SPECIAL ITEMS - Employee-Separation Program (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Feb. 02, 2020	Aug. 02, 2020
OPEB
Employee-Separation Program
Curtailment expense		$ 21
2020 Employee-Separation Program
Employee-Separation Program
Total employee-separation program's expenses, pretax		138
2020 Employee-Separation Program \| OPEB
Employee-Separation Program
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 Program \| Cost of Sales
Employee-Separation Program
Total employee-separation program's expenses, pretax		41
2020 Employee-Separation Program \| Research and Development
Employee-Separation Program
Total employee-separation program's expenses, pretax		19
2020 Employee-Separation Program \| Selling, Administrative and General Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		55
2020 Employee-Separation Program \| Operating Profit
Employee-Separation Program
Total employee-separation program's expenses, pretax		115
2020 Employee-Separation Program \| Other Operating Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		23
2020 Employee-Separation Program \| Production & Precision Ag \| Cost of Sales
Employee-Separation Program
Total employee-separation program's expenses, pretax		21
2020 Employee-Separation Program \| Production & Precision Ag \| Research and Development
Employee-Separation Program
Total employee-separation program's expenses, pretax		8
2020 Employee-Separation Program \| Production & Precision Ag \| Selling, Administrative and General Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		19
2020 Employee-Separation Program \| Production & Precision Ag \| Operating Profit
Employee-Separation Program
Total employee-separation program's expenses, pretax		48
2020 Employee-Separation Program \| Small Ag & Turf \| Cost of Sales
Employee-Separation Program
Total employee-separation program's expenses, pretax		11
2020 Employee-Separation Program \| Small Ag & Turf \| Research and Development
Employee-Separation Program
Total employee-separation program's expenses, pretax		7
2020 Employee-Separation Program \| Small Ag & Turf \| Selling, Administrative and General Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		19
2020 Employee-Separation Program \| Small Ag & Turf \| Operating Profit
Employee-Separation Program
Total employee-separation program's expenses, pretax		37
2020 Employee-Separation Program \| Construction & Forestry \| Cost of Sales
Employee-Separation Program
Total employee-separation program's expenses, pretax		9
2020 Employee-Separation Program \| Construction & Forestry \| Research and Development
Employee-Separation Program
Total employee-separation program's expenses, pretax		4
2020 Employee-Separation Program \| Construction & Forestry \| Selling, Administrative and General Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		14
2020 Employee-Separation Program \| Construction & Forestry \| Operating Profit
Employee-Separation Program
Total employee-separation program's expenses, pretax		27
2020 Employee-Separation Program \| Financial Services Segment \| Selling, Administrative and General Expenses
Employee-Separation Program
Total employee-separation program's expenses, pretax		3
2020 Employee-Separation Program \| Financial Services Segment \| Operating Profit
Employee-Separation Program
Total employee-separation program's expenses, pretax		$ 3