WILDFIRE-RELATED CONTINGENCIES (Wildfire-Related Securities Claims, Fire Victim Trust D&O Claims and Potential Insurance Recoveries) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Jul. 26, 2022
Loss Contingencies [Line Items]
Net Loss	$ (360)	$ (478)	$ (401)	$ (123)	$ (838)	$ (524)
Wildfire-Related Class Action
Loss Contingencies [Line Items]
Loss contingency liability	300				300
Net Loss					145
Insurance Coverage Claims
Loss Contingencies [Line Items]
Insurance receivable	$ 272				$ 272
Breach of Fiduciary Duties | Subsequent Event
Loss Contingencies [Line Items]
Settlement amount proposed							$ 117