EMPLOYEE-SEPARATION PROGRAM (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended	12 Months Ended
	May 03, 2020	Feb. 02, 2020	May 03, 2020	Oct. 31, 2021	Nov. 01, 2020
OPEB
Employee-Separation Program
Curtailment expense			$ (21)
Employee-Separation Program
Employee-Separation Program
Total employee-separation programs' expenses, pretax	$ 9		$ 136
Employee-Separation Program | OPEB | United States
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
Employee-Separation Program | Forecasted
Employee-Separation Program
Total employee-separation programs' expenses, pretax					$ 138
Employee-separation programs savings				$ 85	$ 65
Employee-Separation Program | Agriculture and Turf
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			74.00%
Employee-Separation Program | Construction and Forestry
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			24.00%
Employee-Separation Program | Financial Services
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			2.00%
Employee-Separation Program | Operating Profit
Employee-Separation Program
Total employee-separation programs' expenses, pretax			$ 113
Employee-Separation Program | Cost of Sales
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			36.00%
Employee-Separation Program | Research and Development
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			16.00%
Employee-Separation Program | Selling, Administrative, and General Expenses
Employee-Separation Program
Employee-separation programs' expenses allocation (as a percent)			48.00%