Regulatory Matters - GAS Virginia Natural Gas (Details) - Virginia Natural Gas $ in Millions	Aug. 01, 2022 USD ($)
Public Utilities, General Disclosures [Line Items]
Requested rate increase (decrease) amount	$ 69
Public utilities, requested rate increase amount recovery of investments	$ 15
Public utilities, approved return on equity percentage	10.35%
Public utilities, approved equity capital structure percentage	53.20%