Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Stock-based expenses | $ 906 | $ 793 | $ 1,763 | $ 1,607 |
| Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold | ||||
| Amortization of intangibles acquired through business combinations | 234 | 150 | 478 | 312 |
| Stock-based expenses | 147 | 126 | 285 | 277 |
| Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense | ||||
| Stock-based expenses | 111 | 94 | 213 | 182 |
| Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense | ||||
| Stock-based expenses | 301 | 280 | 611 | 555 |
| Income Statement Location [Axis]: us-gaap:RestructuringCharges | ||||
| Stock-based expenses | 2 | 0 | 12 | 15 |
| Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense | ||||
| Amortization of intangibles acquired through business combinations | 288 | 230 | 605 | 463 |
| Stock-based expenses | $ 345 | $ 293 | $ 665 | $ 578 |