BANKRUPTCY FILING (Reorganization Items, Net) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Pacific Gas & Electric Co
Debt Instrument [Line Items]
Payments for reorganization items	$ 90	$ 13	$ 207	$ 78
Probable of recovery			18
PG&E Corporation
Debt Instrument [Line Items]
Payments for reorganization items	$ 33	$ 2	$ 90	$ 15