Deferred Revenue and Performance Obligations (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||
| Revenue from remaining performance obligations | $ 4,719 | |
| Subscription | ||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||
| Revenue recognized that was included in the contract liability balance | 696 | $ 627 |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-05-01 | ||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||
| Revenue from remaining performance obligations | $ 2,499 | |
| Remaining performance obligation, percentage | 53.00% | |
| Performance obligations expected to be satisfied, expected timing | 12 months | |