Investments and Restricted Cash and Cash Equivalents and Investments - EEGH - Narrative (Details) - EEGH - USD ($) $ in Millions |
3 Months Ended | ||
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Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Investments And Restricted Cash And Investments [Line Items] | |||
| Investment exceeded share of equity in net assets | $ 130 | $ 130 | |
| Distributions received from investments | $ 9 | $ 15 | |
| Iroquois Gas Transmission System, L.P. | |||
| Investments And Restricted Cash And Investments [Line Items] | |||
| Equity method investment, ownership percentage | 50.00% | ||
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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. No definition available.
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- Definition Difference between amount at which an investment accounted for under the equity method of accounting is carried (reported) on the balance sheet and amount of underlying equity in net assets the reporting Entity has in the investee. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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