Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income including noncontrolling interests	$ 1,376	$ 2,549	$ 3,120
Net income	1,358	2,447	2,999
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities, net of tax	(110)	30	8
Changes in unrealized net gains (losses) on nuclear decommissioning trust funds, net of tax	39	(18)	215
Changes in net unrecognized pension and other postretirement benefit costs, net of tax	(22)	(215)	(69)
Amounts reclassified to net income:
Net derivative (gains) losses-hedging activities, net of tax	(62)	102	(29)
Net realized (gains) losses on investment securities, net of tax	(4)	5	(37)
Net pension and other postretirement benefit costs, net of tax	66	78	50
Changes in other comprehensive gains (losses) from equity method investees, net of tax		1	3
Total other comprehensive income (loss)	(93)	(17)	141
Comprehensive income including noncontrolling interests	1,283	2,532	3,261
Comprehensive income attributable to noncontrolling interests	18	103	122
Comprehensive income	1,265	2,429	3,139
Virginia Electric and Power Company
Net income	1,149	1,282	1,540
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities, net of tax	(22)	1	(5)
Changes in unrealized net gains (losses) on nuclear decommissioning trust funds, net of tax	5		24
Amounts reclassified to net income:
Net derivative (gains) losses-hedging activities, net of tax	1	1	1
Net realized (gains) losses on investment securities, net of tax	(1)		(4)
Total other comprehensive income (loss)	(17)	2	16
Comprehensive income	1,132	1,284	1,556
Dominion Energy Gas Holdings, LLC
Net income including noncontrolling interests	842	656	829
Net income	721	481	703
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities, net of tax	(61)	(16)	6
Changes in net unrecognized pension and other postretirement benefit costs, net of tax	33	(52)	20
Amounts reclassified to net income:
Net derivative (gains) losses-hedging activities, net of tax	5	19	(4)
Net pension and other postretirement benefit costs, net of tax	5	4	4
Total other comprehensive income (loss)	(18)	(45)	26
Comprehensive income including noncontrolling interests	824	611	855
Comprehensive income attributable to noncontrolling interests	120	175	127
Comprehensive income	$ 704	$ 436	$ 728