Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Customer receivables, allowance for doubtful accounts	$ 34,000,000	$ 31,000,000
Other receivables, allowance for doubtful accounts	$ 3,000,000	$ 3,000,000
Common stock, shares authorized	1,800,000,000	1,800,000,000
Common stock, shares outstanding	837,000,000	835,000,000
Virginia Electric and Power Company
Customer receivables, allowance for doubtful accounts	$ 24,000,000	$ 21,000,000
Other receivables, allowance for doubtful accounts	$ 1,000,000	$ 2,000,000
Common stock, shares authorized	500,000	500,000
Common stock, shares outstanding	274,723	274,723