INCOME TAXES (Schedule of Effective Income Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Pacific Gas & Electric Co (Utility)
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate	21.00%	21.00%	21.00%
State income tax (net of federal benefit)	(26.90%)	24.10%	19.10%
Effect of regulatory treatment of fixed asset differences	(49.20%)	(51.60%)	(44.90%)
Tax credits	(1.30%)	(1.20%)	(1.70%)
Fire Victim Trust	(0.640)	0.919	0.517
Bankruptcy and emergence	0.00%	0.00%	2.40%
Other, net	2.20%	2.60%	2.20%
Effective tax rate	(118.20%)	86.80%	49.80%
PG&E Corporation
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate	21.00%	21.00%	21.00%
State income tax (net of federal benefit)	(75.80%)	31.30%	(15.30%)
Effect of regulatory treatment of fixed asset differences	(123.80%)	(71.50%)	39.00%
Tax credits	3.20%	1.70%	(1.50%)
Fire Victim Trust	(1.609)	1.273	(0.449)
Bankruptcy and emergence	0.00%	0.00%	(37.60%)
Other, net	12.90%	5.30%	(2.10%)
Effective tax rate	(329.80%)	111.70%	(38.40%)