INCOME TAXES (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Reconciliation of the Total Amounts of Unrecognized Tax Benefits
Beginning of year balance	$ 199	$ 218	$ 260
Increases to tax positions taken during the current year	46	23	36
Increases to tax positions taken during prior years	54	13	83
Decreases to tax positions taken during prior years	(14)	(42)	(133)
Decreases due to lapse of statute of limitations	(9)	(13)	(2)
Settlements		(1)	(19)
Foreign exchange	(11)	1	(7)
End of year balance	265	199	218
Unrecognized tax benefits affecting effective tax rate if recognized	65
Total amount of expense from interest and penalties	6	3	3
Interest income on income tax examination	1	3	5
Accrued interest and penalties on income tax	39	39
Interest income receivable on income tax examination	$ 1	$ 7