WILDFIRE-RELATED CONTINGENCIES (Self-Insurance) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
CPUC
Loss Contingencies [Line Items]
Self insurance rate		$ 400.0
Increase in self insurance amount to be collected, percentage		50.00%
Self insurance deductible, percent		0.05
Self insurance deductible maximum		$ 50.0
CPUC | Forecast
Loss Contingencies [Line Items]
Self insurance rate	$ 1,000.0
TO21
Loss Contingencies [Line Items]
Self insurance rate		100.0
PERS
Loss Contingencies [Line Items]
Self insurance contributions		340.0
Self insurance contributions, minimum capital and surplus requirements		$ 8.0