WILDFIRE-RELATED CONTINGENCIES - Litigation Payments (Details) $ in Millions	Mar. 31, 2026 USD ($)
Loss Contingencies [Line Items]
Litigation payment	$ 3,496
2019 Kincade Fire
Loss Contingencies [Line Items]
Litigation payment	1,318
2021 Dixie fire
Loss Contingencies [Line Items]
Litigation payment	2,009
2022 Mosquito fire
Loss Contingencies [Line Items]
Litigation payment	$ 169