WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 2,274
Probable of recovery, legal costs	143
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	317
Probable of recovery, legal costs	66
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	523
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	256
FERC TO rates | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	96
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	530
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	54
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	1,125
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 0