WILDFIRE-RELATED CONTINGENCIES (Wildfire-Related Derivative Litigation) (Details)	Mar. 30, 2021 action	Feb. 24, 2021 notice complaint	Nov. 20, 2017 lawsuit	Nov. 16, 2017 lawsuit
Loss Contingencies [Line Items]
Number of amended complaints (complaint) | complaint		1
Number of actions consolidated (action) | action	2
Breach of Fiduciary Duties
Loss Contingencies [Line Items]
Number of causes (cause) | notice		2
Derivative Lawsuits Filed in the San Francisco County Superior Court | Breach of Fiduciary Duties
Loss Contingencies [Line Items]
Number of lawsuits filed against company (lawsuit) | lawsuit			2	2