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DERIVATIVE INSTRUMENTS (Details 3) - Not Designated as Hedging Instruments - USD ($) $ in Millions | Jul. 31, 2015 | Oct. 31, 2014 | Jul. 31, 2014
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Interest Rate Contracts |  |  |
Derivatives Not Designated as Hedging Instruments |  |  |
Notional amounts | $ 5,912 | $ 6,317 | $ 6,303
Interest Rate Contracts | Purchased |  |  |
Derivatives Not Designated as Hedging Instruments |  |  |
Notional amounts | 1,190 | 1,703 | 1,858
Interest Rate Contracts | Sold |  |  |
Derivatives Not Designated as Hedging Instruments |  |  |
Notional amounts | 1,190 | 1,703 | 1,858
Foreign Exchange Contracts |  |  |
Derivatives Not Designated as Hedging Instruments |  |  |
Notional amounts | 3,040 | 3,524 | 3,578
Cross-Currency Interest Rate Contracts |  |  |
Derivatives Not Designated as Hedging Instruments |  |  |
Notional amounts | $ 80 | $ 98 | $ 78

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- 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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