XML 79 R53.htm IDEA: XBRL DOCUMENT
v3.8.0.1

RELATED-PARTYTRANSACTIONS (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Virginia Electric and Power Company |
Schedule of Related Party Transactions | Presented below are significant transactions with DES and other affiliates:
Year Ended December 31, |  | 2017 |  |  | 2016 |  |  | 2015 |
(millions) |  |  |  |  |  |  |  |  |
Commodity purchases from affiliates |  | $ | 674 |  |  | $ | 571 |  |  | $ | 555 |
Services provided by affiliates(1) |  |  | 453 |  |  |  | 454 |  |  |  | 422 |
Services provided to affiliates |  |  | 25 |  |  |  | 22 |  |  |  | 22 |
(1) | Includes capitalized expenditures of $144 million, $144 million and $143 million for the year ended December 31, 2017, 2016 and 2015, respectively.
Dominion Energy Gas Holdings, LLC |
Schedule of Related Party Transactions | Management believes the assumptions and methodologies underlying the allocation of general corporate overhead expenses are reasonable. The costs of these services follow:
Year Ended December 31, |  | 2017 |  |  | 2016 |  |  | 2015 |
(millions) |  |  |  |  |  |  |  |  |
Purchases of natural gas and transportation and storage services from affiliates |  | $ | 5 |  |  | $ | 9 |  |  | $ | 10 |
Sales of natural gas and transportation and storage services to affiliates |  |  | 70 |  |  |  | 69 |  |  |  | 69 |
Services provided by related parties(1) |  |  | 143 |  |  |  | 141 |  |  |  | 133 |
Services provided to related parties(2) |  |  | 156 |  |  |  | 128 |  |  |  | 101 |
(1) | Includes capitalized expenditures of $45 million, $49 million and $57 million for the year ended December 31, 2017, 2016 and 2015, respectively.
(2) | Amounts primarily attributable to Atlantic Coast Pipeline.
The following table presents affiliated and related party balances reflected in Dominion Energy Gas’ Consolidated Balance Sheets:
At December 31, |  | 2017 |  |  | 2016 |
(millions) |  |  |  |  |  |
Other receivables(1) |  | $ | 12 |  |  | $ | 10 |
Customer receivables from related parties |  |  | 1 |  |  |  | 1 |
Imbalances receivable from affiliates |  |  | 1 |  |  |  | 2 |
Imbalances payable to affiliates(2) |  |  | — |  |  |  | 4 |
Affiliated notes receivable(3) |  |  | 20 |  |  |  | 18 |
(1) | Represents amounts due from Atlantic Coast Pipeline, a related party VIE.
(2) | Amounts are presented in other current liabilities in Dominion Energy Gas’ Consolidated Balance Sheets.
(3) | Amounts are presented in other deferred charges and other assets in Dominion Energy Gas’ Consolidated Balance Sheets.

X
- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_LegalEntityAxis=d_VirginiaElectricAndPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=d_DominionEnergyGasHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |