WILDFIRE-RELATED CONTINGENCIES (Regulatory Recovery) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 1,687
2021 Dixie fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	91
2021 Dixie fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	470
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	123
2022 Mosquito fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	8
2022 Mosquito fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	$ 52