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LONG-TERM DEBT LONG-TERM DEBT - Other (Details) $ in Millions				12 Months Ended
	Oct. 20, 2014 USD ($)	Aug. 09, 2011 USD ($)	Nov. 25, 2008 USD ($) contracts	Oct. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)	Sep. 15, 2016 USD ($)	Feb. 01, 2016 USD ($)	Oct. 24, 2007 USD ($)
Debt Instrument [Line Items]
Interest Rate Swap				$ 16	$ 21			$ 300
Notional Amount Of Terminated Interest Rate Fair Value Hedge Derivatives							$ 10
Repayments of senior debt				0	0	$ 1,000
Accelerated amortization of interest rate swap gain				0	0	$ 22
Senior Notes 2017 [Member]
Debt Instrument [Line Items]
Interest Rate Swap				1	2
Amortization of Debt Issuance Costs					2
Notional Amount Of Terminated Interest Rate Fair Value Hedge Derivatives			$ 400
Terminated Interest Rate Fair Value Hedge Asset Unamortized Amount				1
Repayments of senior debt	$ 500
Accelerated amortization of interest rate swap gain	14
Debt Instrument, Face Amount	$ 600			100					$ 600
Debt Instrument, Repurchase Amount					580
Gain (Loss) on Extinguishment of Debt					(80)
Interest Paid					$ 15
Senior Notes 2017 [Member]
Debt Instrument [Line Items]
Interest Rate Derivatives Terminated Date			November 25, 2008
Number Of Interest Rate Derivatives Terminated | contracts			2
Notional Amount Of Terminated Interest Rate Fair Value Hedge Derivatives			$ 400
Terminated Interest Rate Fair Value Hedge Derivative Assets At Fair Value			$ 43
Terminated Interest Rate Fair Value Hedge Asset Unamortized Amount				1
Senior Notes 2020 [Member]
Debt Instrument [Line Items]
Interest Rate Derivatives Terminated Date		August 9, 2011
Notional Amount Of Terminated Interest Rate Fair Value Hedge Derivatives		$ 500
Terminated Interest Rate Fair Value Hedge Derivative Assets At Fair Value		$ 34
Terminated Interest Rate Fair Value Hedge Asset Unamortized Amount				15
Cash Flow Hedges | Treasury Lock [Member] | Senior Notes 2026 [Member]
Debt Instrument [Line Items]
Remaining gain loss to be amortized on derivative				$ 9

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