Income Taxes - NPC - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Amount | ||
| U.S. federal statutory income tax rate | $ 184 | $ 200 |
| Energy-related tax credits | (564) | (560) |
| Effects of ratemaking | (19) | (25) |
| Total | $ (430) | $ (399) |
| Percent | ||
| U.S. federal statutory income tax rate | 21.00% | 21.00% |
| Energy-related tax credits | (64.20%) | (58.80%) |
| Effects of ratemaking | (2.30%) | (2.60%) |
| Effective income tax rate | (49.00%) | (41.80%) |
| NPC | ||
| Amount | ||
| U.S. federal statutory income tax rate | $ 3 | $ (2) |
| Energy-related tax credits | (1) | 0 |
| Effects of ratemaking | 0 | 1 |
| Total | $ 2 | $ (1) |
| Percent | ||
| U.S. federal statutory income tax rate | 21.00% | 21.00% |
| Energy-related tax credits | (5.60%) | 0.00% |
| Effects of ratemaking | 0.00% | (9.90%) |
| Effective income tax rate | 15.40% | 11.10% |
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- Definition Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Amount No definition available.
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- Definition Effective Income Tax Rate Reconciliation, Effects Of Ratemaking, Percent 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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- References No definition available.
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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 reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to energy-related tax credit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Percentage of reported income tax benefit (expense) from difference to income tax expense (benefit) computed by applying statutory federal (national) income tax rate to pretax income (loss) from continuing operation, attributable to energy-related tax credit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- 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/exampleRef
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- References No definition available.
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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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- Details
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