DEBT AND CREDIT FACILITIES - WEIGHTED AVERAGE INTEREST RATES (Details)	Dec. 31, 2022	Dec. 31, 2021
Sempra
Debt Instrument [Line Items]
Weighted average interest rate on total short-term debt outstanding (as a percent)	5.57%	0.60%
San Diego Gas and Electric Company
Debt Instrument [Line Items]
Weighted average interest rate on total short-term debt outstanding (as a percent)	4.76%	0.65%
SoCalGas
Debt Instrument [Line Items]
Weighted average interest rate on total short-term debt outstanding (as a percent)	4.71%	0.21%