SPECIAL ITEMS - Employee-Separation Programs (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Feb. 02, 2020	May 03, 2020
OPEB
Employee-Separation Programs
Curtailment expense		$ 21
2020 Employee-Separation Programs
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		136
2020 Employee-Separation Programs \| OPEB
Employee-Separation Programs
Curtailment expense	$ 21
Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Curtailment Gain (Loss), Statement of Income or Comprehensive Income [Extensible List]	Other Cost of Operating Revenue
2020 Employee-Separation Programs \| Cost of Sales
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		41
2020 Employee-Separation Programs \| Research and Development
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		18
2020 Employee-Separation Programs \| Selling, Administrative and General Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		54
2020 Employee-Separation Programs \| Operating Profit
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		113
2020 Employee-Separation Programs \| Other Operating Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		23
2020 Employee-Separation Programs \| Production & Precision Ag \| Cost of Sales
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		21
2020 Employee-Separation Programs \| Production & Precision Ag \| Research and Development
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		7
2020 Employee-Separation Programs \| Production & Precision Ag \| Selling, Administrative and General Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		18
2020 Employee-Separation Programs \| Production & Precision Ag \| Operating Profit
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		46
2020 Employee-Separation Programs \| Small Ag & Turf \| Cost of Sales
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		11
2020 Employee-Separation Programs \| Small Ag & Turf \| Research and Development
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		7
2020 Employee-Separation Programs \| Small Ag & Turf \| Selling, Administrative and General Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		19
2020 Employee-Separation Programs \| Small Ag & Turf \| Operating Profit
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		37
2020 Employee-Separation Programs \| Construction & Forestry \| Cost of Sales
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		9
2020 Employee-Separation Programs \| Construction & Forestry \| Research and Development
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		4
2020 Employee-Separation Programs \| Construction & Forestry \| Selling, Administrative and General Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		14
2020 Employee-Separation Programs \| Construction & Forestry \| Operating Profit
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		27
2020 Employee-Separation Programs \| Financial Services \| Selling, Administrative and General Expenses
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		3
2020 Employee-Separation Programs \| Financial Services \| Operating Profit
Employee-Separation Programs
Total employee-separation programs' expenses, pretax		$ 3