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Income Taxes (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Income Taxes |  |
Effective tax rate of income (loss) before income taxes | 18.60% | 23.60%
Excess tax benefits associated with equity-based compensation | $ 21 | $ 7
Equity in net losses of unconsolidated entities | 19 | 11
Alternative fuel tax credits | 37 | 2
Low income housing investments [Member] |  |
Income Taxes |  |
Equity in net losses of unconsolidated entities | 20 | 13
Income tax benefit from low-income housing investments | 28 | 22
Interest expense | $ 6 | $ 4

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