Receivables (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Apr. 30, 2015	Oct. 31, 2014	Apr. 30, 2014
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
Total Past Due	$ 348.3	$ 266.2	$ 285.1
Total Non-Performing	78.0	71.2	70.8
Current	29,708.1	30,168.5	30,001.7
Total Receivables	30,134.4	30,505.9	30,357.6
30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	183.4	166.6	169.1
60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	87.5	60.6	57.1
90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	77.4	39.0	58.9
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	18,452.3		18,382.3
Retail notes | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	186.3	139.8	130.4
Total Non-Performing	42.6	41.8	40.0
Current	15,856.3	17,023.9	16,249.7
Total Receivables	16,085.2	17,205.5	16,420.1
Retail notes | Agriculture and turf equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	95.9	85.0	80.1
Retail notes | Agriculture and turf equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	48.2	30.8	26.2
Retail notes | Agriculture and turf equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	42.2	24.0	24.1
Retail notes | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	88.1	76.2	86.0
Total Non-Performing	16.4	14.3	13.6
Current	2,262.6	2,165.3	1,862.6
Total Receivables	2,367.1	2,255.8	1,962.2
Retail notes | Construction and forestry equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	52.4	53.6	56.5
Retail notes | Construction and forestry equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	23.7	15.6	18.2
Retail notes | Construction and forestry equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	12.0	7.0	11.3
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	2,290.7		2,158.4
Revolving charge accounts | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	40.0	15.9	34.1
Total Non-Performing	1.2	1.1	2.2
Current	2,175.8	2,437.0	2,048.6
Total Receivables	2,217.0	2,454.0	2,084.9
Revolving charge accounts | Agriculture and turf equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	12.4	11.3	11.4
Revolving charge accounts | Agriculture and turf equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	8.6	3.7	6.6
Revolving charge accounts | Agriculture and turf equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	19.0	0.9	16.1
Revolving charge accounts | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	4.0	3.9	5.4
Total Non-Performing		0.1
Current	69.7	77.9	68.1
Total Receivables	73.7	81.9	73.5
Revolving charge accounts | Construction and forestry equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.9	2.4	3.6
Revolving charge accounts | Construction and forestry equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	0.7	1.2	1.3
Revolving charge accounts | Construction and forestry equipment | 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	0.3	0.5
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	8,856.2		9,258.6
Wholesale receivables | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	6.5	12.0	9.5
Total Non-Performing	0.4	1.1	0.2
Current	7,558.2	6,961.0	8,248.5
Total Receivables	7,565.1	6,974.1	8,258.2
Wholesale receivables | Agriculture and turf equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.9	4.1	3.2
Wholesale receivables | Agriculture and turf equipment | 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	3.4	0.9
Wholesale receivables | Agriculture and turf equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.0	4.5	5.4
Wholesale receivables | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.9	1.7	2.1
Current	1,288.2	943.3	998.3
Total Receivables	1,291.1	945.0	1,000.4
Wholesale receivables | Construction and forestry equipment | 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	0.2	1.7
Wholesale receivables | Construction and forestry equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.4	1.5	0.4
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
Total Past Due	17.2	13.2	12.5
Total Non-Performing	13.1	11.5	13.0
Current	333.4	396.0	365.7
Total Receivables	363.7	420.7	391.2
Financing leases | Agriculture and turf equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	14.0	7.5	8.6
Financing leases | Agriculture and turf equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	2.9	5.1	3.1
Financing leases | Agriculture and turf equipment | 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	0.6	0.8
Financing leases | Construction and forestry equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	3.3	3.5	5.1
Total Non-Performing	4.3	1.3	1.8
Current	163.9	164.1	150.3
Total Receivables	171.5	168.9	157.2
Financing leases | Construction and forestry equipment | 30-59 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.4	2.5	4.0
Financing leases | Construction and forestry equipment | 60-89 Days Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	1.8	0.8	0.8
Financing leases | Construction and forestry equipment | 90 Days or Greater Past Due
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Total Past Due	0.1	0.2	0.3
Operating loans | Agriculture and turf equipment
Age Analysis of Past Due Receivables That Are Still Accruing Interest and Non-Performing Receivables
Current			9.9
Total Receivables			$ 9.9