Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Customer receivables, allowance for doubtful accounts	$ 39	$ 38
Other receivables, allowance for doubtful accounts	$ 1	$ 1
Common stock, shares authorized	1,800,000,000	1,800,000,000
Common stock, shares outstanding	838,000,000	838,000,000
Virginia Electric and Power Company
Customer receivables, allowance for doubtful accounts	$ 30	$ 30
Other receivables, allowance for doubtful accounts	$ 1	$ 1
Common stock, shares authorized	500,000	500,000
Common stock, shares outstanding	324,245	324,245