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Income Taxes - Reconciliation of United States Federal Statutory Tax Rate to Effective Tax Rate on Income Before Provision for Income Taxes (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income Tax Disclosure [Abstract] |  |  |
U.S. statutory tax rate | 21.00% | 21.00% | 21.00%
State and local taxes, net of federal tax benefit | 3.70% | 2.50% | 0.80%
Foreign operations | (0.30%) | 0.40% | (0.20%)
Release of UTP reserves | (0.40%) | (5.70%) | 0.00%
Other | (0.30%) | (1.30%) | 0.30%
ETR | 23.70% | 16.90% | 21.90%
Income tax paid | $ 613 | $ 344 | $ 488

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