FINANCING RECEIVABLES - Past Due Age Analysis (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 02, 2020	Nov. 03, 2019	Jan. 27, 2019	Oct. 28, 2018
Financing Receivable, Past Due
Minimum number of days for a financing receivable to be considered past due	30 days
Generally the number of days for a financing receivable to be considered non-performing	90 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off	120 days
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	$ 497	$ 416	$ 489
Total Non-Performing	542	449	441
Current	30,890	32,863	28,960
Total Financing Receivables	31,929	33,728	29,890
Less allowance for credit losses	157	150	177	$ 178
Total financing receivables - net	31,772	33,578	29,713
30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	341	282	345
60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	133	128	141
90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	23	6	3
Retail Notes
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Financing Receivables	22,785		21,279
Less allowance for credit losses	88	89	111	$ 113
Retail Notes | Agriculture and Turf
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	218	212	226
Total Non-Performing	283	268	296
Current	18,514	18,931	17,408
Total Financing Receivables	19,015	19,411	17,930
Retail Notes | Agriculture and Turf | 30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	150	138	162
Retail Notes | Agriculture and Turf | 60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	65	73	63
Retail Notes | Agriculture and Turf | 90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	3	1	1
Retail Notes | Construction and Forestry
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	151	112	150
Total Non-Performing	131	127	107
Current	3,488	3,450	3,092
Total Financing Receivables	3,770	3,689	3,349
Retail Notes | Construction and Forestry | 30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	96	79	102
Retail Notes | Construction and Forestry | 60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	36	29	47
Retail Notes | Construction and Forestry | 90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	19	4	1
Other Financing Receivables | Agriculture and Turf
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	88	59	89
Total Non-Performing	100	28	28
Current	7,457	8,986	7,213
Total Financing Receivables	7,645	9,073	7,330
Other Financing Receivables | Agriculture and Turf | 30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	66	39	65
Other Financing Receivables | Agriculture and Turf | 60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	21	19	23
Other Financing Receivables | Agriculture and Turf | 90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	1	1	1
Other Financing Receivables | Construction and Forestry
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	40	33	24
Total Non-Performing	28	26	10
Current	1,431	1,496	1,247
Total Financing Receivables	1,499	1,555	1,281
Other Financing Receivables | Construction and Forestry | 30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	29	26	16
Other Financing Receivables | Construction and Forestry | 60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	$ 11	$ 7	$ 8