REGULATORY MATTERS - FERC RATE MATTERS (Details) - SDG&E	9 Months Ended
	Sep. 30, 2024	Oct. 31, 2024
Public Utilities, General Disclosures [Line Items]
FERC requirement to maintain common equity ratio, at or above (percent)	10.60%
FERC requirement to maintain common equity ratio at or above, base (as a percent)	10.10%
FERC requirement, additional basis spread	0.50%
Subsequent Event
Public Utilities, General Disclosures [Line Items]
FERC requirement to maintain common equity ratio at or above, base (as a percent)		11.75%