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SEGMENT AND GEOGRAPHIC AREA DATA - Segment Net Sales and Revenues (Details)
$ in Millions
 12 Months Ended
Oct. 31, 2021
USD ($)
item
Nov. 01, 2020
USD ($)
Nov. 03, 2019
USD ($)
Operating Segments      
Number of major business segments | item 4    
Net Sales and Revenues      
Net sales and revenues $ 44,024 $ 35,540 $ 39,258
Net Sales      
Net Sales and Revenues      
Net sales and revenues 39,737 31,272 34,886
Other Revenues      
Net Sales and Revenues      
Other revenues 739 679 751
Production & Precision Ag (PPA)      
Net Sales and Revenues      
Intersegment sales and revenues 27 22 31
Net sales and revenues 16,817 13,275 13,685
Production & Precision Ag (PPA) | Net Sales      
Net Sales and Revenues      
Net sales 16,509 12,962 13,364
Small Ag & Turf (SAT)      
Net Sales and Revenues      
Intersegment sales and revenues 11 2 3
Net sales and revenues 12,046 9,495 10,444
Small Ag & Turf (SAT) | Net Sales      
Net Sales and Revenues      
Net sales 11,860 9,363 10,302
Construction & Forestry (CF)      
Net Sales and Revenues      
Intersegment sales and revenues 0 1 1
Net sales and revenues 11,613 9,181 11,508
Construction & Forestry (CF) | Net Sales      
Net Sales and Revenues      
Net sales 11,368 8,947 11,220
Financial Services (FS)      
Net Sales and Revenues      
Intersegment sales and revenues 246 278 348
Financial revenues $ 3,548 $ 3,589 $ 3,621