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Property, Plant and Equipment, Net - EEGH (Details) - EEGH - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Plant, net $ 9,897 $ 9,961
Construction work-in-progress 234 239
Property, plant and equipment, net 10,131 10,200
Regulated    
Property, Plant and Equipment [Line Items]    
Plant in service, net 8,834 8,785
Accumulated depreciation and amortization (2,962) (2,901)
Plant, net 5,872 5,884
Construction work-in-progress 200 209
Nonregulated    
Property, Plant and Equipment [Line Items]    
Plant in service, net 4,509 4,500
Accumulated depreciation and amortization (484) (423)
Plant, net 4,025 4,077
Interstate natural gas pipeline assets | Regulated    
Property, Plant and Equipment [Line Items]    
Plant in service, net $ 8,728 8,675
Interstate natural gas pipeline assets | Regulated | Minimum    
Property, Plant and Equipment [Line Items]    
Depreciable life 21 years  
Interstate natural gas pipeline assets | Regulated | Maximum    
Property, Plant and Equipment [Line Items]    
Depreciable life 44 years  
Intangible plant | Regulated    
Property, Plant and Equipment [Line Items]    
Plant in service, net $ 106 110
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 $ 4,484 $ 4,475