REGULATORY MATTERS - SCHEDULE OF GRC REQUESTS (Details) $ in Millions	1 Months Ended
	Jun. 30, 2026 USD ($)
San Diego Gas and Electric Company \| Revenue Requirement, Period One
Schedule of General Rate Case [Line Items]
Requested revenue amount	$ 3,748
San Diego Gas and Electric Company \| Revenue Recognition, Period Two
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 325
Requested revenue rate	8.70%
San Diego Gas and Electric Company \| Revenue Recognition, Period Three
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 224
Requested revenue rate	5.50%
San Diego Gas and Electric Company \| Revenue Recognition, Period Four
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 239
Requested revenue rate	5.50%
Southern California Gas Company \| Revenue Requirement, Period One
Schedule of General Rate Case [Line Items]
Requested revenue amount	$ 5,090
Southern California Gas Company \| Revenue Recognition, Period Two
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 314
Requested revenue rate	6.20%
Southern California Gas Company \| Revenue Recognition, Period Three
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 311
Requested revenue rate	5.80%
Southern California Gas Company \| Revenue Recognition, Period Four
Schedule of General Rate Case [Line Items]
Requested recovery amount	$ 313
Requested revenue rate	5.50%