Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Net income including noncontrolling interests		$ 674	$ 981
Net income attributable to Dominion Energy		674	981
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities	[1]	7	(9)
Changes in unrealized net gains (losses) on investment securities	[2]	(26)	17
Changes in net unrecognized pension and other postretirement benefit costs	[3]	(237)
Amounts reclassified to net income (loss):
Net derivative (gains) losses-hedging activities	[4]	7	8
Net realized (gains) losses on investment securities	[5]	6	1
Net pension and other postretirement benefit costs (credits)	[6]	5	(11)
Changes in other comprehensive income from equity method investees	[7]		1
Total other comprehensive income (loss)		(238)	7
Comprehensive income including noncontrolling interests		436	988
Comprehensive income attributable to Dominion Energy		436	988
Virginia Electric and Power Company
Net income including noncontrolling interests		465	355
Net income attributable to Dominion Energy		465	355
Other comprehensive income (loss), net of taxes:
Net deferred gains (losses) on derivatives-hedging activities	[8]	7	(9)
Changes in unrealized net gains (losses) on investment securities	[9]	(5)	4
Amounts reclassified to net income (loss):
Net realized (gains) losses on investment securities	[10]	1
Total other comprehensive income (loss)		3	(5)
Comprehensive income attributable to Dominion Energy		$ 468	$ 350

[1] Net of $(1) million and $3 million tax for the three months ended March 31, 2024 and 2023, respectively.

[2] Net of $10 million and $(7) million tax for the three months ended March 31, 2024 and 2023, respectively.

[3] Net of $84 million and $— million tax for the three months ended March 31, 2024 and 2023, respectively.

[4] Net of $(4) million and $(3) million tax for the three months ended March 31, 2024 and 2023, respectively.

[5] Net of $(2) million and $(1) million tax for the three months ended March 31, 2024 and 2023, respectively.

[6] Net of $(1) million and $4 million tax for the three months ended March 31, 2024 and 2023, respectively.

[7] Net of $— million and $— million tax for the three months ended March 31, 2024 and 2023, respectively.

[8] Net of $(1) million and $3 million tax for the three months ended March 31, 2024 and 2023, respectively.

[9] Net of $1 million and $(1) million tax for the three months ended March 31, 2024 and 2023, respectively.

[10] Net of $(1) million and $— million tax for the three months ended March 31, 2024 and 2023, respectively.