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STOCKHOLDERS' EQUITY - Stock Repurchase Program (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024	May 29, 2024	Jan. 09, 2023
2023 Repurchase Program
Share repurchase program
Share repurchase program authorized amount						$ 2,000
Shares repurchased and retired during period, (Shares)	1,347,000	1,594,000	1,997,000	1,594,000
Shares repurchased and retired during period, (Value)	$ 165	$ 230	$ 255	$ 230
Remaining authorized repurchase amount under share repurchase program	119		119
Share Repurchase Program, Excise Tax	$ 2	$ 1	$ 2	$ 1
2024 Repurchase Program
Share repurchase program
Share repurchase program authorized amount					$ 2,000

X

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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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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- Definition

Amount of excise tax on share purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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-Section 45
-Paragraph 1
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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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