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Fair Value Measurements (Details) - Interest Rate Swap $ in Millions |  | 6 Months Ended |
--- | --- | --- | ---
Apr. 06, 2020 USD ($) interest_rate_swap_contract | Apr. 30, 2022 USD ($) interest_rate_swap_contract | Oct. 31, 2021 USD ($)
Derivative [Line Items] |  |  |
Number of interest rate swap contracts held | 6 | 6 |
Derivative notional amount | $ | $ 1,500 | $ 1,000 | $ 1,000
Derivative, term of contract (or less) | 7 years | 5 years |
Number of interest rate swap contracts matured |  | 3 |

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