Derivatives and Hedging - Additional Information (Detail) - USD ($) $ in Millions |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
|
| Derivative [Line Items] | ||
| Notional value | $ 332 | $ 231 |
| Derivative expiration dates | 2026-12 | 2026-03 |
| Derivative maximum risk of loss | $ 17 | $ 17 |
| Foreign Exchange Future [Member] | ||
| Derivative [Line Items] | ||
| Notional value | $ 2,000 | $ 1,700 |
| Derivative expiration dates | 2026-12 | 2026-03 |
| Forward Foreign Currency Exchange Contracts [Member] | ||
| Derivative [Line Items] | ||
| Notional value | $ 3,000 | $ 3,000 |
| Derivative expiration dates | 2026-12 | 2026-03 |