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Regulatory Matters - Summary of Virginia Power Electric Transmission Project Applied (Parenthetical) (Details) - Virginia Electric and Power Company $ in Millions | Dec. 31, 2023 USD ($)
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Other transmission projects approved |
Public Utilities, General Disclosures [Line Items] |
Cost Estimate | $ 155
Other transmission projects applied |
Public Utilities, General Disclosures [Line Items] |
Cost Estimate | $ 145

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