FINANCING RECEIVABLES - Allowance for Credit Losses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015
Allowance:
Beginning of period balance	$ 165	$ 163	$ 157	$ 175
Provision (credit)	34	19	66	33
Write-offs	(39)	(27)	(81)	(53)
Recoveries	9	7	23	20
Translation adjustments	2	(5)	6	(18)
End of period balance	171	157	171	157
Financing receivables:
End of period balance	28,713	29,868	28,713	29,868	$ 29,801
Balance individually evaluated	108	31	108	31
Retail Notes
Allowance:
Beginning of period balance	102	99	95	109
Provision (credit)	11	4	28	9
Write-offs	(10)	(8)	(29)	(17)
Recoveries	3	3	8	7
Translation adjustments	2	(4)	6	(14)
End of period balance	108	94	108	94
Financing receivables:
End of period balance	20,465	21,329	20,465	21,329
Balance individually evaluated	90	19	90	19
Revolving Charge Accounts
Allowance:
Beginning of period balance	40	41	40	41
Provision (credit)	22	14	35	22
Write-offs	(27)	(18)	(49)	(34)
Recoveries	6	4	15	12
End of period balance	41	41	41	41
Financing receivables:
End of period balance	2,997	2,680	2,997	2,680
Balance individually evaluated	2	3	2	3
Other Financing Receivables
Allowance:
Beginning of period balance	23	23	22	25
Provision (credit)	1	1	3	2
Write-offs	(2)	(1)	(3)	(2)
Recoveries				1
Translation adjustments		(1)		(4)
End of period balance	22	22	22	22
Financing receivables:
End of period balance	5,251	5,859	5,251	5,859
Balance individually evaluated	$ 16	$ 9	$ 16	$ 9