XML 79 R58.htm IDEA: XBRL DOCUMENT v3.7.0.1
Derivatives and Hedge Accounting Activities (Schedule of Offsetting Assets) (Details) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets $ 279 $ 272
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 279 272
Total derivatives, not subject to a master netting or similar arrangement 2 7
Gross Amounts of Recognized Assets, Total 281 279
Derivative Asset 281 [1] 279 [2]
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 66 67
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 213 205
Virginia Electric and Power Company    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 154 153
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 154 153
Total derivatives, not subject to a master netting or similar arrangement 13 41
Gross Amounts of Recognized Assets, Total 167 194
Derivative Asset [2] 167 194
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 0 2
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 154 151
Dominion Energy Gas Holdings, LLC    
Offsetting Assets [Line Items]    
Net Amounts of Assets Presented in the Consolidated Balance Sheet 17  
Total derivatives, not subject to a master netting or similar arrangement 17 0
Derivative Asset 17  
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 5  
Net Amounts 12  
Commodity | Over-the-counter    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 200 211
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 200 211
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 8 14
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 192 197
Commodity | Over-the-counter | Virginia Electric and Power Company    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 154 147
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 154 147
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 0 2
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 154 145
Commodity | Over-the-counter | Dominion Energy Gas Holdings, LLC    
Offsetting Assets [Line Items]    
Net Amounts of Assets Presented in the Consolidated Balance Sheet 2  
Net Amounts 2  
Commodity | Exchange    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 50 44
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 50 44
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 42 44
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 8 0
Interest rate | Over-the-counter    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 14 17
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 14 17
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 11 9
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 3 8
Interest rate | Over-the-counter | Virginia Electric and Power Company    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 0 6
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 0 6
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 0 0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 0 6
Foreign currency | Over-the-counter    
Offsetting Assets [Line Items]    
Gross Amounts of Recognized Assets 15 0
Gross Amounts Offset in the Consolidated Balance Sheet 0 0
Net Amounts of Assets Presented in the Consolidated Balance Sheet 15 0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 5 0
Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received 0 0
Net Amounts 10 $ 0
Foreign currency | Over-the-counter | Dominion Energy Gas Holdings, LLC    
Offsetting Assets [Line Items]    
Net Amounts of Assets Presented in the Consolidated Balance Sheet 15  
Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments 5  
Net Amounts $ 10  
[1] Noncurrent derivative assets are presented in other deferred charges and other assets in Dominion Energy’s Consolidated Balance Sheets.
[2] Noncurrent derivative assets are presented in other deferred charges and other assets in Virginia Power's Consolidated Balance Sheets.