XML 68 R58.htm IDEA: XBRL DOCUMENT v3.24.3
Acquisitions and Dispositions - (Schedule of Results of Operations of Disposal Groups Reported As Discontinued Operations) (Detail) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Income tax expense (benefit) $ (10) $ 1,200 $ 22 $ 1,300
Net income (loss) attributable to Dominion Energy (13) (541) 182 (92)
East Ohio | Enbridge        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Operating revenue   214 229 [1] 761
Operating expense   128 [2] 254 [1],[3] 497 [2]
Other income (expense)   7 (17) [1] 22
Interest and related charges   19 15 [1] 51
Income (loss) before income taxes   74 (57) [1] 235
Income tax expense (benefit)   39 [4] 9 [1] 58 [4]
Net income (loss) attributable to Dominion Energy   35 [5] (66) [1],[6] 177 [5]
PSNC | Enbridge        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Operating revenue 81 [1] 86 488 [1] 532
Operating expense 91 [1],[3] 80 [2] 312 [1],[3] 386 [2]
Other income (expense) 5 [1] 3 11 [1] 8
Interest and related charges 16 [1] 13 44 [1] 38
Income (loss) before income taxes (21) [1] (4) 143 [1] 116
Income tax expense (benefit) (9) [1] 383 [4] 44 [1] 409 [4]
Net income (loss) attributable to Dominion Energy $ (12) [1],[6] (387) [5] 99 [1],[6] (293) [5]
Questar Gas and Wexpro | Enbridge        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Operating revenue   150 894 [1] 1,151
Operating expense   127 [2] 746 [1],[3] 939 [2]
Other income (expense)   3 2 [1] 6
Interest and related charges   17 25 [1] 50
Income (loss) before income taxes   9 125 [1] 168
Income tax expense (benefit)   525 [4] 46 [1] 557 [4]
Net income (loss) attributable to Dominion Energy   (516) [5] 79 [1],[6] (389) [5]
Other Sales        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Operating revenue     0  
Operating expense [3]     (8)  
Other income (expense)     0  
Interest and related charges     0  
Income (loss) before income taxes     8  
Income tax expense (benefit)     0  
Net income (loss) attributable to Dominion Energy [6]     $ 8  
Other Sales | Tredegar Solar Fund I, LLC        
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Operating revenue   2   5
Operating expense [2]   7   29
Other income (expense)   0   0
Interest and related charges   0   1
Income (loss) before income taxes   (5)   (25)
Income tax expense (benefit) [4]   (2)   (7)
Net income (loss) attributable to Dominion Energy [5]   $ (3)   $ (18)
[1] Represents amounts attributable to Dominion Energy prior to the closing of the East Ohio Transaction which closed on March 6, 2024, the PSNC Transaction which closed on September 30, 2024 and the Questar Gas Transaction which closed on May 31, 2024.
[2] Other includes a charge of $15 million ($11 million after-tax) recorded in the second quarter of 2023 associated with the impairment of certain nonregulated solar assets.
[3] East Ohio Transaction includes a charge of $45 million ($33 million after-tax) associated with an increase to certain pension retirement benefits attributable to a plan amendment and a contribution to the defined contribution employee savings plan. See Note 20 for further information on these transactions.
[4] Includes amounts recorded in the third quarter of 2023 to reflect the recognition of deferred taxes on the outside basis of the applicable entities’ stock upon meeting the classification as held for sale.
[5] Excludes $6 million and $2 million of income tax expense attributable to consolidated state and interim period tax allocation adjustments for the three and nine months ended September 30, 2023, respectively.
[6] Excludes $2 million and $(71) million of income tax expense (benefit) attributable to consolidated state adjustments for the three and nine months ended September 30, 2024, respectively.