Financial Instruments and Fair Value Measurements - Summary of marketable securities narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Pre-tax unrealized gain (loss) to be reclassified to earnings over the next twelve months | $ (5) | |
| Amount of marketable securities classified as cash and cash equivalents | $ 820 | $ 2,610 |