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Nature of Business and Basis of Presentation - General (Details) customer in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($) customer GW	Sep. 30, 2023 USD ($)
Business Acquisition [Line Items]
Generation capacity (in GW) | GW	13
Proceeds from credit facilities	$ 1,050	$ 3,020
Repayments of credit facilities	$ 1,050	3,020
Error Correction, Other
Business Acquisition [Line Items]
Proceeds from credit facilities		3,000
Repayments of credit facilities		$ 3,000
Residential Customers
Business Acquisition [Line Items]
Customers | customer	8

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Number of customers

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No definition available.

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Power Generation Capacity, Gigawatts

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-14

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The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-15

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