Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income including noncontrolling interests	$ 2,071	$ 2,031	$ 1,191
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities, net of tax	13	0	67
Changes in unrealized net gains (losses) on investment securities, net of tax	(22)	55	(100)
Changes in net unrecognized pension and other postretirement benefit costs (credits), net of tax	(2)	0	0
Amounts reclassified to net income (loss):
Net derivative (gains) losses-hedging activities, net of tax	32	33	42
Net realized (gains) losses on investment securities, net of tax	8	(11)	19
Net pension and other postretirement benefit costs (credits), net of tax	(12)	(13)	(13)
Net earnings from equity method investees, net of tax	0	3	0
Changes in other comprehensive income from equity method investees, net of tax	0	0	1
Total other comprehensive income (loss)	17	67	16
Comprehensive income including noncontrolling interests	2,088	2,098	1,207
Comprehensive income (loss) attributable to noncontrolling interests	(53)	0	0
Comprehensive income attributable to Dominion Energy	2,141	2,098	1,207
Virginia Electric and Power Company
Net income including noncontrolling interests	1,857	1,452	1,112
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities, net of tax	13	(1)	60
Changes in unrealized net gains (losses) on investment securities, net of tax	(5)	7	(11)
Amounts reclassified to net income (loss):
Net derivative (gains) losses-hedging activities, net of tax	0	0	1
Net realized (gains) losses on investment securities, net of tax	3	1	0
Total other comprehensive income (loss)	11	7	50
Comprehensive income including noncontrolling interests	1,868	1,459	1,162
Comprehensive income (loss) attributable to noncontrolling interests	(53)	0	0
Comprehensive income attributable to Dominion Energy	$ 1,921	$ 1,459	$ 1,162