Financial Instruments - Schedule of Information About Changes in Liabilities for Contingent Consideration (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Fair value, beginning balance | $ 193 | $ 354 |
| Changes in estimated fair value | (52) | (10) |
| Payments | (141) | (151) |
| Fair value, ending balance | 0 | 193 |
| Zerbaxa | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Changes in estimated fair value | (45) | |
| Payments | $ (25) | |
| Lyfnua | ||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||
| Payments | $ (25) | |