Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) Including Reclassification Adjustments by Income Statement, Additional Information (Detail) $ in Millions |
Mar. 31, 2026
USD ($)
|
|---|---|
| Equity [Abstract] | |
| Net unrealized losses on forecasted transactions, expected to reclassify into income within the next 12 months | $ 1 |