Income Taxes - Schedule of Deferred Tax Assets and Liabilities By Report Caption (Detail) - USD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Deferred Tax Assets Liabilities Net [Line Items] | ||
| Long-term assets—deferred income taxes | $ 2,191 | $ 1,799 |
| Long-term liabilities—deferred income taxes | (296) | (483) |
| Deferred tax assets liabilities net | $ 1,895 | $ 1,316 |