WILDFIRE-RELATED CONTINGENCIES (Loss Recoveries) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2024 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 1,712
Probable of recovery, legal costs	106
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	143
Probable of recovery, legal costs	43
Insurance | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	525
Insurance | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	83
FERC TO rates | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	93
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	494
WEMA | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	53
Wildfire Fund | 2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	600
Wildfire Fund | 2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	$ 0