Receivables - Past Due Age Analysis (Details) - USD ($) $ in Millions	3 Months Ended
	Feb. 02, 2020	Nov. 03, 2019	Jan. 27, 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	$ 406.6	$ 352.8	$ 449.5
Total Non-Performing	331.7	311.9	315.6
Current	30,984.6	32,156.8	29,374.1
Total Receivables	31,722.9	32,821.5	30,139.2
30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	289.8	237.8	315.0
60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	111.6	111.9	129.9
90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	$ 5.2	3.1	4.6
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	$ 19,235.2		17,760.4
Retail notes | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	180.1	185.7	199.6
Total Non-Performing	187.2	168.7	185.9
Current	15,464.8	15,831.5	14,398.8
Total Receivables	15,832.1	16,185.9	14,784.3
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	123.7	120.0	142.7
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	53.4	64.2	56.3
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	3.0	1.5	0.6
Retail notes | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	123.8	100.5	141.1
Total Non-Performing	109.4	112.9	98.6
Current	3,169.9	3,100.8	2,736.4
Total Receivables	3,403.1	3,314.2	2,976.1
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	89.5	73.9	95.8
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	$ 34.3	26.6	45.3
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	$ 2,673.2	3,863.0	2,685.9
Revolving charge accounts | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	65.5	28.3	71.5
Total Non-Performing	5.6	6.1	7.4
Current	2,516.8	3,727.9	2,514.1
Total Receivables	2,587.9	3,762.3	2,593.0
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	51.4	19.1	53.9
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	14.1	9.2	17.6
Revolving charge accounts | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	5.5	4.4	7.7
Total Non-Performing	1.0	0.9	1.4
Current	78.8	95.4	83.8
Total Receivables	85.3	100.7	92.9
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	4.1	3.2	5.6
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	$ 1.4	1.2	2.1
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	$ 9,146.3	8,706.8	8,990.4
Wholesale receivables | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	11.4	6.8	7.6
Total Non-Performing	9.9	6.3	5.1
Current	7,219.4	6,544.6	7,090.8
Total Receivables	7,240.7	6,557.7	7,103.5
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	7.6	4.1	6.4
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	2.3	1.9	0.4
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	1.5	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	4.2	0.7	3.9
Total Non-Performing	1.8	2.9
Current	1,899.6	2,145.5	1,883.0
Total Receivables	1,905.6	2,149.1	1,886.9
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	3.8	0.1	0.7
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	0.1	0.3	0.7
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	$ 0.3	0.3	2.5
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	$ 668.2	751.6	702.5
Financing leases | Agriculture and turf
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	12.4	22.9	12.4
Total Non-Performing	12.4	11.6	14.3
Current	495.1	569.8	528.0
Total Receivables	519.9	604.3	554.7
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	8.2	14.6	7.2
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	3.8	7.8	4.5
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	0.4	0.5	0.7
Financing leases | Construction and forestry
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	3.7	3.5	5.7
Total Non-Performing	4.4	2.5	2.9
Current	140.2	141.3	139.2
Total Receivables	148.3	147.3	147.8
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	1.5	2.8	2.7
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	$ 2.2	$ 0.7	$ 3.0