WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 1,998
Probable of recovery, legal costs	115
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	146
Probable of recovery, legal costs	46
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	525
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	86
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	504
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	53
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	875
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 0