Fair Value Measurements - Carrying Value of our Non-Marketable Equity Securities (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Initial cost basis | $ 515 | $ 460 |
| Upward adjustments | 24 | 24 |
| Downward adjustments (including impairment) | (415) | (415) |
| Total carrying value at the end of reporting period | $ 124 | $ 69 |
| X | ||||||||||
- Definition Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Including Impairment Loss, Cumulative Amount No definition available.
|
| X | ||||||||||
- Definition Equity Securities without Readily Determinable Fair Value, Initial Cost Basis, Cumulative Amount No definition available.
|
| X | ||||||||||
- Definition Amount of investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|