Income Taxes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Income Tax Disclosure [Abstract] | ||||
| Income (loss) before income taxes | $ 195 | $ 304 | $ 147 | $ 214 |
| Income tax benefit (expense) | $ (57) | $ (97) | $ (38) | $ (70) |
| Effective income tax rate | 29.20% | 31.90% | 25.90% | 32.70% |
| Income tax benefit (expense) computed at the federal income tax statutory tax rate of 21% | $ (41) | $ (64) | $ (31) | $ (45) |
| Additional tax benefit (expense) due to: | ||||
| Permanent differences | (8) | (13) | 34 | 2 |
| NDT taxes | (3) | (13) | (20) | (23) |
| Change in state rate | 0 | 0 | (17) | 0 |
| State income taxes, net of federal benefit | $ (5) | $ (7) | $ (4) | $ (4) |
| Federal income tax at statutory tax rate | 21.00% | 21.00% | 21.00% | 21.00% |
| Tax Jurisdiction of Domicile [Extensible Enumeration] | UNITED STATES | UNITED STATES | UNITED STATES | UNITED STATES |
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- Definition Effective Income Tax Rate Reconciliation, Nuclear Decommissioning Trust, Amount No definition available.
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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other nondeductible expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates tax jurisdiction of domicile. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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