WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2025 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 2,061
Probable of recovery, legal costs	117
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	157
Probable of recovery, legal costs	50
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	527
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	96
FERC TO rates | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	94
FERC TO rates | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	7
WEMA | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	515
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	54
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	925
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 0