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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |  |
Taxes calculated at federal rate | $ 68 | $ 345 | $ 194
State taxes, net of federal benefit | (5) | 48 | 22
Change in liability for tax positions | (1) | 0 | 0
Foreign income taxed at different rates | 2 | 1 | 5
Unremitted foreign earnings | 0 | 1 | (2)
Other items, net | (3) | (2) | 4
Income tax | $ 61 | $ 393 | $ 223
Federal income tax rates | 21.00% | 21.00% | 21.00%
State taxes, net of federal benefit | (1.50%) | 2.90% | 2.40%
Change in liability for tax positions | (0.30%) | 0.00% | 0.00%
Foreign income taxed at different rates | 0.60% | 0.10% | 0.60%
Unremitted foreign earnings | 0.00% | 0.10% | (0.20%)
Other items, net | (1.10%) | (0.20%) | 0.30%
Income tax | 18.70% | 23.90% | 24.10%

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