REGULATORY MATTERS - REGULATROY ASSETS NOT EARNING A RETURN AND EARNING A RETURN (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Public Utilities, General Disclosures [Line Items]
Amortization of regulatory asset	$ 14	$ 12	$ 11
SDG&E
Public Utilities, General Disclosures [Line Items]
Amortization of regulatory asset	$ 7	6	5
SDG&E | Sunrise Powerlink fire mitigation
Public Utilities, General Disclosures [Line Items]
Amortization period (in years)	45 years
SoCalGas
Public Utilities, General Disclosures [Line Items]
Amortization of regulatory asset	$ 7	$ 6	$ 6
Minimum
Public Utilities, General Disclosures [Line Items]
Amortization period (in years)	5 years
Maximum
Public Utilities, General Disclosures [Line Items]
Regulatory asset, recovery (in years)	4 years
Amortization period (in years)	69 years