Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Net income including noncontrolling interests	$ (550)	$ 1,376	$ 2,549
Net income	(401)	1,358	2,447
Other comprehensive loss, net of taxes:
Net deferred gains (losses) on derivatives-hedging activities	(239)	(110)	30
Changes in unrealized net gains (losses) on investment securities, net tax	43	39	(18)
Changes in net unrecognized pension and other postretirement benefit costs, net of tax	25	(22)	(215)
Amounts reclassified to net income:
Net derivative (gains) losses-hedging activities, net of tax	227	(62)	102
Net realized (gains) losses on investment securities	(18)	(4)	5
Net pension and other postretirement benefit costs, net of tax	37	66	78
Changes in other comprehensive income from equity method investees, net of tax	1		1
Total other comprehensive loss	76	(93)	(17)
Comprehensive income (loss) including noncontrolling interests	(474)	1,283	2,532
Comprehensive income (loss) attributable to noncontrolling interests	(149)	18	103
Comprehensive income (loss) attributable to Dominion Energy	(325)	1,265	2,429
Virginia Electric and Power Company
Net income	1,021	1,149	1,282
Other comprehensive loss, net of taxes:
Net deferred gains (losses) on derivatives-hedging activities	(28)	(22)	1
Changes in unrealized net gains (losses) on investment securities, net tax	6	5
Amounts reclassified to net income:
Net derivative (gains) losses-hedging activities, net of tax	2	1	1
Net realized (gains) losses on investment securities	(3)	(1)
Total other comprehensive loss	(23)	(17)	2
Comprehensive income (loss) attributable to Dominion Energy	$ 998	$ 1,132	$ 1,284