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Acquisitions and Dispositions (Proposed Acquisition Of SCANA) (Narrative) (Detail) $ in Millions | 1 Months Ended
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Jan. 31, 2018 USD ($)
SCANA |
Business Acquisition And Dispositions [Line Items] |
Common stock agreed to issue | 66.90%
Business combination, liability incurred | $ 575
One-time rate credit to electric service customers, period within closing | 90 days
Discount on existing customers | 7.00%
Period to recognize reduction to SCE&C electric service customers bills | 8 years
Combination debt outstanding | $ 7,000
SCANA | Termination Fee Paid By Dominion to SCANA |
Business Acquisition And Dispositions [Line Items] |
Contract termination fee | 280
SCANA | Termination Fee Paid to Dominion |
Business Acquisition And Dispositions [Line Items] |
Contract termination fee | 240
SCANA | Up-front Payment Arrangement | Electric Service Customers |
Business Acquisition And Dispositions [Line Items] |
Business combination, liability incurred | 1,300
V C Summer Unit |
Business Acquisition And Dispositions [Line Items] |
Business combination cost related to exclusion from rate recovery | 1,700
Columbia Energy |
Business Acquisition And Dispositions [Line Items] |
Business combination cost related to exclusion from rate recovery | $ 180

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