BANKRUPTCY FILING (Chapter 11 Claims Process) (Details) claim in Thousands, $ in Millions	Oct. 27, 2020	Jun. 30, 2021 USD ($) claim	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Proofs of claims		100
Disputed claims and customer refunds | $		$ 245	$ 242
Deadline extension period	180 days
Subrogation Wildfire Trust and Fire Victim Trust
Debt Instrument [Line Items]
Proofs of claims		80