RECEIVABLES - Financing Receivable Installments (Details) - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Unrestricted
Financing receivable installments, due in months:
Financing receivables, Due in months: 0 - 12	$ 12,835	$ 13,006
Financing receivables, Due in months: 13 - 24	4,760	4,987
Financing receivables, Due in months: 25 - 36	3,386	3,719
Financing receivables, Due in months: 37 - 48	2,219	2,444
Financing receivables, Due in months: 49 - 60	1,181	1,283
Financing receivables, Due in months: Thereafter (greater than 60 months)	404	348
Financing receivables - gross	24,785	25,787
Securitized
Financing receivable installments, due in months:
Financing receivables, Due in months: 0 - 12	2,269	2,057
Financing receivables, Due in months: 13 - 24	1,536	1,418
Financing receivables, Due in months: 25 - 36	931	921
Financing receivables, Due in months: 37 - 48	408	426
Financing receivables, Due in months: 49 - 60	84	95
Financing receivables, Due in months: Thereafter (greater than 60 months)	7	5
Financing receivables - gross	$ 5,235	$ 4,922