Income Taxes - Tax Effects of Temporary Differences and Carryforwards (Details) - USD ($) $ in Millions |
Dec. 31, 2023 |
Dec. 31, 2022 |
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Income Tax Disclosure [Abstract] | ||
Plant basis differences | $ (3,130) | $ (3,005) |
Accrual-based contracts | (32) | (35) |
Derivatives and other financial instruments | 984 | 43 |
Deferred pension and postretirement obligation | 287 | |
Deferred pension and postretirement obligation | (314) | |
Nuclear decommissioning activities | (640) | (371) |
Tax loss carryforward, net of valuation allowances | 47 | 67 |
Tax credit carryforward | 0 | 179 |
Investment in partnerships | (193) | (205) |
Other, net | 460 | 407 |
Deferred income tax liabilities (net) | 2,818 | 2,633 |
Unamortized ITCs | (339) | (354) |
Total deferred income tax liabilities (net) and unamortized ITCs | $ 3,157 | $ 2,987 |
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- Definition The sum of the cumulative amount of all deferred tax liabilities, which result from applying the applicable tax rate to net taxable temporary differences pertaining to each jurisdiction to which the entity is obligated to pay income tax, and the noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. No definition available.
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- Definition Deferred Tax Assets, Deferred Pension And Other Postretirement Benefit Obligation No definition available.
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to the deferred pension and other postretirement benefit obligation. No definition available.
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- Definition Deferred Tax Liabilities, Nuclear Decommissioning Activities No definition available.
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- Definition The noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from equity method investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates. No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible general business tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from long-lived assets other than property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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