DEBT AND CREDIT FACILITIES - UNCOMMITTED LETTERS OF CREDIT (Details) $ in Millions	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Letters of credit outstanding	$ 497
Letters of Credit
Debt Instrument [Line Items]
Long-term debt outstanding	497
Letters of Credit | SDG&E
Debt Instrument [Line Items]
Long-term debt outstanding	26
Letters of Credit | SoCalGas
Debt Instrument [Line Items]
Long-term debt outstanding	20
Letters of Credit | Other Sempra
Debt Instrument [Line Items]
Long-term debt outstanding	$ 451