SPECIAL ITEMS - Impact of Events in Russia and Ukraine (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended		60 Months Ended
	Jul. 31, 2022	Aug. 01, 2021	Jul. 31, 2022	Aug. 01, 2021	Oct. 31, 2021
Special Items
Allowance for credit losses	$ 16	$ 3	$ 59	$ (26)
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities
Special Items
Fixed asset impairment			$ 41
Location of fixed asset impairment			Cost of sales
Intangible asset impairment			$ 28
Location of intangible asset impairment			Cost of sales
Total Russia/Ukraine events pretax expense			$ 127
Net tax impact			(8)
Total Russia/Ukraine events after-tax expense			119
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Cost of Sales
Special Items
Inventory reserve			12
Voluntary-separation program			1
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Selling, Administrative and General Expenses
Special Items
Allowance for credit losses			32
Voluntary-separation program			8
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Other Operating Expenses
Special Items
Contingent liabilities			5
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Production & Precision Ag (PPA)
Special Items
Fixed asset impairment			$ 30
Location of fixed asset impairment			Cost of sales
Total Russia/Ukraine events pretax expense			$ 45
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Production & Precision Ag (PPA) | Cost of Sales
Special Items
Inventory reserve			8
Voluntary-separation program			1
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Production & Precision Ag (PPA) | Selling, Administrative and General Expenses
Special Items
Voluntary-separation program			3
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Production & Precision Ag (PPA) | Other Operating Expenses
Special Items
Contingent liabilities			3
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Small Ag & Turf (SAT)
Special Items
Total Russia/Ukraine events pretax expense			1
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Small Ag & Turf (SAT) | Other Operating Expenses
Special Items
Contingent liabilities			1
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Construction & Forestry (CF)
Special Items
Fixed asset impairment			$ 11
Location of fixed asset impairment			Cost of sales
Intangible asset impairment			$ 28
Location of intangible asset impairment			Cost of sales
Total Russia/Ukraine events pretax expense			$ 48
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Construction & Forestry (CF) | Cost of Sales
Special Items
Inventory reserve			4
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Construction & Forestry (CF) | Selling, Administrative and General Expenses
Special Items
Voluntary-separation program			4
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Construction & Forestry (CF) | Other Operating Expenses
Special Items
Contingent liabilities			1
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Financial Services (FS)
Special Items
Total Russia/Ukraine events pretax expense			33
Reserves, Impairments, Voluntary-Separation Costs, and Contingent Liabilities | Financial Services (FS) | Selling, Administrative and General Expenses
Special Items
Allowance for credit losses			32
Voluntary-separation program			1
Russia / Ukraine
Special Items
Net exposure	$ 436		$ 436
Russia
Special Items
Net sales and revenues (as a percent)					2.00%