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Property, Plant and Equipment (Property, Plant and Equipment) (Parenthetical) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |  |
Plant under construction | [1] | $ 13,816 | $ 8,230
Virginia Electric and Power Company |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Plant under construction | [1] | 12,826 | 7,548
Project costs not expected to be recovered |  | 206 |
Virginia Electric and Power Company | CVOW Commercial Project |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Plant under construction |  | $ 5,800 | $ 2,900
[1] | Includes $5.8 billion and $2.9 billion of costs associated with the CVOW Commercial Project at December 31, 2024 and 2023, respectively. The amount at December 31, 2024 is net of $206 million of costs not expected to be recovered from customers.

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