DEBT AND CREDIT FACILITIES - UNCOMMITTED LETTERS OF CREDIT (Details) $ in Millions	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Letters of credit outstanding	$ 513
Letters of credit outstanding
Debt Instrument [Line Items]
Long-term debt outstanding	513
Letters of credit outstanding | SDG&E
Debt Instrument [Line Items]
Long-term debt outstanding	25
Letters of credit outstanding | SoCalGas
Debt Instrument [Line Items]
Long-term debt outstanding	20
Letters of credit outstanding | Sempra
Debt Instrument [Line Items]
Long-term debt outstanding	$ 468