WILDFIRE-RELATED CONTINGENCIES (Losses For Claims) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2023 USD ($)
2019 Kincade fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	$ 650
Accrued Losses	0
Payments	(274)
Loss accrual, ending balance	376
2020 Zogg fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	32
Accrued Losses	0
Payments	(19)
Loss accrual, ending balance	13
2021 Dixie fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	1,131
Accrued Losses	425
Payments	(533)
Loss accrual, ending balance	$ 1,023