SUPPLEMENTAL CONSOLIDATING DATA (Income Statement) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Net Sales and Revenues
Net sales	$ 7,398.5	$ 9,246.2	$ 13,003.6	$ 16,194.8
Finance and interest income	576.3	544.1	1,169.9	1,075.6
Other income	195.9	157.6	380.3	331.6
Total	8,170.7	9,947.9	14,553.8	17,602.0
Costs and Expenses
Cost of sales	5,694.2	6,871.8	10,114.8	12,067.3
Research and development expenses	341.1	354.1	674.3	677.8
Selling, administrative and general expenses	740.0	846.5	1,398.9	1,612.5
Interest expense	165.5	165.8	345.6	337.5
Other operating expenses	212.9	245.9	435.5	478.2
Total	7,153.7	8,484.1	12,969.1	15,173.3
Income of Consolidated Group before Income Taxes	1,017.0	1,463.8	1,584.7	2,428.7
Provision for income taxes	324.0	479.0	494.6	759.6
Income of Consolidated Group	693.0	984.8	1,090.1	1,669.1
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Net Income	690.8	981.2	1,077.7	1,662.5
Less: Net income attributable to noncontrolling interests	0.3	0.5	0.5	0.7
Net Income Attributable to Deere & Company	690.5	980.7	1,077.2	1,661.8
Equipment Operations
Net Sales and Revenues
Net sales	7,398.5	9,246.2	13,003.6	16,194.8
Finance and interest income	17.5	18.6	38.0	35.8
Other income	150.3	149.9	310.4	300.3
Total	7,566.3	9,414.7	13,352.0	16,530.9
Costs and Expenses
Cost of sales	5,694.7	6,872.0	10,115.8	12,067.9
Research and development expenses	341.1	354.1	674.3	677.8
Selling, administrative and general expenses	620.4	719.2	1,160.6	1,362.3
Interest expense	67.3	80.1	138.4	155.4
Interest compensation to Financial Services	53.4	54.8	99.4	97.1
Other operating expenses	37.2	99.3	76.2	151.9
Total	6,814.1	8,179.5	12,264.7	14,512.4
Income of Consolidated Group before Income Taxes	752.2	1,235.2	1,087.3	2,018.5
Provision for income taxes	228.6	397.6	323.0	638.0
Income of Consolidated Group	523.6	837.6	764.3	1,380.5
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates	167.2	143.6	313.4	282.0
Net Income	690.8	981.2	1,077.7	1,662.5
Less: Net income attributable to noncontrolling interests	0.3	0.5	0.5	0.7
Net Income Attributable to Deere & Company	690.5	980.7	1,077.2	1,661.8
Equipment Operations | Financial Services
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates	169.8	147.7	326.6	289.9
Equipment Operations | Other
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates	(2.6)	(4.1)	(13.2)	(7.9)
Financial Services
Net Sales and Revenues
Finance and interest income	623.6	591.8	1,256.6	1,161.0
Other income	85.3	38.5	150.2	102.9
Total	708.9	630.3	1,406.8	1,263.9
Costs and Expenses
Selling, administrative and general expenses	121.8	129.5	243.0	255.4
Interest expense	109.5	97.9	232.4	205.7
Other operating expenses	212.8	174.3	434.0	392.6
Total	444.1	401.7	909.4	853.7
Income of Consolidated Group before Income Taxes	264.8	228.6	497.4	410.2
Provision for income taxes	95.4	81.4	171.6	121.6
Income of Consolidated Group	169.4	147.2	325.8	288.6
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates	0.4	0.5	0.8	1.3
Net Income	169.8	147.7	326.6	289.9
Net Income Attributable to Deere & Company	169.8	147.7	326.6	289.9
Financial Services | Financial Services
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates	$ 0.4	$ 0.5	$ 0.8	$ 1.3