Share-Based Compensation - Summary of Share Based Compensation Expense (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure Of Share Based Compensation Expense [Line Items] | ||||
| Share-based compensation expense | $ 37 | $ 29 | $ 70 | $ 57 |