Stock-Based Compensation (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement [Abstract] | ||||
| Stock-based compensation expense | $ 92 | $ 86 | $ 146 | $ 131 |
| Unrecognized compensation expense | $ 356 | $ 356 | ||
| Term of amortization of unrecognized compensation cost over weighted-average remaining requisite service periods (in years) | 1 year 10 months 24 days | |||