BANKRUPTCY FILING (Chapter 11 Claims Process) (Details) proofOfClaim in Thousands, claim in Thousands, $ in Billions	Oct. 27, 2020	Dec. 31, 2020 proofOfClaim lawsuit claim	Dec. 31, 2019 USD ($)
Debt Instrument [Line Items]
Proofs of claims | proofOfClaim		100
Insurance from wildfire events | $			$ 2.5
Deadline extension period	180 days
Subrogation Wildfire Trust and Fire Victim Trust
Debt Instrument [Line Items]
Proofs of claims | claim		80
Satisfaction of HoldCo Rescission or Damage Claims and Subordinated Debt
Debt Instrument [Line Items]
Number of lawsuits filed against company (lawsuit, complaint) | lawsuit		3