Financial Instruments - Schedule of Adjusted to Equity and Other Investments without Readily Determinable Fair Values (Details) - Equity Securities Without Readily Determinable Fair Value - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Equity Securities Adjustments [Roll Forward] | ||
| Balance, beginning of the year | $ 717 | $ 505 |
| Purchases of equity and other investments | 99 | 137 |
| Gross unrealized gains | 171 | 89 |
| Gross unrealized losses and impairments | (38) | (14) |
| Sale of equity and other investments | (33) | 0 |
| Transfers from measurement alternative | 47 | 0 |
| Balance, end of the year | 963 | 717 |
| Transfers from measurement alternative | (47) | 0 |
| Accrued interest | 2 | |
| Private Investment | ||
| Equity Securities Adjustments [Roll Forward] | ||
| Transfers from measurement alternative | (45) | |
| Transfers from measurement alternative | 45 | |
| Private Investment | ||
| Equity Securities Adjustments [Roll Forward] | ||
| Gross unrealized gains | $ 163 | $ 78 |