	2,248.7
Other assets	1,240.5		1,132.8	1,118.2
Total Assets	32,694.4		33,196.7	31,767.3
LIABILITIES
Short-term borrowings	1,494.0		1,434.0	858.2
Short-term securitization borrowings	66.9		75.6	125.8
Payables to unconsolidated subsidiaries and affiliates	227.8		128.9	118.0
Accounts payable and accrued expenses	8,710.9		9,382.5	7,894.3
Deferred income taxes	470.2		496.8	491.2
Long-term borrowings	4,712.4		4,713.9	5,572.5
Retirement benefits and other liabilities	5,665.5		5,659.8	7,428.4
Total liabilities	21,347.7		21,891.5	22,488.4
Commitments and contingencies (Note 15)
Redeemable noncontrolling interest	14.0		14.0	14.0
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at January 27, 2019 - 536,431,204)	$ 4,511.5		$ 4,474.2	$ 4,374.0
Common stock, par value (in dollars per share)	$ 1		$ 1	$ 1
Common stock, issued shares	536,431,204
Common stock in treasury	$ (16,422.1)		$ (16,311.8)	$ (15,404.3)
Retained earnings	27,816.3		27,553.0	24,571.9
Accumulated other comprehensive income (loss)	(4,577.9)		(4,427.6)	(4,289.0)
Total Deere & Company stockholders' equity	11,327.8		11,287.8	9,252.6
Noncontrolling interests	4.9		3.4	12.3
Total stockholders' equity	11,332.7		11,291.2	9,264.9
Total Liabilities and Stockholders' Equity	32,694.4		33,196.7	31,767.3
Financial Services
ASSETS
Cash and cash equivalents	955.3		709.2	1,298.0
Marketable securities	514.8		481.9	444.7
Trade accounts and notes receivable - net	5,746.4		4,906.4	4,907.1
Financing receivables - net	25,048.2		26,961.0	23,803.5
Financing receivables securitized - net	4,495.8		3,945.3	4,349.1
Other receivables	183.7		775.7	156.4
Equipment on operating leases - net	6,903.6		7,165.4	6,619.8
Property and equipment - net	45.8		46.9	48.2
Investments in unconsolidated subsidiaries and affiliates	15.7		15.2	15.5
Retirement benefits	57.2		56.8	16.2
Deferred income taxes	70.3		69.4	80.1
Other assets	593.0		587.1	563.1
Total Assets	44,629.8		45,720.3	42,301.7
LIABILITIES
Short-term borrowings	9,243.5		9,627.4	8,885.3
Short-term securitization borrowings	4,397.1		3,881.7	4,302.5
Payables to unconsolidated subsidiaries and affiliates	154.8		1,678.7	634.0
Accounts payable and accrued expenses	1,820.6		2,055.7	1,876.9
Deferred income taxes	798.5		823.0	551.6
Long-term borrowings	23,142.8		22,523.5	20,849.3
Retirement benefits and other liabilities	93.4		91.2	94.8
Total liabilities	39,650.7		40,681.2	37,194.4
Commitments and contingencies (Note 15)
STOCKHOLDERS' EQUITY
Common stock, $1 par value (issued shares at January 27, 2019 - 536,431,204)	$ 2,099.5		$ 2,099.5	$ 2,099.1
Common stock, par value (in dollars per share)	$ 1		$ 1	$ 1
Common stock, issued shares	536,431,204
Retained earnings	$ 3,219.0		$ 3,257.2	$ 3,169.0
Accumulated other comprehensive income (loss)	(339.4)		(317.6)	(160.8)
Total Deere & Company stockholders' equity	4,979.1		5,039.1	5,107.3
Total stockholders' equity	4,979.1		5,039.1	5,107.3
Total Liabilities and Stockholders' Equity	$ 44,629.8		$ 45,720.3	$ 42,301.7