XML 43 R112.htm IDEA: XBRL DOCUMENT v3.20.1
Related-Party Transactions (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Virginia Electric and Power Company      
Related Party Transaction [Line Items]      
Commodity purchases from affiliates $ 211 $ 272  
Services provided by affiliates [1] 121 119  
Virginia Electric and Power Company | Affiliated Entity      
Related Party Transaction [Line Items]      
Services provided to related parties 5 6  
Dominion Energy Gas Holdings, LLC      
Related Party Transaction [Line Items]      
Commodity purchases from affiliates 64 67  
Services provided by affiliates [2] 43 45  
Services provided to related parties [3] 32 $ 45  
Other receivables [4] 8   $ 7
Other deferred charges and other assets 11   12
Dominion Energy Gas Holdings, LLC | Affiliated Entity      
Related Party Transaction [Line Items]      
Services provided to related parties 3    
Imbalances receivable from affiliates     8
Imbalances payable to affiliates [5] $ 2   $ 1
[1] Includes capitalized expenditures of $34 million and $33 million for the three months ended March 31, 2020 and 2019, respectively.
[2] Includes capitalized expenditures of $3 million and $6 million for the three months ended March 31, 2020 and 2019, respectively. 
[3] Amounts primarily attributable to Atlantic Coast Pipeline, a related-party VIE.
[4] Represents amounts due from Atlantic Coast Pipeline, a related-party VIE.
[5] Amounts are presented in other current liabilities in Dominion Energy Gas’ Consolidated Balance Sheets.