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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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 832
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483507/832-10-50-3

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