SUPPLEMENTAL CONSOLIDATING DATA - Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 27, 2019	Jan. 28, 2018
Net Sales and Revenues
Net sales and revenues	$ 7,983.6	$ 6,913.5
Costs and Expenses
Research and development expenses	406.8	356.8
Selling, administrative and general expenses	763.7	705.0
Interest expense	353.0	286.3
Total	7,306.4	6,395.6
Income of Consolidated Group before Income Taxes	677.2	517.9
Provision (credit) for income taxes	184.1	1,057.5
Income (Loss) of Consolidated Group	493.1	(539.6)
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Net Income (Loss)	499.6	(534.7)
Less: Net income attributable to noncontrolling interests	1.1	0.4
Net Income (Loss) Attributable to Deere & Company	498.5	(535.1)
Net Sales
Net Sales and Revenues
Net sales and revenues	6,940.9	5,973.9
Costs and Expenses
Costs and expenses	5,431.6	4,704.5
Finance and Interest Income
Net Sales and Revenues
Net sales and revenues	814.9	722.9
Other
Net Sales and Revenues
Net sales and revenues	227.8	216.7
Costs and Expenses
Costs and expenses	351.3	343.0
Equipment Operations
Net Sales and Revenues
Net sales and revenues	7,179.2	6,181.9
Costs and Expenses
Research and development expenses	406.8	356.8
Selling, administrative and general expenses	644.5	590.5
Interest expense	71.5	96.0
Interest compensation to Financial Services	69.0	61.7
Total	6,695.3	5,882.2
Income of Consolidated Group before Income Taxes	483.9	299.7
Provision (credit) for income taxes	144.1	1,263.8
Income (Loss) of Consolidated Group	339.8	(964.1)
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Equity in Income of Unconsolidated Subsidiaries and Affiliates	159.8	429.4
Net Income (Loss)	499.6	(534.7)
Less: Net income attributable to noncontrolling interests	1.1	0.4
Net Income (Loss) Attributable to Deere & Company	498.5	(535.1)
Equipment Operations | Financial Services
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Equity in Income of Unconsolidated Subsidiaries and Affiliates	153.9	425.3
Equipment Operations | Other
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Equity in Income of Unconsolidated Subsidiaries and Affiliates	5.9	4.1
Equipment Operations | Net Sales
Net Sales and Revenues
Net sales and revenues	6,940.9	5,973.9
Costs and Expenses
Costs and expenses	5,432.1	4,705.0
Equipment Operations | Finance and Interest Income
Net Sales and Revenues
Net sales and revenues	23.4	11.5
Equipment Operations | Other
Net Sales and Revenues
Net sales and revenues	214.9	196.5
Costs and Expenses
Costs and expenses	71.4	72.2
Financial Services
Net Sales and Revenues
Net sales and revenues	926.6	839.7
Costs and Expenses
Selling, administrative and general expenses	121.3	116.2
Interest expense	287.1	194.1
Total	733.3	621.5
Income of Consolidated Group before Income Taxes	193.3	218.2
Provision (credit) for income taxes	40.0	(206.3)
Income (Loss) of Consolidated Group	153.3	424.5
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Equity in Income of Unconsolidated Subsidiaries and Affiliates	0.6	0.8
Net Income (Loss)	153.9	425.3
Net Income (Loss) Attributable to Deere & Company	153.9	425.3
Financial Services | Financial Services
Equity in Income of Unconsolidated Subsidiaries and Affiliates
Equity in Income of Unconsolidated Subsidiaries and Affiliates	0.6	0.8
Financial Services | Finance and Interest Income
Net Sales and Revenues
Net sales and revenues	866.2	777.0
Financial Services | Other
Net Sales and Revenues
Net sales and revenues	60.4	62.7
Costs and Expenses
Costs and expenses	$ 324.9	$ 311.2