Income Taxes - Significant Components of Deferred Income Tax Assets (Details) - USD ($) $ in Thousands |
Jan. 31, 2026 |
Jan. 31, 2025 |
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| Deferred tax assets: | ||
| Net operating loss carryforwards | $ 13,433 | $ 7,362 |
| Research and development credit carryforwards | 5,083 | 6,586 |
| Stock-based compensation | 29,866 | 59,565 |
| Accruals and reserves | 42,279 | 43,953 |
| Deferred revenue | 343,910 | 328,114 |
| Capitalized research expenditures | 635,974 | 514,667 |
| Operating lease liabilities | 13,885 | 16,551 |
| Other assets | 10,135 | 2,957 |
| Total deferred tax assets | 1,094,565 | 979,755 |
| Valuation allowance | (11,026) | (28,990) |
| Total deferred tax assets net of valuation allowance | 1,083,539 | 950,765 |
| Deferred tax liabilities: | ||
| Property and equipment and intangible assets | (34,466) | (38,343) |
| Deferred contract acquisition costs | (79,421) | (76,439) |
| Operating right-of-use assets | (12,099) | (14,233) |
| Strategic investments | (313,698) | (75,290) |
| Total deferred tax liabilities | (439,684) | (204,305) |
| Net deferred tax assets | $ 643,855 | $ 746,460 |
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- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Deferred Tax Asset, Contract With Customer Liability No definition available.
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- Definition Deferred Tax Assets, Lease Liabilities No definition available.
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- Definition Deferred Tax Liabilities, Contract With Customer Liabilities No definition available.
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- Definition Deferred Tax Liabilities, Right Of Use Assets No definition available.
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