REVENUE RECOGNITION - Primary Geograhical Market, Major Product Lines, and Timing (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Nov. 03, 2019	Jul. 28, 2019	Apr. 28, 2019	Jan. 27, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Nov. 03, 2019	Oct. 28, 2018	Oct. 29, 2017
Revenue Recognition
Net sales and revenues	$ 9,896	$ 10,036	$ 11,342	$ 7,984	$ 9,416	$ 10,309	$ 10,720	$ 6,913	$ 39,258	$ 37,358	$ 29,738
Revenue recognized at a point in time
Revenue Recognition
Net sales and revenues									35,417
Revenue recognized over time
Revenue Recognition
Net sales and revenues									3,841
Large Agriculture
Revenue Recognition
Net sales									11,727
Small Agriculture
Revenue Recognition
Net sales									8,696
Turf
Revenue Recognition
Net sales									2,650
Construction
Revenue Recognition
Net sales									5,188
Compact Construction
Revenue Recognition
Net sales									1,279
Road Building
Revenue Recognition
Net sales									3,193
Forestry
Revenue Recognition
Net sales									1,403
Financial Products
Revenue Recognition
Net sales and revenues									3,751
Other
Revenue Recognition
Net sales and revenues									1,371
U.S.
Revenue Recognition
Net sales and revenues									20,926
Canada
Revenue Recognition
Net sales and revenues									2,820
Western Europe
Revenue Recognition
Net sales and revenues									5,539
Central Europe and CIS
Revenue Recognition
Net sales and revenues									2,209
Latin America
Revenue Recognition
Net sales and revenues									3,885
Asia, Africa, Australia, New Zealand, and Middle East
Revenue Recognition
Net sales and revenues									3,879
Agriculture and Turf
Revenue Recognition
Net sales and revenues									24,129
Agriculture and Turf \| Revenue recognized at a point in time
Revenue Recognition
Net sales and revenues									23,915
Agriculture and Turf \| Revenue recognized over time
Revenue Recognition
Net sales and revenues									214
Agriculture and Turf \| Large Agriculture
Revenue Recognition
Net sales									11,727
Agriculture and Turf \| Small Agriculture
Revenue Recognition
Net sales									8,696
Agriculture and Turf \| Turf
Revenue Recognition
Net sales									2,650
Agriculture and Turf \| Financial Products
Revenue Recognition
Net sales and revenues									100
Agriculture and Turf \| Other
Revenue Recognition
Net sales and revenues									956
Agriculture and Turf \| U.S.
Revenue Recognition
Net sales and revenues									12,362
Agriculture and Turf \| Canada
Revenue Recognition
Net sales and revenues									1,096
Agriculture and Turf \| Western Europe
Revenue Recognition
Net sales and revenues									3,866
Agriculture and Turf \| Central Europe and CIS
Revenue Recognition
Net sales and revenues									1,423
Agriculture and Turf \| Latin America
Revenue Recognition
Net sales and revenues									2,894
Agriculture and Turf \| Asia, Africa, Australia, New Zealand, and Middle East
Revenue Recognition
Net sales and revenues									2,488
Construction and Forestry
Revenue Recognition
Net sales and revenues									11,508
Construction and Forestry \| Revenue recognized at a point in time
Revenue Recognition
Net sales and revenues									11,391
Construction and Forestry \| Revenue recognized over time
Revenue Recognition
Net sales and revenues									117
Construction and Forestry \| Construction
Revenue Recognition
Net sales									5,188
Construction and Forestry \| Compact Construction
Revenue Recognition
Net sales									1,279
Construction and Forestry \| Road Building
Revenue Recognition
Net sales									3,193
Construction and Forestry \| Forestry
Revenue Recognition
Net sales									1,403
Construction and Forestry \| Financial Products
Revenue Recognition
Net sales and revenues									30
Construction and Forestry \| Other
Revenue Recognition
Net sales and revenues									415
Construction and Forestry \| U.S.
Revenue Recognition
Net sales and revenues									6,082
Construction and Forestry \| Canada
Revenue Recognition
Net sales and revenues									1,107
Construction and Forestry \| Western Europe
Revenue Recognition
Net sales and revenues									1,586
Construction and Forestry \| Central Europe and CIS
Revenue Recognition
Net sales and revenues									749
Construction and Forestry \| Latin America
Revenue Recognition
Net sales and revenues									719
Construction and Forestry \| Asia, Africa, Australia, New Zealand, and Middle East
Revenue Recognition
Net sales and revenues									1,265
Financial Services
Revenue Recognition
Net sales and revenues									3,621	$ 3,252	$ 2,935
Financial Services \| Revenue recognized at a point in time
Revenue Recognition
Net sales and revenues									111
Financial Services \| Revenue recognized over time
Revenue Recognition
Net sales and revenues									3,510
Financial Services \| Financial Products
Revenue Recognition
Net sales and revenues									3,621
Financial Services \| U.S.
Revenue Recognition
Net sales and revenues									2,482
Financial Services \| Canada
Revenue Recognition
Net sales and revenues									617
Financial Services \| Western Europe
Revenue Recognition
Net sales and revenues									87
Financial Services \| Central Europe and CIS
Revenue Recognition
Net sales and revenues									37
Financial Services \| Latin America
Revenue Recognition
Net sales and revenues									272
Financial Services \| Asia, Africa, Australia, New Zealand, and Middle East
Revenue Recognition
Net sales and revenues									$ 126