WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 105
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	1,208
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	45
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	530
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	50
WEMA | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	388
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	0
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	175
FERC TO rates | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	10
FERC TO rates | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 115