WILDFIRE-RELATED CONTINGENCIES - Litigation Payments (Details) $ in Millions	Sep. 30, 2025 USD ($)
Loss Contingencies [Line Items]
Litigation payment	$ 3,209
2019 Kincade Fire
Loss Contingencies [Line Items]
Litigation payment	1,276
2021 Dixie fire
Loss Contingencies [Line Items]
Litigation payment	1,852
2022 Mosquito fire
Loss Contingencies [Line Items]
Litigation payment	$ 81