EMPLOYEE BENEFIT PLANS - EMPLOYER CONTRIBUTIONS TO SAVINGS PLANS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Savings Plan [Line Items]
Employer contributions to defined benefit plan	$ 64	$ 52	$ 47
San Diego Gas and Electric Company
Savings Plan [Line Items]
Employer contributions to defined benefit plan	19	18	16
SoCalGas
Savings Plan [Line Items]
Employer contributions to defined benefit plan	$ 30	$ 28	$ 25