SUPPLEMENTAL CONSOLIDATING DATA (Income Statement) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Net Sales and Revenues
Net sales	$ 8,043.0	$ 8,723.0	$ 9,246.0	$ 6,949.0	$ 8,624.0	$ 9,316.0	$ 10,265.0	$ 6,793.0	$ 32,960.6	$ 34,997.9	$ 33,500.9
Finance and interest income									2,282.1	2,115.1	1,981.3
Other income									824.2	682.4	674.9
Total	8,965.0	9,500.0	9,948.0	7,654.0	9,451.0	10,010.0	10,913.0	7,421.0	36,066.9	37,795.4	36,157.1
Costs and Expenses
Cost of sales									24,775.8	25,667.3	25,007.8
Research and development expenses									1,452.0	1,477.3	1,433.6
Selling, administrative and general expenses									3,284.4	3,605.5	3,417.0
Interest expense									664.0	741.3	782.8
Other operating expenses									1,093.3	820.6	781.5
Total									31,269.5	32,312.0	31,422.7
Income of Consolidated Group before Income Taxes	1,076.0	1,292.0	1,464.0	965.0	1,244.0	1,549.0	1,744.0	946.0	4,797.4	5,483.4	4,734.4
Provision for income taxes									1,626.5	1,945.9	1,659.4
Income of Consolidated Group									3,170.9	3,537.5	3,075.0
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Net Income									3,163.3	3,537.6	3,071.6
Less: Net income attributable to noncontrolling interests									1.6	0.3	6.9
Net Income Attributable to Deere & Company	649.0	851.0	981.0	681.0	807.0	996.0	1,084.0	650.0	3,161.7	3,537.3	3,064.7
Equipment Operations
Net Sales and Revenues
Net sales									32,960.6	34,997.9	33,500.9
Finance and interest income									76.5	80.8	74.0
Other income									622.6	549.1	493.2
Total									33,659.7	35,627.8	34,068.1
Costs and Expenses
Cost of sales									24,777.8	25,668.8	25,009.2
Research and development expenses									1,452.0	1,477.3	1,433.6
Selling, administrative and general expenses									2,765.1	3,143.9	2,988.8
Interest expense									289.4	297.1	231.1
Interest compensation to Financial Services									212.1	202.7	203.6
Other operating expenses									285.4	223.7	178.1
Total									29,781.8	31,013.5	30,044.4
Income of Consolidated Group before Income Taxes									3,877.9	4,614.3	4,023.7
Provision for income taxes									1,329.6	1,640.7	1,407.6
Income of Consolidated Group									2,548.3	2,973.6	2,616.1
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates									615.0	564.0	455.5
Net Income									3,163.3	3,537.6	3,071.6
Less: Net income attributable to noncontrolling interests									1.6	0.3	6.9
Net Income Attributable to Deere & Company									3,161.7	3,537.3	3,064.7
Equipment Operations | Financial Services
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates									624.5	565.0	460.3
Equipment Operations | Other
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates									(9.5)	(1.0)	(4.8)
Financial Services
Net Sales and Revenues
Finance and interest income									2,475.0	2,280.5	2,155.7
Other income									330.2	288.4	298.8
Total									2,805.2	2,568.9	2,454.5
Costs and Expenses
Selling, administrative and general expenses									529.2	473.2	439.3
Interest expense									430.9	487.6	596.4
Other operating expenses									925.6	739.0	708.1
Total									1,885.7	1,699.8	1,743.8
Income of Consolidated Group before Income Taxes									919.5	869.1	710.7
Provision for income taxes									296.9	305.2	251.8
Income of Consolidated Group									622.6	563.9	458.9
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates									1.9	1.1	1.4
Net Income									624.5	565.0	460.3
Net Income Attributable to Deere & Company									624.5	565.0	460.3
Financial Services | Financial Services
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates
Equity in Income (Loss) of Unconsolidated Subsidiaries and Affiliates									$ 1.9	$ 1.1	$ 1.4