Supplementary Financial Information - Value of Remaining Performance Obligations (Narrative) (Details) $ in Billions |
Oct. 31, 2025
USD ($)
|
|---|---|
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Remaining performance obligations | $ 4.3 |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-11-01 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Remaining performance obligations | $ 1.9 |
| Remaining performance obligations, period | 12 months |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-11-01 | |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | |
| Remaining performance obligations | $ 2.4 |
| Remaining performance obligations, period |