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Operating Revenue (Schedule of Operating Revenue) (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | $ 3,470 | $ 3,746 | $ 7,793 | $ 7,376
Other revenues | [1] | 115 | 224 | 288 | 452
Total operating revenue |  | 3,585 | 3,970 | 8,081 | 7,828
Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,091 | 1,094 | 2,249 | 1,740
Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 728 | 889 | 1,526 | 1,385
Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 176 | 217 | 358 | 247
Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 193 | 214 | 412 | 414
Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 29 | 41 | 62 | 89
Nonregulated Electric Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 177 | 175 | 409 | 491
Regulated Gas Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 182 | 177 | 730 | 779
Regulated Gas Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 63 | 73 | 254 | 264
Regulated Gas Sales | Other |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 16 | 25 | 44 | 63
Nonregulated Gas Sales |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 33 | 71 | 116 | 318
Regulated Gas Transportation and Storage | FERC-regulated |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 247 | 247 | 528 | 524
Regulated Gas Transportation and Storage | State-regulated |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 182 | 166 | 414 | 379
Nonregulated gas transportation and storage |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 176 | 174 | 351 | 348
Other Regulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2] | 98 | 82 | 173 | 126
Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3] | 79 | 101 | 167 | 209
Virginia Electric and Power Company |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 1,765 | 1,914 | 3,674 | 3,866
Other revenues | [1],[3] | 40 | 24 | 61 | 37
Total operating revenue |  | 1,805 | 1,938 | 3,735 | 3,903
Virginia Electric and Power Company | Regulated Electric Sales | Residential |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 818 | 808 | 1,714 | 1,731
Virginia Electric and Power Company | Regulated Electric Sales | Commercial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 546 | 681 | 1,160 | 1,317
Virginia Electric and Power Company | Regulated Electric Sales | Industrial |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 89 | 118 | 186 | 230
Virginia Electric and Power Company | Regulated Electric Sales | Government and Other Retail |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 177 | 197 | 380 | 401
Virginia Electric and Power Company | Regulated Electric Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 21 | 29 | 45 | 66
Virginia Electric and Power Company | Other Regulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 94 | 62 | 156 | 88
Virginia Electric and Power Company | Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3] | 20 | 19 | 33 | 33
Dominion Energy Gas Holdings, LLC |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 509 | 529 | 1,064 | 1,094
Other revenues | [3] | 1 | 1 | 2 | 2
Total operating revenue |  | 510 | 530 | 1,066 | 1,096
Dominion Energy Gas Holdings, LLC | Regulated Gas Sales | Wholesale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 0 | 0 | 2 | 2
Dominion Energy Gas Holdings, LLC | Regulated Gas Transportation and Storage |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [3] | 302 | 306 | 646 | 646
Dominion Energy Gas Holdings, LLC | Nonregulated gas transportation and storage |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers |  | 175 | 173 | 350 | 348
Dominion Energy Gas Holdings, LLC | Other Regulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2] | 2 | 3 | 3 | 6
Dominion Energy Gas Holdings, LLC | Other Nonregulated Revenues |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [2],[3] | 1 | 1 | 2 | 1
Dominion Energy Gas Holdings, LLC | Nonregulated Gas Sale |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [3] | 0 | 1 | 1 | 3
Dominion Energy Gas Holdings, LLC | Management Service |  |  |  |  |
Public Utilities General Disclosures [Line Items] |  |  |  |  |
Operating revenue from contracts with customers | [3] | $ 29 | $ 45 | $ 60 | $ 88
[1] | Amounts above include alternative revenue of $39 million and $21 million at Dominion Energy and $34 million and $18 million at Virginia Power for the three months ended June 30, 2020 and 2019, respectively, and $75 million and $35 million at Dominion Energy and $51 million and $26 million at Virginia Power for the six months ended June 30, 2020 and 2019, respectively.
[2] | Amounts above include sales which are considered to be goods transferred at a point in time. Such amounts included $19 million and $— million for the three months ended June 30, 2020, $42 million and $2 million for the three months ended June 30, 2019, $58 million and $1 million for the six months ended June 30, 2020 and $93 and $3 million for the six months ended June 30, 2019, primarily consisting of NGL sales at Dominion Energy and Dominion Energy Gas, respectively. Additionally, amounts above include sales of renewable energy credits. Such amounts included $7 million and $5 million for the three months ended June 30, 2020, $4 million and $2 million for the three months ended June 30, 2019, $11 million and $8 million for the six months ended June 30, 2020 and $7 million and $3 million for the six months ended June 30, 2019, at Dominion Energy and Virginia Power, respectively.
[3] | See Notes 10 and 19 for amounts attributable to related parties and affiliates.

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