Allowance for Credit Losses and Credit Quality of Receivables (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Allowance for Credit Losses and Credit Quality of Receivables
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
30-59 Days Past Due	$ 166.6	$ 145.9
60-89 Days Past Due	60.6	52.7
90 Days or Greater Past Due	39.0	34.6
Total Past Due	266.2	233.2
Total Non-Performing	71.2	60.0
Current	30,168.5	28,540.1
Total Receivables	30,505.9	28,833.3	25,204.3
Retail notes
Receivable, Past Due
Generally the approximate number of days before a receivable is considered to be non-performing, accrual of finance income is suspended 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	19,461.3	18,246.5	15,728.8
Retail notes | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	85.0	67.8
60-89 Days Past Due	30.8	23.3
90 Days or Greater Past Due	24.0	17.1
Total Past Due	139.8	108.2
Total Non-Performing	41.8	34.1
Current	17,023.9	16,359.3
Total Receivables	17,205.5	16,501.6
Retail notes | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	53.6	38.4
60-89 Days Past Due	15.6	14.4
90 Days or Greater Past Due	7.0	8.6
Total Past Due	76.2	61.4
Total Non-Performing	14.3	11.4
Current	2,165.3	1,672.1
Total Receivables	2,255.8	1,744.9
Revolving charge accounts
Receivable, Past Due
Generally the approximate number of days before a receivable is considered to be non-performing, accrual of finance income is suspended 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	2,535.9	2,534.9	2,427.7
Revolving charge accounts | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	11.3	14.6
60-89 Days Past Due	3.7	4.5
90 Days or Greater Past Due	0.9	2.2
Total Past Due	15.9	21.3
Total Non-Performing	1.1	0.9
Current	2,437.0	2,438.0
Total Receivables	2,454.0	2,460.2
Revolving charge accounts | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	2.4	2.3
60-89 Days Past Due	1.2	1.0
90 Days or Greater Past Due	0.3	0.5
Total Past Due	3.9	3.8
Total Non-Performing	0.1
Current	77.9	70.9
Total Receivables	81.9	74.7
Wholesale receivables
Receivable, Past Due
Generally the approximate number of days before a receivable is considered to be non-performing, accrual of finance income is suspended 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	7,919.1	7,464.7	6,483.1
Wholesale receivables | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	4.1	10.0
60-89 Days Past Due	3.4	4.9
90 Days or Greater Past Due	4.5	3.0
Total Past Due	12.0	17.9
Total Non-Performing	1.1	0.3
Current	6,961.0	6,541.1
Total Receivables	6,974.1	6,559.3
Wholesale receivables | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	0.2	0.3
60-89 Days Past Due		0.1
90 Days or Greater Past Due	1.5	0.9
Total Past Due	1.7	1.3
Current	943.3	904.1
Total Receivables	945.0	905.4
Financing leases
Receivable, Past Due
Generally the approximate number of days before a receivable is considered to be non-performing, accrual of finance income is suspended and the estimated uncollectible amount is written off	120 days
Financing leases | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	7.5	10.2
60-89 Days Past Due	5.1	4.0
90 Days or Greater Past Due	0.6	2.3
Total Past Due	13.2	16.5
Total Non-Performing	11.5	11.0
Current	396.0	379.0
Total Receivables	420.7	406.5
Financing leases | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due	2.5	2.2
60-89 Days Past Due	0.8	0.5
90 Days or Greater Past Due	0.2
Total Past Due	3.5	2.7
Total Non-Performing	1.3	2.0
Current	164.1	144.1
Total Receivables	168.9	148.8
Operating loans | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
30-59 Days Past Due		0.1
Total Past Due		0.1
Total Non-Performing		0.3
Current		31.5
Total Receivables		$ 31.9