Balance Sheet Details - Schedule of Severance Liability (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
Apr. 30, 2026 |
Apr. 30, 2025 |
Oct. 31, 2025 |
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| Restructuring Reserve | |||||
| Balance at beginning of period | $ 238 | $ 49 | $ 49 | ||
| Severance costs | $ 37 | $ 164 | 82 | $ 241 | 418 |
| Cash paid and other | (173) | (229) | |||
| Balance at end of period | $ 147 | $ 147 | $ 238 | ||
| X | ||||||||||
- Definition Cash outflows for payments of postemployment benefits (such as severance pay and health insurance benefits) recognized during the period. Postemployment benefits are benefits paid to employees after employment but before retirement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The carrying amount as of the balance sheet date of the obligations recognized for the various benefits provided to former or inactive employees, their beneficiaries, and covered dependents after employment but before retirement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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