Financial Instruments - Narrative (Details) - USD ($) $ in Millions |
Mar. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Non-marketable equity securities | $ 6,167 | $ 6,201 |
| Significant Unobservable Inputs (Level 3) | ||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis | ||
| Non-marketable equity securities | $ 119 |