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Regulatory Matters - GAS Virginia Natural Gas (Details) - Virginia Natural Gas - USD ($) $ in Millions | Jun. 07, 2023 | Jan. 01, 2023
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Public Utilities, General Disclosures [Line Items] |  |
Approved rate increase (decrease) | $ 48 |
Public utilities, approved return on equity percentage | 9.70% |
Public utilities, approved equity capital structure percentage | 49.06% |
Requested rate increase (decrease) amount |  | $ 69

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