Property, Plant and Equipment, Net - EEGH (Details) - EEGH - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Plant, net	$ 9,902	$ 9,934
Construction work-in-progress	293	210
Property, plant and equipment, net	10,195	10,144
Regulated
Property, Plant and Equipment [Line Items]
Plant in service, net	8,666	8,497
Accumulated depreciation and amortization	(2,859)	(2,759)
Plant, net	5,807	5,738
Construction work-in-progress	266	196
Nonregulated
Property, Plant and Equipment [Line Items]
Plant in service, net	4,491	4,479
Accumulated depreciation and amortization	(396)	(283)
Plant, net	4,095	4,196
Interstate natural gas pipeline assets \| Regulated
Property, Plant and Equipment [Line Items]
Plant in service, net	$ 8,555	8,382
Interstate natural gas pipeline assets \| Regulated \| Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	24 years
Interstate natural gas pipeline assets \| Regulated \| Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	43 years
Intangible plant \| Regulated
Property, Plant and Equipment [Line Items]
Plant in service, net	$ 111	115
Intangible plant \| Regulated \| Minimum
Property, Plant and Equipment [Line Items]
Depreciable life	5 years
Intangible plant \| Regulated \| Maximum
Property, Plant and Equipment [Line Items]
Depreciable life	10 years
Intangible plant \| Nonregulated
Property, Plant and Equipment [Line Items]
Depreciable life	14 years
Plant in service, net	$ 25	25
LNG facility \| Nonregulated
Property, Plant and Equipment [Line Items]
Depreciable life	40 years
Plant in service, net	$ 4,466	$ 4,454

Public Utilities, Property, Plant and Equipment, Net, Excluding Construction Work In Progress

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- Definition

Public Utilities, Property, Plant and Equipment, Plant in Service, Excluding Construction Work In Progress

+ References

No definition available.

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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

No definition available.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Period end book value of accumulated depreciation on property, plant and equipment (PPE) that is owned by the regulated operations of the public utility.

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- Definition

Period end amount of construction work in progress in public utility.

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- Definition

Period end amount of total net PPE.

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No definition available.

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