FINANCING RECEIVABLES (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2015	Apr. 30, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Oct. 31, 2013
FINANCING RECEIVABLES
Minimum number of days for a financing receivable to be considered past due	30 days
Generally the 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 Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	$ 362		$ 288	$ 322
Total Non-Performing	152		141	226
Current	29,354		31,770	30,976
Total Financing Receivables	29,868		32,199	31,524
Less allowance for credit losses	157	$ 163	175	180	$ 171	$ 173
Total financing receivables - net	29,711		32,024	31,344
30-59 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	203		182	197
60-89 Days Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	80		65	73
90 Days or Greater Past Due
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	79		41	52
Retail Notes
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Financing Receivables	21,329			22,090
Less allowance for credit losses	94	$ 99	109	106	$ 105	$ 101
Retail Notes | Agriculture and Turf
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	206		155	167
Total Non-Performing	112		107	117
Current	18,354		19,966	19,458
Total Financing Receivables	18,672		20,228	19,742
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	108		93	99
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	44		34	38
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	54		28	30
Retail Notes | Construction and Forestry
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	99		77	93
Total Non-Performing	20		17	18
Current	2,538		2,462	2,237
Total Financing Receivables	2,657		2,556	2,348
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	65		54	61
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	20		16	20
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	14		7	12
Other Financing Receivables | Agriculture and Turf
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	39		37	40
Total Non-Performing	12		15	85
Current	7,453		8,208	8,169
Total Financing Receivables	7,504		8,260	8,294
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	20		23	22
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	12		12	10
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	7		2	8
Other Financing Receivables | Construction and Forestry
Age Analysis of Past Due Financing Receivables Still Accruing Interest and Non-Performing Financing Receivables
Total Past Due	18		19	22
Total Non-Performing	8		2	6
Current	1,009		1,134	1,112
Total Financing Receivables	1,035		1,155	1,140
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	10		12	15
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	4		3	5
Other Financing Receivables | 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	$ 4		$ 4	$ 2