General - EEGH (Details)	3 Months Ended
Mar. 31, 2026 operatingSegment segment mi
Variable Interest Entity [Line Items]
Number of reportable segments \| operatingSegment	8
EEGH
Variable Interest Entity [Line Items]
Number of reportable segments \| segment	1
EEGH \| Iroquois Gas Transmission System, L.P.
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage	50.00%
EEGH \| Primary Beneficiary \| Limited partner \| Cove Point LNG, LP
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage	75.00%
EEGH \| Primary Beneficiary \| General partner \| Cove Point LNG, LP
Variable Interest Entity [Line Items]
Variable interest entity, ownership percentage	100.00%
EEGH \| Primary Beneficiary \| FERC \| Iroquois Gas Transmission System, L.P.
Variable Interest Entity [Line Items]
Miles of interstate natural gas transportation pipeline \| mi	414

Public Utilities, Natural Gas Transportation Pipeline, Miles

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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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.

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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