FINANCING RECEIVABLES - Past Due Age Analysis (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	May 03, 2020	May 03, 2020	Feb. 02, 2020	Nov. 03, 2019	Apr. 28, 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	$ 622	$ 622		$ 416	$ 416
Total Non-Performing	593	593		449	494
Current	30,921	30,921		32,863	29,956
Total Financing Receivables	32,136	32,136		33,728	30,866
Less allowance for credit losses	195	195	$ 157	150	182	$ 177	$ 178
Total financing receivables - net	$ 31,941	$ 31,941		33,578	30,684
COVID
Financing Receivable, Past Due
Financing receivables granted relief (as a percent)	3.00%	3.00%
COVID | Maximum
Financing Receivable, Past Due
Payment deferral period	3 months
30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	$ 425	$ 425		282	281
60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	176	176		128	133
90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	21	21		6	2
Retail Notes
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Financing Receivables	22,619	22,619			21,525
Less allowance for credit losses	119	119	$ 88	89	115	$ 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	284	284		212	213
Total Non-Performing	291	291		268	293
Current	18,308	18,308		18,931	17,644
Total Financing Receivables	18,883	18,883		19,411	18,150
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	188	188		138	139
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	94	94		73	73
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	2	2		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	183	183		112	131
Total Non-Performing	144	144		127	124
Current	3,409	3,409		3,450	3,120
Total Financing Receivables	3,736	3,736		3,689	3,375
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	116	116		79	90
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	49	49		29	40
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	18	18		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	82	82		59	49
Total Non-Performing	123	123		28	67
Current	7,856	7,856		8,986	7,861
Total Financing Receivables	8,061	8,061		9,073	7,977
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	59	59		39	33
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	22	22		19	16
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	73	73		33	23
Total Non-Performing	35	35		26	10
Current	1,348	1,348		1,496	1,331
Total Financing Receivables	1,456	1,456		1,555	1,364
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	62	62		26	19
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	$ 11		$ 7	$ 4