Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Customer receivables, allowance for doubtful accounts	$ 40	$ 42
Other receivables, allowance for doubtful accounts	$ 4	$ 3
Common stock, shares authorized	1,800,000,000	1,800,000,000
Common stock, shares outstanding	810,000,000	806,000,000
Virginia Electric and Power Company
Customer receivables, allowance for doubtful accounts	$ 28	$ 23
Other receivables, allowance for doubtful accounts	$ 2	$ 2
Common stock, shares authorized	500,000	500,000
Common stock, shares outstanding	274,723	274,723