WILDFIRE-RELATED CONTINGENCIES (Regulatory Recovery) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2026 USD ($)
2021 Dixie fire
Loss Contingencies [Line Items]
Probable of recovery	$ 2,307
2021 Dixie fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	97
2021 Dixie fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	539
2022 Mosquito fire
Loss Contingencies [Line Items]
Probable of recovery	477
2022 Mosquito fire | FERC TO rates
Loss Contingencies [Line Items]
Probable of recovery	7
2022 Mosquito fire | WEMA
Loss Contingencies [Line Items]
Probable of recovery	$ 54