WILDFIRE-RELATED CONTINGENCIES (Regulatory Recovery) (Details) - 2017 Northern California wildfires $ in Millions	Jun. 04, 2021 party	May 14, 2021 party	May 11, 2021 USD ($)	Mar. 23, 2021 USD ($)	Apr. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Customer Harm Threshold, post-emergence transaction, securitized			$ 7,500	$ 7,500	$ 7,500
Customer Harm Threshold, post-emergence transaction, debt retirement					6,000
Customer Harm Threshold, post-emergence transaction, debt payment acceleration remaining					$ 592
Number of parties whom filed for rehearing with company response (party) | party	2	3