XML 81 R55.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Related Party Transactions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Virginia Electric and Power Company |
Related Party Transaction [Line Items] |
Schedules Of Transactions With Affiliates | Presented below are significant transactions with DRS and other affiliates:
Year Ended December 31, | 2016 |  | 2015 |  | 2014 |
(millions) |  |  |
Commodity purchases from affiliates | $ | 571 |  | $ | 555 |  | $ | 543 |
Services provided by affiliates(1) | 454 |  | 422 |  | 432 |
Services provided to affiliates | 22 |  | 22 |  | 22 |
(1) Includes capitalized expenditures of $144 million, $143 million and $146 million for the year ended December 31, 2016, 2015, and 2014, respectively.
Dominion Gas Holdings, LLC |
Related Party Transaction [Line Items] |
Schedule of Related Party Transactions | DRS and other affiliates provide accounting, legal, finance and certain administrative and technical services to Dominion Gas. Dominion Gas provides certain services to related parties, including technical services. The financial statements for all years presented include costs for certain general, administrative and corporate expenses assigned by DRS to Dominion Gas on the basis of direct and allocated methods in accordance with Dominion Gas’ services agreements with DRS. Where costs incurred cannot be determined by specific identification, the costs are allocated based on the proportional level of effort devoted by DRS resources that is attributable to the entity, determined by reference to number of employees, salaries and wages and other similar measures for the relevant DRS service. 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, | 2016 |  | 2015 |  | 2014 |
(millions) |  |  |
Purchases of natural gas and transportation and storage services from affiliates | $ | 9 |  | $ | 10 |  | $ | 34 |
Sales of natural gas and transportation and storage services to affiliates | 69 |  | 69 |  | 84 |
Services provided by related parties(1) | 141 |  | 133 |  | 106 |
Services provided to related parties(2) | 128 |  | 101 |  | 17 |
(1) Includes capitalized expenditures of $49 million, $57 million and $49 million for the year ended December 31, 2016, 2015, and 2014, respectively. (2) Amounts primarily attributable to Atlantic Coast Pipeline. The following table presents affiliated and related party balances reflected in Dominion Gas' Consolidated Balance Sheets:
At December 31, | 2016 | 2015
(millions) |  |
Other receivables(1) | $ | 10 |  | $ | 7 |
Customer receivables from related parties | 1 |  | 4 |
Imbalances receivable from affiliates | 2 |  | 1 |
Imbalances payable to affiliates(2) | 4 |  | — |
Affiliated notes receivable(3) | 18 |  | 14 |
(1) | Represents amounts due from Atlantic Coast Pipeline, a related party VIE.
(2) | Amounts are presented in other current liabilities in Dominion Gas' Consolidated Balance Sheets.
(3) Amounts are presented in other deferred charges and other assets in Dominion Gas' Consolidated Balance Sheets.

X
- Definition Schedules Of Transactions With Affiliates [Table Text Block] + References No definition available. + Details
Name: | d_SchedulesOfTransactionsWithAffiliatesTableTextBlock
Namespace Prefix: | d_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_DominionGasHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |