BANKRUPTCY FILING (Schedule of Debtor Reorganization Items) (Details) - USD ($)	3 Months Ended		5 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018
Reorganizations [Line Items]
Debtor-in-possession financing costs	$ 0		$ 114,000,000
Legal and other	76,000,000		100,000,000
Interest income	(21,000,000)		(32,000,000)
Adjustments to LSTC	0		0
Trustee fees	1,000,000		1,000,000
Total reorganization items, net	56,000,000	$ 0	183,000,000	$ 183,000,000	$ 0
PG&E Corporation
Reorganizations [Line Items]
Debtor-in-possession financing costs	0		17,000,000
Legal and other	1,000,000		2,000,000
Interest income	(3,000,000)		(5,000,000)
Adjustments to LSTC	0		0
Trustee fees	1,000,000		1,000,000
Total reorganization items, net	(1,000,000)		15,000,000
Fees paid to the U.S. Trustee	416,667		416,667
Utility
Reorganizations [Line Items]
Debtor-in-possession financing costs	0		97,000,000
Legal and other	75,000,000		98,000,000
Interest income	(18,000,000)		(27,000,000)
Adjustments to LSTC	0		0
Trustee fees	0		0
Total reorganization items, net	57,000,000	$ 0	168,000,000	$ 168,000,000	$ 0
Fees paid to the U.S. Trustee	$ 250,000		$ 250,000