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SHARE-BASED COMPENSATION Non-vested award activity disclosure (Details) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Oct. 31, 2019 USD ($) yr $ / shares shares	Oct. 31, 2018 USD ($) shares	Oct. 31, 2017 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Non-vested beginning (in shares) | shares	3,181
Granted (in shares) | shares	1,309
Vested (in shares) | shares	(1,530)
Forfeited (in shares) | shares	(78)
Change in LTPP shares vested in the year due to performance conditions | shares	291
Non-vested ending (in shares) | shares	3,173	3,181
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Non-vested at October 31, 2018 -Weighted Average Grant Price (in dollars per share) | $ / shares	$ 57
Granted - Weighted Average Grant Price (in dollars per share) | $ / shares	68
Vested- Weighted Average Grant Price (in dollars per share) | $ / shares	45
Foreited- Weighted Average Grant Price (in dollars per share) | $ / shares	60
Change in LTPP shares vested in the year due to performance conditions Fair Value | $ / shares	0
Non-vested at October 31, 2019 -Weighted Average Grant Price (in dollars per share) | $ / shares	$ 60
Unrecognized share-based compensation costs for non-vested restricted stock awards, net of expected forfeitures | $	$ 94
Weighted-average period non-vested restricted stock awards are expected to be amortized over (in years) | yr	2.2
Total fair value of restricted stock awards vested | $	$ 69	$ 58	$ 42

X

- Definition

The weighted average period over which unrecognized share-based compensation costs on equity other than stock options are expected to be reported

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The weighted average fair value of incremental issuance associated with FY2007 LTPP nonvested awards on share-based plans excluding option plans (for example, phantom stock plan, stock appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee.

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The issuance in the number of non-vested shares under a share-based award plan made during the period on other than stock option plans (for example, phantom stock plan, stock appreciation rights plan, performance target plan).

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Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Period End

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Sharebased Compensation Arrangement By Sharebased Payment Award Equity Instruments Other Than Options Nonvested Additional Disclosures [Abstract]

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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