GENERAL INFORMATION AND OTHER FINANCIAL DATA - CAPITALIZED FINANCING COSTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	$ 166	$ 128	$ 466	$ 311
SDG&E
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	27	28	80	90
SoCalGas
Capitalized Financing Costs Disclosure [Line Items]
Capitalized financing costs	$ 25	$ 20	$ 75	$ 55