WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 2,219
Probable of recovery, legal costs	125
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	311
Probable of recovery, legal costs	54
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	523
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	251
FERC TO rates | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	95
FERC TO rates | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	6
WEMA | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	526
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	54
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	1,075
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 0