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Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
U.S. Federal net operating loss carryforwards | $ 1,477 | $ 1,762
State net operating loss carryforwards | 341 | 367
Foreign net operating loss carryforwards | 106 | 110
Deferred revenues | 335 | 347
Difference between book and tax basis of property | 322 | 353
Federal and state tax credit carryforwards | 269 | 317
Deferred compensation, accrued vacation and other reserves | 174 | 141
Interest disallowance carryforward per §163(j) of the Tax Act | 77 | 132
Pension and other postretirement benefits | 46 | 48
Allowance for credit losses | 37 | 35
Equity compensation | 30 | 24
Federal benefit on state uncertain tax positions | 13 | 13
Inventory obsolescence | 13 | 11
U.S. capital loss | 1 | 1
Other | 46 | 33
Total deferred tax assets | 3,287 | 3,694
Deferred tax liabilities: |  |
Intangibles amortization (excluding goodwill) | 486 | 726
Derivatives | 193 | 156
Capitalized contract costs | 249 | 131
Equity method investments | 88 | 93
Goodwill | 56 | 40
Debt discount amortization | 0 | 26
Emissions allowances | 16 | 18
Total deferred tax liabilities | 1,088 | 1,190
Total deferred tax assets less deferred tax liabilities | 2,199 | 2,504
Valuation allowance | (144) | (275)
Net deferred tax asset | 2,055 | 2,229
NRG's net deferred tax position |  |
Deferred tax asset | 2,067 | 2,251
Deferred tax liability | (12) | (22)
Net deferred tax asset | $ 2,055 | $ 2,229

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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax reductions attributable to the difference between the tax basis and the generally accepted accounting principles basis of a federal benefit on state unrecognized tax benefits which will decrease future taxable income when such basis difference reverses. + References No definition available. + Details
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from deferred compensation, accrued vacation and other reserves, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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- Definition The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from pension and other post retirement costs, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. + References No definition available. + Details
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