Retirement and Post-Retirement Benefit Plans - Schedule of Defined Benefit Plans with Projected Benefit Obligations Exceeding Fair Value of Plan Assets (Details) - Defined Benefit Plans - USD ($) $ in Millions |
Oct. 31, 2025 |
Oct. 31, 2024 |
|---|---|---|
| U.S. | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Aggregate fair value of plan assets | $ 0 | $ 0 |
| Aggregate projected benefit obligation | 270 | 277 |
| Non-U.S. | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Aggregate fair value of plan assets | 976 | 894 |
| Aggregate projected benefit obligation | $ 1,267 | $ 1,207 |