EMPLOYEE BENEFIT PLANS - EMPLOYER CONTRIBUTIONS TO SAVINGS PLANS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Savings Plan [Line Items]
Employer contributions to defined benefit plan	$ 59	$ 64	$ 52
SDG&E
Savings Plan [Line Items]
Employer contributions to defined benefit plan	20	19	18
SoCalGas
Savings Plan [Line Items]
Employer contributions to defined benefit plan	$ 32	$ 30	$ 28