DERIVATIVE INSTRUMENTS (Details 5) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2013	Oct. 31, 2012	Oct. 31, 2011
Classification and gains (losses) including accrued interest expense related to derivative instruments
Not designated as hedges, gains (losses)	$ 49	$ (18)	$ (179)
Interest Rate Contracts | OCI
Classification and gains (losses) including accrued interest expense related to derivative instruments
Cash flow hedges, recognized in OCI, effective portion, gains (losses)	(15)	(28)	(5)
Interest Rate Contracts | Interest Expense
Classification and gains (losses) including accrued interest expense related to derivative instruments
Fair value hedges, gains (losses)	(89)	335	188
Not designated as hedges, gains (losses)	(6)	(13)	(1)
Interest Rate Contracts | Interest Expense | Cash Flow Hedges
Classification and gains (losses) including accrued interest expense related to derivative instruments
Cash flow hedges, reclassified from OCI, effective portion, gains (losses)	(22)	(16)	(20)
Foreign Exchange Contracts | OCI
Classification and gains (losses) including accrued interest expense related to derivative instruments
Cash flow hedges, recognized in OCI, effective portion, gains (losses)	58	(33)	36
Foreign Exchange Contracts | Cost of Sales
Classification and gains (losses) including accrued interest expense related to derivative instruments
Not designated as hedges, gains (losses)	35	(12)	(51)
Foreign Exchange Contracts | Other Expense
Classification and gains (losses) including accrued interest expense related to derivative instruments
Not designated as hedges, gains (losses)	20	7	(127)
Foreign Exchange Contracts | Other Expense | Cash Flow Hedges
Classification and gains (losses) including accrued interest expense related to derivative instruments
Cash flow hedges, reclassified from OCI, effective portion, gains (losses)	$ 49	$ (38)	$ 19