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SHARE-BASED COMPENSATION General Disclosures (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Employee stock purchase plan [Abstract]
Compensation percentage maximum eligible contribution to purchase shares of common stock	10.00%
Maximum number of shares authorized for issuance under the ESPP (in shares)	31,000,000
Number of shares purchased under ESPP (in shares)	469,701	462,237	628,644
Aggregate Value stock issued under Employee Stock Purchase Plan	$ 54	$ 46	$ 41
Aggregate participants contributions to ESPP	$ 27
Incentive compensation plans [Abstract]
Common stock available for future awards under the 2018 Stock Plan (in shares)	21,496,468
Employee Stock Purchase Plan
Employee stock purchase plan [Abstract]
Percent of market price	85.00%
Incentive compensation plans [Abstract]
Common stock available for future awards under the 2018 Stock Plan (in shares)	24,859,446
Share-based Payment Arrangement, Option
Employee stock purchase plan [Abstract]
Percent of market price	100.00%
Incentive compensation plans [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Percentage which rate options generally vest per year (in hundredths)	25.00%
Number of years from the date of grant generally vest (in years)	4 years
Restricted Stock Units (RSUs)
Incentive compensation plans [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Percentage which rate options generally vest per year (in hundredths)	25.00%
Number of years from the date of grant generally vest (in years)	4 years
Long-Term Performance Plan
Incentive compensation plans [Abstract]
Number of years from the date of grant generally vest (in years)	3 years
Long-Term Performance Plan | Minimum
Incentive compensation plans [Abstract]
Percentage which rate options generally vest per year (in hundredths)	0.00%
Long-Term Performance Plan | Maximum
Incentive compensation plans [Abstract]
Percentage which rate options generally vest per year (in hundredths)	200.00%

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Aggregate participant contributions to employee stock purchase plan for the purchase of shares of the company's common stock not yet issued to participants at the end of the period. Shares are excluded from the available for issuance balance at the end of the period.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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