Equity-Based Compensation - Equity-based Compensation Expense (Details) - Employee Stock Purchase Plan - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Equity-Based Compensation | ||
| Equity-based compensation expense | $ 17 | $ 19 |
| Cost of revenue (excluding depreciation and amortization) | ||
| Equity-Based Compensation | ||
| Equity-based compensation expense | 1 | 1 |
| Sales and marketing | ||
| Equity-Based Compensation | ||
| Equity-based compensation expense | 4 | 5 |
| Technology and content | ||
| Equity-Based Compensation | ||
| Equity-based compensation expense | 5 | 5 |
| General and administrative | ||
| Equity-Based Compensation | ||
| Equity-based compensation expense | $ 7 | $ 8 |