COMMITMENTS AND CONTINGENCIES - OTHER COMMITMENTS (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2012 $ / MMBTU MMcf
Natural Gas and Electric Franchise | SDG&E
Loss Contingencies [Line Items]
Expected payment	$ 14
Expected payment, due in second year	15
Expected payment, due in third year	4
Expected payment, due in fourth year	2
Expected payment, due in fifth year	2
Expected payment, thereafter	46
Sunrise Powerlink Construction | SDG&E
Loss Contingencies [Line Items]
Expected payment	4
Expected payment, due in second year	4
Expected payment, due in third year	4
Expected payment, due in fourth year	4
Expected payment, due in fifth year	4
Expected payment, thereafter	$ 268
Estimated annual escalation	2.00%
Present value of future payments	$ 124
Continental Forge | Sempra Infrastructure
Loss Contingencies [Line Items]
Purchase commitment period		18 years
Amount o natural gas to be sold (MMcf per day) | MMcf		500
Price index | $ / MMBTU		0.02