Investments and Fair Value Measurement - Fair Value of Unobservable Inputs (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| MLU B.V. Call Option | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | $ 2 | $ 193 |
| Change in fair value | ||
| Included in earnings | (2) | (191) |
| Ending balance | 0 | 2 |
| Non-marketable equity securities | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | 3 | 32 |
| Change in fair value | ||
| Included in earnings | (3) | (29) |
| Ending balance | 0 | 3 |
| Notes Receivable | ||
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Beginning balance | 110 | 132 |
| Change in fair value | ||
| Included in earnings | 16 | (22) |
| Ending balance | $ 126 | $ 110 |