v3.25.2
Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Income Tax Disclosure [Abstract]        
Income (loss) before income taxes $ 97 $ 570 $ (90) $ 958
Income tax benefit (expense) $ (25) $ (112) $ 27 $ (181)
Effective tax rate 25.80% 19.60% 30.00% 18.90%
Federal income tax statutory tax rate 21.00% 21.00% 21.00% 21.00%
Income tax benefit (expense) computed at the federal income tax statutory tax rate $ (20) $ (120) $ 19 $ (201)
Income tax increase (decrease) due to:        
NDT taxes (12) (4) (10) (15)
State income taxes, net of federal benefit (2) (17) 3 (29)
Other permanent differences 9 6 15 12
Change in valuation allowance 0 14 0 34
Nuclear PTC 0 9 0 18
Income tax benefit (expense) $ (25) $ (112) $ 27 $ (181)