FINANCING RECEIVABLES (Details 3) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended
Apr. 30, 2015 item	Apr. 30, 2014 item	Oct. 31, 2014
Analysis of Impaired Financing Receivables
Recorded investment, with specific allowance	$ 3	$ 10	$ 9
Recorded investment, without specific allowance	12	6	6
Recorded Investment	15	16	15
Unpaid principal balance, with specific allowance	3	10	9
Unpaid principal balance, without specific allowance	11	6	6
Unpaid Principal Balance	14	16	15
Specific allowance, with allowance	2	2	2
Specific Allowance	2	2	2
Average recorded investment, with specific allowance	6	11	10
Average recorded investment, without specific allowance	12	7	7
Average Recorded Investment	18	18	17
Financing Receivables Related to Troubled Debt Restructurings
Financing receivable contracts in troubled debt restructuring, number	50	20
Financing receivables in troubled debt restructurings, aggregate balances, pre-modification	1.5	1.0
Financing receivables in troubled debt restructurings, aggregate balances, post-modification	1.1	0.8
Number of troubled debt restructurings that subsequently defaulted	0	0
Commitments to lend additional funds to borrowers whose accounts were modified in troubled debt restructurings	0
Agriculture and Turf
Analysis of Impaired Financing Receivables
Recorded Investment	9	14	12
Unpaid Principal Balance	8	14	12
Specific Allowance	2	2	2
Average Recorded Investment	12	16	13
Construction and Forestry
Analysis of Impaired Financing Receivables
Recorded Investment	6	2	3
Unpaid Principal Balance	6	2	3
Average Recorded Investment	$ 6	$ 2	$ 4

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Number of financing receivables that have been modified by troubled debt restructurings.

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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