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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Components of the provision for income taxes    
Federal $ (5) $ (21)
State (5) (2)
Deferred portion of income tax (expense) benefit 85 (26)
Income tax (expense) benefit $ 75 $ (50)
Effective tax rate 18.30% 21.40%