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Related Party Transactions - EEGH - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Nov. 30, 2022
Mar. 31, 2021
Feb. 28, 2021
Dec. 31, 2019
Related Party Transaction [Line Items]              
Credit facilities $ 10,873,000,000 $ 11,281,000,000          
Par value 51,702,000,000            
EEGH              
Related Party Transaction [Line Items]              
Distributions 0 0 $ 4,323,000,000        
Par value 3,918,000,000            
EGTS              
Related Party Transaction [Line Items]              
Par value 1,600,000,000            
Affiliated entity | EEGH              
Related Party Transaction [Line Items]              
Related party revenue 27,000,000 32,000,000 4,000,000        
Interest income, related party     3,000,000        
Affiliated entity | EEGH | Other assets due from affiliates              
Related Party Transaction [Line Items]              
Receivables from affiliates   3,000,000          
Affiliated entity | EEGH | Natural gas imbalance | Other current liabilities              
Related Party Transaction [Line Items]              
Due to affiliate 1,000,000 5,000,000          
Affiliated entity | EGTS              
Related Party Transaction [Line Items]              
Related party revenue 26,000,000 28,000,000 4,000,000        
Affiliated entity | EGTS | Natural gas imbalance              
Related Party Transaction [Line Items]              
Due to affiliate 10,000,000 8,000,000          
Atlantic Coast Pipeline | Affiliated entity | EGTS              
Related Party Transaction [Line Items]              
Related party revenue     46,000,000        
Dominion Energy, Inc. | Affiliated entity | EEGH              
Related Party Transaction [Line Items]              
Notes receivable, related parties             $ 1,800,000,000
Distributions     4,300,000,000        
Dominion Energy, Inc. | Affiliated entity | EEGH | Notes Receivable              
Related Party Transaction [Line Items]              
Interest income, related party     32,000,000        
Dominion Energy, Inc. | Affiliated entity | EEGH | Eastern Energy and DEI Intercompany Revolving Credit Agreement              
Related Party Transaction [Line Items]              
Interest expense, borrowings   3,000,000 3,000,000        
East Ohio | Affiliated entity | EEGH              
Related Party Transaction [Line Items]              
Notes receivable, related parties             $ 1,700,000,000
East Ohio | Affiliated entity | EEGH | Notes Receivable              
Related Party Transaction [Line Items]              
Interest income, related party     33,000,000        
DES | Affiliated entity | CPMLP Holdings Company, LLC              
Related Party Transaction [Line Items]              
Interest expense, borrowings   3,000,000 3,000,000        
BHE | Affiliated entity | EEGH              
Related Party Transaction [Line Items]              
Related party, cash received (paid) income taxes   47,000,000 76,000,000        
BHE | Affiliated entity | EEGH | Tax receivable              
Related Party Transaction [Line Items]              
Receivables from affiliates 16,000,000 8,000,000          
BHE | Affiliated entity | EGTS              
Related Party Transaction [Line Items]              
Related party, cash received (paid) income taxes   10,000,000 $ (7,000,000)        
BHE | Affiliated entity | EGTS | Tax receivable              
Related Party Transaction [Line Items]              
Receivables from affiliates 21,000,000 11,000,000          
EEGH | Affiliated entity | BHE GT&S, LLC | BHE GT&S and Eastern Energy Intercompany Revolving Credit Agreement              
Related Party Transaction [Line Items]              
Line of credit, amount drawn 536,000,000 7,000,000          
Par value       $ 650,000,000 $ 400,000,000 $ 200,000,000  
BHE GT&S, LLC | Affiliated entity | EEGH | Intercompany Revolving Credit Agreement With BHE GT&S              
Related Party Transaction [Line Items]              
Credit facilities 400,000,000            
BHE GT&S, LLC | Affiliated entity | EEGH | Intercompany Revolving Credit Agreement With BHE GT&S | Line of credit              
Related Party Transaction [Line Items]              
Line of credit, amount drawn 0 0          
BHE GT&S, LLC | Affiliated entity | EEGH | BHE GT&S and Eastern Energy Intercompany Revolving Credit Agreement              
Related Party Transaction [Line Items]              
Interest income, related party 7,000,000            
MidAmerican Energy | Affiliated entity | EEGH | Shared benefit plan              
Related Party Transaction [Line Items]              
Due to related parties, noncurrent 51,000,000 95,000,000          
MidAmerican Energy | Affiliated entity | EGTS | Shared benefit plan              
Related Party Transaction [Line Items]              
Due to related parties, noncurrent $ 47,000,000 $ 85,000,000