Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Customer receivables, allowance for doubtful accounts	$ 30	$ 30
Other receivables, allowance for doubtful accounts	$ 2	$ 2
Common stock, shares authorized	1,800,000,000	1,800,000,000
Common stock, shares outstanding	853,000,000	852,000,000
Virginia Electric and Power Company
Customer receivables, allowance for doubtful accounts	$ 22	$ 23
Other receivables, allowance for doubtful accounts	$ 2	$ 2
Common stock, shares authorized	500,000	500,000
Common stock, shares outstanding	324,245	324,245