SPIRENT RELATED DIVESTITURE (Details) - USD ($) $ in Millions		12 Months Ended
Oct. 16, 2025	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Business Combination [Line Items]
Proceeds from divestiture	$ 399	$ 399	$ 0	$ 0
Net loss from discontinued operations before income taxes		(6)
Discontinued Operation, Tax Effect of Discontinued Operation		(13)
Net loss from discontinued operations, net of income taxes		$ (19)	$ 0	$ 0
acquisition-related compensation related to discorps	$ 5

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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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

+ References + Details

- Definition

Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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+ References + Details