XML 128 R114.htm IDEA: XBRL DOCUMENT v3.23.2
Operating Segments (Schedule of Segment Reporting Information, by Segment, Virginia Power) (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Segment Reporting Information [Line Items]        
Operating Revenue $ 3,794 $ 3,596 $ 9,046 $ 7,875
Net income (loss) attributable to Dominion Energy 599 (453) 1,596 258
Virginia Electric and Power Company        
Segment Reporting Information [Line Items]        
Operating Revenue [1] 2,251 2,175 4,635 4,342
Net income (loss) attributable to Dominion Energy 332 47 685 404
Dominion Energy Virginia        
Segment Reporting Information [Line Items]        
Operating Revenue 2,253 2,172 4,641 4,341
Dominion Energy Virginia | Virginia Electric and Power Company        
Segment Reporting Information [Line Items]        
Operating Revenue 2,251 2,170 4,635 4,335
Net income (loss) attributable to Dominion Energy 392 442 776 958
Corporate and Other        
Segment Reporting Information [Line Items]        
Operating Revenue 261 108 855 180
Corporate and Other | Virginia Electric and Power Company        
Segment Reporting Information [Line Items]        
Operating Revenue 0 5 0 7
Net income (loss) attributable to Dominion Energy $ (60) $ (395) $ (91) $ (554)
[1] See Note 19 for amounts attributable to affiliates.