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SHORT-TERM DEBT 2020 Senior Notes (Details) - USD ($) $ in Millions		9 Months Ended
	Jul. 13, 2010	Jul. 31, 2019	Oct. 31, 2018
Short-term Debt [Line Items]
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge		$ 0	$ 7
Senior Notes 2020
Short-term Debt [Line Items]
Debt Instrument, Issuance Date	Jul. 13, 2010
Debt Instrument, Face Amount		$ 500
Debt Instrument, Maturity Date		Jul. 15, 2020
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge		$ 4	$ 7

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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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Date the debt instrument was issued, in CCYY-MM-DD format.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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-Publisher FASB
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-Topic 210
-SubTopic 10
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Amount as of the balance sheet date of the unamortized adjustment to the carrying value of an interest-bearing hedged item made under an effective interest rate fair value hedge that is amortized upon discontinuation of the interest rate fair value hedge.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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