WILDFIRE-RELATED CONTINGENCIES (Regulatory Recovery) (Details) $ in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 1,231
2021 Dixie fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	117
2021 Dixie fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	411
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	114
2022 Mosquito fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	9
2022 Mosquito fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	$ 51