REGULATORY MATTERS - GENERAL RATE CASE (Details) - 2024 GRC - 2024 Requirement - General Rate Case - USD ($) $ in Billions	1 Months Ended
	Oct. 31, 2023	May 31, 2022
San Diego Gas and Electric Company
General Rate Case [Line Items]
Requested revenue requirements		$ 3.0
San Diego Gas and Electric Company | Subsequent Event
General Rate Case [Line Items]
Requested revenue requirements	$ 2.2
Requested review and recovery of wildfire mitigation plan	$ 1.5
San Diego Gas and Electric Company | Minimum
General Rate Case [Line Items]
Estimate of annual increases		8.00%
San Diego Gas and Electric Company | Maximum
General Rate Case [Line Items]
Estimate of annual increases		11.00%
Southern California Gas Company
General Rate Case [Line Items]
Requested revenue requirements		$ 4.4
Southern California Gas Company | Minimum
General Rate Case [Line Items]
Estimate of annual increases		6.00%
Southern California Gas Company | Maximum
General Rate Case [Line Items]
Estimate of annual increases		8.00%