COMMITMENTS AND CONTINGENCIES - OTHER COMMITMENTS (Details)		12 Months Ended
	Jun. 08, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2012 USD ($) MMcf
Natural Gas and Electric Franchise | San Diego Gas and Electric Company [Member]
Loss Contingencies [Line Items]
Expected payment		$ 14,000,000
Expected payment, due in second year		14,000,000
Expected payment, due in third year		14,000,000
Expected payment, due in fourth year		15,000,000
Expected payment, due in fifth year		4,000,000
Expected payment, thereafter		51,000,000
Other Commitment	$ 110,000,000
Other Commitments, Interest Payments	$ 13,000,000
Other Commitments, Payments		11,000,000
Sunrise Powerlink Construction | SDG&E
Loss Contingencies [Line Items]
Expected payment		4,000,000
Expected payment, due in second year		4,000,000
Expected payment, due in third year		4,000,000
Expected payment, due in fourth year		4,000,000
Expected payment, due in fifth year		4,000,000
Expected payment, thereafter		$ 275,000,000
Estimated annual escalation		2.00%
Purchase commitment period		48 years
Present value of future payments		$ 122,000,000
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			$ 0.02