Fair Value Measurements - Narrative (Details) - USD ($) $ in Millions |
Dec. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Non-marketable equity securities, carrying value | $ 6,201 | $ 6,775 |
| Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Non-marketable equity securities, carrying value | $ 913 |