Receivables - Past Due Age Analysis (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	May 03, 2020	May 03, 2020	Nov. 03, 2019	Apr. 28, 2019
Receivable, Past Due
Minimum number of days for a receivable to be considered past due		30 days
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 464.6	$ 464.6	$ 352.8	$ 369.0
Total Non-Performing	390.0	390.0	311.9	381.7
Current	32,086.7	32,086.7	32,156.8	31,936.9
Total Receivables	$ 32,941.3	$ 32,941.3	32,821.5	32,687.6
COVID
Receivable, Past Due
Percentage of retail receivables granted relief	4.00%	4.00%
30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 314.2	$ 314.2	237.8	243.2
60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	143.5	143.5	111.9	124.2
90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	6.9	$ 6.9	3.1	1.6
Retail notes
Receivable, Past Due
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 Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Receivables	$ 19,538.6	$ 19,538.6		18,015.0
Retail notes | COVID | Maximum
Receivable, Past Due
Retail customer payment deferral period	3 months
Retail notes | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 229.1	229.1	185.7	184.2
Total Non-Performing	204.4	204.4	168.7	197.7
Current	15,692.0	15,692.0	15,831.5	14,621.5
Total Receivables	16,125.5	16,125.5	16,185.9	15,003.4
Retail notes | Agriculture and turf | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	151.2	151.2	120.0	116.7
Retail notes | Agriculture and turf | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	75.3	75.3	64.2	66.8
Retail notes | Agriculture and turf | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.6	2.6	1.5	0.7
Retail notes | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	142.0	142.0	100.5	126.5
Total Non-Performing	121.0	121.0	112.9	110.7
Current	3,150.1	3,150.1	3,100.8	2,774.4
Total Receivables	3,413.1	3,413.1	3,314.2	3,011.6
Retail notes | Construction and forestry | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	97.7	97.7	73.9	86.7
Retail notes | Construction and forestry | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	44.3	$ 44.3	26.6	39.8
Revolving charge accounts
Receivable, Past Due
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 Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Receivables	$ 3,388.7	$ 3,388.7	3,863.0	3,235.9
Revolving charge accounts | COVID | Maximum
Receivable, Past Due
Retail customer payment deferral period	3 months
Revolving charge accounts | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 42.6	42.6	28.3	35.4
Total Non-Performing	41.4	41.4	6.1	47.1
Current	3,215.9	3,215.9	3,727.9	3,059.2
Total Receivables	3,299.9	3,299.9	3,762.3	3,141.7
Revolving charge accounts | Agriculture and turf | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	30.7	30.7	19.1	23.6
Revolving charge accounts | Agriculture and turf | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	11.9	11.9	9.2	11.8
Revolving charge accounts | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	5.2	5.2	4.4	5.0
Total Non-Performing	1.1	1.1	0.9	1.0
Current	82.5	82.5	95.4	88.2
Total Receivables	88.8	88.8	100.7	94.2
Revolving charge accounts | Construction and forestry | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	4.0	4.0	3.2	3.7
Revolving charge accounts | Construction and forestry | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.2	$ 1.2	1.2	1.3
Wholesale receivables
Receivable, Past Due
Generally the number of days for a financing receivable to be considered non-performing		60 days
Generally the number of days before a receivable is delinquent and the estimated uncollectible amount is written off		60 days
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Receivables	$ 9,343.4	$ 9,343.4	8,706.8	10,809.7
Wholesale receivables | COVID
Receivable, Past Due
Percentage of wholesale notes granted relief	5.00%	5.00%
Wholesale receivables | COVID | Maximum
Receivable, Past Due
Wholesale notes payment deferral period	3 months
Wholesale receivables | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 11.6	$ 11.6	6.8	8.0
Total Non-Performing	3.4	3.4	6.3	6.2
Current	7,557.5	7,557.5	6,544.6	8,606.6
Total Receivables	7,572.5	7,572.5	6,557.7	8,620.8
Wholesale receivables | Agriculture and turf | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	8.1	8.1	4.1	5.1
Wholesale receivables | Agriculture and turf | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	0.9	0.9	1.9	2.1
Wholesale receivables | Agriculture and turf | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.6	2.6	0.8	0.8
Wholesale receivables | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	4.1	4.1	0.7	0.4
Total Non-Performing	2.0	2.0	2.9	4.5
Current	1,764.8	1,764.8	2,145.5	2,184.0
Total Receivables	1,770.9	1,770.9	2,149.1	2,188.9
Wholesale receivables | Construction and forestry | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.5	1.5	0.1	0.4
Wholesale receivables | Construction and forestry | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.6	1.6	0.3
Wholesale receivables | Construction and forestry | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.0	$ 1.0	0.3
Financing leases
Receivable, Past Due
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 Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Receivables	$ 670.6	$ 670.6	751.6	627.0
Financing leases | COVID | Maximum
Receivable, Past Due
Retail customer payment deferral period	3 months
Financing leases | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 26.5	26.5	22.9	6.2
Total Non-Performing	12.1	12.1	11.6	11.6
Current	487.5	487.5	569.8	462.9
Total Receivables	526.1	526.1	604.3	480.7
Financing leases | Agriculture and turf | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	19.0	19.0	14.6	4.4
Financing leases | Agriculture and turf | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	6.8	6.8	7.8	1.7
Financing leases | Agriculture and turf | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	0.7	0.7	0.5	0.1
Financing leases | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	3.5	3.5	3.5	3.3
Total Non-Performing	4.6	4.6	2.5	2.9
Current	136.4	136.4	141.3	140.1
Total Receivables	144.5	144.5	147.3	146.3
Financing leases | Construction and forestry | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.0	2.0	2.8	2.6
Financing leases | Construction and forestry | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 1.5	$ 1.5	$ 0.7	$ 0.7