FINANCING RECEIVABLES (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011
Allowance:
Beginning of period balance	$ 192	$ 221	$ 197	$ 225
Provision (credit)	(7)	3	(1)	15
Write-offs	(14)	(17)	(34)	(61)
Recoveries	9	9	25	31
Translation adjustments	(5)	1	(12)	7
End of period balance	175	217	175	217
Balance individually evaluated		3		3
Financing receivables:
End of period balance	24,024	22,135	24,024	22,135	23,026
Balance individually evaluated	19	28	19	28
Retail Notes
Allowance:
Beginning of period balance	126	143	130	144
Provision (credit)	(13)	(3)	(12)	5
Write-offs	(3)	(4)	(6)	(24)
Recoveries	3	2	7	9
Translation adjustments	(5)	1	(11)	5
End of period balance	108	139	108	139
Balance individually evaluated		1		1
Financing receivables:
End of period balance	16,865	15,447	16,865	15,447
Balance individually evaluated	18	17	18	17
Revolving Charge Accounts
Allowance:
Beginning of period balance	41	44	40	44
Provision (credit)	6	3	9	8
Write-offs	(11)	(11)	(25)	(31)
Recoveries	5	6	17	21
End of period balance	41	42	41	42
Financing receivables:
End of period balance	2,561	2,532	2,561	2,532
Other Financing Receivables
Allowance:
Beginning of period balance	25	34	27	37
Provision (credit)		3	2	2
Write-offs		(2)	(3)	(6)
Recoveries	1	1	1	1
Translation adjustments			(1)	2
End of period balance	26	36	26	36
Balance individually evaluated		2		2
Financing receivables:
End of period balance	4,598	4,156	4,598	4,156
Balance individually evaluated	$ 1	$ 11	$ 1	$ 11