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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2025
Dec. 31, 2024
Customer receivables, allowance for doubtful accounts $ 30 $ 30
Other receivables, allowance for doubtful accounts $ 3 $ 2
Common stock, shares authorized 1,800,000,000 1,800,000,000
Common stock, shares outstanding 854,000,000 852,000,000
Virginia Electric and Power Company    
Customer receivables, allowance for doubtful accounts $ 21 $ 23
Other receivables, allowance for doubtful accounts $ 3 $ 2
Common stock, shares authorized 500,000 500,000
Common stock, shares outstanding 373,881 324,245