WILDFIRE-RELATED CONTINGENCIES - Litigation Payments (Details) $ in Millions	Mar. 31, 2024 USD ($)
Loss Contingencies [Line Items]
Litigation payment	$ 2,056
2019 Kincade Fire
Loss Contingencies [Line Items]
Litigation payment	780
2020 Zogg fire
Loss Contingencies [Line Items]
Litigation payment	392
2021 Dixie fire
Loss Contingencies [Line Items]
Litigation payment	869
2022 Mosquito fire
Loss Contingencies [Line Items]
Litigation payment	$ 15