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SHARE-BASED COMPENSATION General Disclosures (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Nov. 07, 2023 | Oct. 31, 2023 | Oct. 31, 2022 | Oct. 31, 2021
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) |  | 487,735 | 469,701 | 462,237
Aggregate Value stock issued under Employee Stock Purchase Plan |  | $ 57 | $ 54 | $ 46
Incentive compensation plans [Abstract] |  |  |  |
Common stock available for future awards under the 2018 Stock Plan (in shares) |  | 19,519,780 |  |
Subsequent Event |  |  |  |
Employee stock purchase plan [Abstract] |  |  |  |
Number of shares purchased under ESPP (in shares) | 324,092 |  |  |
Aggregate Value stock issued under Employee Stock Purchase Plan | $ 28 |  |  |
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) |  | 24,277,203 |  |
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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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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