Investments - Equity Securities without Readily Determinable Fair Value (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Investments, Debt and Equity Securities [Abstract] | ||
| Measurement alternative | $ 1,087 | $ 952 |
| Equity method | 244 | 255 |
| Total Nonmarketable securities | $ 1,331 | $ 1,207 |