Fair Value Measurements - Narrative Fair Value (Details) - USD ($) $ in Millions |
Jun. 30, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Debt, long-term and short-term, combined amount | $ 15,605 | $ 15,681 |
| Fair Value | ||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | ||
| Long-term debt, fair value | $ 14,100 | $ 14,700 |