WILDFIRE-RELATED CONTINGENCIES (Regulatory Recovery) (Details) $ in Millions	3 Months Ended
Mar. 31, 2023 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 1,218
2021 Dixie fire \| FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	116
2021 Dixie fire \| WEMA
Loss Contingencies [Line Items]
Probable of recovery	398
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	109
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

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