Virginia Electric and Power Company Consolidated Statements of Common Shareholder's Equity - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	AOCI	Virginia Electric and Power Company	Virginia Electric and Power Company Cumulative-effect of changes in accounting principles	Virginia Electric and Power Company Common Stock	Virginia Electric and Power Company Other Paid-In Capital	Virginia Electric and Power Company Retained Earnings	Virginia Electric and Power Company Retained Earnings Cumulative-effect of changes in accounting principles	Virginia Electric and Power Company AOCI
Beginning balance at Dec. 31, 2020					$ 14,557	$ (143)	$ 5,738	$ 1,113	$ 7,758	$ (143)	$ (52)
Beginning balance (in shares) at Dec. 31, 2020		806,000,000					275,000
Net income	$ 3,399				1,662				1,662
Dividends					$ (300)				(300)
Issuance of stock (in shares)		4,000,000			0
Issuance of stock to Dominion Energy	1,332	$ 340
Other comprehensive income, net of tax	259			$ 259	$ 11						11
Other	(2)	$ (2)
Ending balance at Dec. 31, 2021				(1,458)	15,787		$ 5,738	1,113	8,977		(41)
Ending Balance (in shares) at Dec. 31, 2021		810,000,000					275,000
Net income	1,321				$ 1,112				1,112
Issuance of stock (in shares)		25,000,000			0
Issuance of stock to Dominion Energy	1,969	$ 1,969
Other comprehensive income, net of tax	(114)			(114)	$ 50						50
Ending balance at Dec. 31, 2022	27,659			(1,572)	16,949		$ 5,738	1,113	10,089		9
Ending Balance (in shares) at Dec. 31, 2022		835,000,000					275,000
Net income	1,994				$ 1,452				1,452
Issuance of stock (in shares)		2,000,000			0		49,000
Issuance of stock to Dominion Energy	94	$ 94			$ 3,250		$ 3,250
Other comprehensive income, net of tax	66			66	7						7
Other		$ (1)	$ 1		(1)		(1)
Ending balance at Dec. 31, 2023	$ 27,529			$ (1,506)	$ 21,657		$ 8,987	$ 1,113	$ 11,541		$ 16
Ending Balance (in shares) at Dec. 31, 2023		838,000,000					324,000