Deferred Revenue and Performance Obligations (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Revenue from remaining performance obligations | $ 4,858 | $ 4,858 | ||
| Subscription | ||||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Revenue recognized that was included in the contract liability balance | 722 | $ 651 | 1,265 | $ 1,144 |
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-08-01 | ||||
| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] | ||||
| Revenue from remaining performance obligations | $ 2,585 | $ 2,585 | ||
| Remaining performance obligation, percentage | 53.00% | 53.00% | ||
| Performance obligations expected to be satisfied, expected timing | 12 months | 12 months | ||