Income Taxes - Schedule of Significant Components of Deferred Tax Assets for Federal and State Income Taxes (Details) - USD ($) $ in Millions |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Deferred tax assets: | ||
| Federal and state net operating loss carryforwards | $ 5 | $ 1 |
| Research and development credits carryforwards | 42 | 26 |
| Stock-based compensation | 27 | 21 |
| Depreciation and amortization | 3 | 3 |
| Deferred revenue | 45 | 66 |
| Lease liability | 24 | 26 |
| Capitalized research and development costs | 178 | 109 |
| Other | 6 | 1 |
| Total deferred tax assets | 330 | 253 |
| Deferred tax liabilities: | ||
| Right-of-use assets | (14) | (20) |
| Total deferred tax liabilities | (14) | (20) |
| Less valuation allowance | (316) | (233) |
| Net deferred tax assets (liabilities) | $ 0 | $ 0 |
| X | ||||||||||
- Definition Deferred tax assets capitalized research and development costs. No definition available.
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| X | ||||||||||
- Definition Deferred tax assets depreciation and amortization. No definition available.
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| X | ||||||||||
- Definition Deferred tax assets leasing arrangements. No definition available.
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| X | ||||||||||
- Definition Deferred tax liabilities, right-of-use assets. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. 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 and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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