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DERIVATIVE INSTRUMENTS (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Jul. 31, 2014	Jul. 31, 2014 Interest Rate Contracts Cash Flow Hedges Member	Oct. 31, 2013 Interest Rate Contracts Cash Flow Hedges Member	Jul. 31, 2013 Interest Rate Contracts Cash Flow Hedges Member	Jul. 31, 2014 Cross-Currency Interest Rate Contracts Cash Flow Hedges Member	Oct. 31, 2013 Cross-Currency Interest Rate Contracts Cash Flow Hedges Member	Jul. 31, 2013 Cross-Currency Interest Rate Contracts Cash Flow Hedges Member
Cash Flow Hedges
Notional amount of cash flow hedge derivatives		$ 3,650	$ 3,100	$ 3,100	$ 70	$ 816	$ 816
Cash flow hedge loss recorded in OCI to be reclassified within twelve months	(5)
Maximum maturity of cash flow hedge interest rate and cross-currency interest rate contracts	50 months
Gains or losses reclassified from OCI to earnings	$ 0

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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X

- Definition

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

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- Definition

The amount of net gain (loss) reclassified into earnings in the period when cash flow hedge is discontinued because it is probable that the original forecasted transactions will not occur by the end of the original period or an additional two month time period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

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