GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	$ 155	$ 110	$ 300	$ 183
SDG&E
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	27	31	53	62
SoCalGas
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	$ 26	$ 20	$ 50	$ 35