WILDFIRE-RELATED CONTINGENCIES (Losses For Claims) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
2019 Kincade fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	$ 650
Accrued Losses	0
Payments	(50)
Loss accrual, ending balance	600
2020 Zogg fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	32
Accrued Losses	0
Payments	(6)
Loss accrual, ending balance	26
2021 Dixie fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	1,131
Accrued Losses	0
Payments	(340)
Loss accrual, ending balance	$ 791