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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.