WILDFIRE-RELATED CONTINGENCIES (Plan Support Agreements with Public Entities) (Details) - USD ($) $ in Millions			9 Months Ended
	Sep. 23, 2019	Jun. 18, 2019	Sep. 30, 2019	Sep. 22, 2019
Loss Contingencies [Line Items]
Amount to be paid for Subrogation Claims Settlement	$ 11,000
Subrogation claims, professional fees				$ 55
Public Entity Wildfire Claims | Settled Litigation
Loss Contingencies [Line Items]
Settlement reached		$ 1,000
Public Entity Wildfire Claims | Settled Litigation | 2018 Camp Fire
Loss Contingencies [Line Items]
Settlement reached			$ 70