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Government Assistance (Details) - Nuclear PTCs $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Sep. 30, 2024 USD ($)
Government Assistance [Line Items] |  |
Estimate | $ 670 | $ 1,380
Consideration from sale | 1,000 |
Cash proceeds received | 670 |
Estimated nuclear PTCs credits used | 140 |
Estimated refunds recognized | 720 | 720
Government assistance, operating income, increase (decrease) | (115) | 10
Deferred Costs and Other Assets |  |
Government Assistance [Line Items] |  |
Estimated nuclear PTC receivable | 240 | 240
Other Current Assets |  |
Government Assistance [Line Items] |  |
Estimated nuclear PTC receivable | $ 290 | $ 290

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