WILDFIRE-RELATED CONTINGENCIES - Litigation Payments (Details) $ in Millions	Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Litigation payment	$ 1,803
2019 Kincade fire
Loss Contingencies [Line Items]
Litigation payment	667
2020 Zogg fire
Loss Contingencies [Line Items]
Litigation payment	390
2021 Dixie fire
Loss Contingencies [Line Items]
Litigation payment	731
2022 Mosquito fire
Loss Contingencies [Line Items]
Litigation payment	$ 15