WILDFIRE-RELATED CONTINGENCIES (Losses For Claims) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
2019 Kincade fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	$ 650
Accrued Losses	100
Payments	(292)
Loss accrual, ending balance	458
2020 Zogg fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	32
Accrued Losses	0
Payments	(22)
Loss accrual, ending balance	10
2021 Dixie fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	1,131
Accrued Losses	425
Payments	(686)
Loss accrual, ending balance	870
2022 Mosquito fire
Loss Contingency Accrual [Roll Forward]
Loss accrual, beginning balance	99
Accrued Losses	0
Payments	(14)
Loss accrual, ending balance	$ 85