Segment Information - Summary of Operating Results of Reportable Segments (Parenthetical) (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of operating segments [abstract] | ||
| Fair value adjustments on acquired deferred revenue | $ 10 | $ 20 |