Income Taxes - Narrative (Details) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|---|
| Valuation Allowance [Line Items] | |||
| Indirect tax effects excluded | $ 180 | ||
| Valuation allowance | 240 | $ 259 | $ 306 |
| Unrecognized tax benefits that would impact effective tax rate | 1,300 | $ 1,300 | $ 1,300 |
| Domestic federal | |||
| Valuation Allowance [Line Items] | |||
| Unrecognized tax benefits, net operating loss | 1,800 | ||
| Operating loss carryforwards | 167 | ||
| Domestic federal | Research Tax Credit Carryforward | |||
| Valuation Allowance [Line Items] | |||
| Federal and state tax credits | 648 | ||
| State | |||
| Valuation Allowance [Line Items] | |||
| Unrecognized tax benefits, net operating loss | 1,400 | ||
| Operating loss carryforwards | 682 | ||
| Foreign Tax Authority | |||
| Valuation Allowance [Line Items] | |||
| Unrecognized tax benefits, net operating loss | 8 | ||
| Operating loss carryforwards | 8 | ||
| Federal and State Tax Authorities | Research Tax Credit Carryforward | |||
| Valuation Allowance [Line Items] | |||
| Unrecognized tax benefits, net operating loss | $ 1,700 |