Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Allowance - Customer Receivables	$ 25	$ 28
Allowance - Other	4	4
Common Stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares outstanding	581,000,000	576,000,000
Virginia Electric and Power Company
Allowance - Customer Receivables	11	10
Allowance - Other	$ 2	$ 3
Common Stock, shares authorized	500,000	500,000
Common stock, shares outstanding	274,723	274,723