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v3.23.1

Taxes on Earnings (Details) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2023 USD ($) country | Apr. 30, 2022 USD ($) | Apr. 30, 2023 USD ($) country | Apr. 30, 2022 USD ($)
Income Tax Disclosure [Abstract] |  |  |  |
Effective tax rate (percent) | (77.10%) | 19.30% | (30.90%) | 18.70%
Income tax reconciliation other discrete items tax charges (credits) | $ (636) | $ 8 | $ (692) | $ 35
Tax effects of internal reorganization | 691 |  | 697 |
Tax benefits related to restructuring charges | 36 | 20 | 66 | 31
Effective income tax rate reconciliation, business combination, amount | 13 |  | 27 |
Effective income tax rate reconciliation, other tax benefits, amount |  |  | 11 |
Tax charges related to filing of tax returns in various jurisdictions | 34 |  | 36 | 18
Effective income tax rate reconciliation, uncertain tax position charges, amount | 8 |  | 15 |
Tax charges related to foreign withholding taxes |  | 17 |  | 56
Tax benefits related other tax charges |  | 7 |  | 8
Tax benefits related to share-based payment arrangement |  |  |  | 36
Unrecognized tax benefits | 1,100 |  | 1,100 |
Unrecognized tax benefits | 853 |  | 853 |
Unrecognized tax benefits change |  |  | 95 |
Penalties and interest accrued | 86 | $ 81 | $ 86 | $ 81
Likelihood of no resolution period |  |  | 12 months |
Reasonably possible decrease in existing unrecognized tax benefits within the next 12 months | $ 67 |  | $ 67 |
Other countries with income tax jurisdiction | country | 60 |  | 60 |
Tax benefits related to audit settlements | $ 62 |  | $ 58 |

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