INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Pacific Gas & Electric Co (Utility)
Deferred income tax assets:
Tax carryforwards	$ 6,868	$ 5,425
Compensation	80	108
Greenhouse gas allowance	239	157
Wildfire-related claims	1,489	1,723
Operating lease liability	368	346
Transmission tower wireless licenses	254	266
Other	177	136
Total deferred income tax assets	9,475	8,161
Deferred income tax liabilities:
Property related basis differences	9,363	8,835
Regulatory balancing accounts	1,376	1,193
Debt financing costs	465	501
Operating lease right of use asset	368	346
Income tax regulatory asset	764	517
Other	230	178
Total deferred income tax liabilities	12,566	11,570
Total net deferred income tax liabilities	3,091	3,409
PG&E Corporation
Deferred income tax assets:
Tax carryforwards	7,156	5,628
Compensation	157	185
Greenhouse gas allowance	239	157
Wildfire-related claims	1,489	1,723
Operating lease liability	368	346
Transmission tower wireless licenses	254	266
Other	197	121
Total deferred income tax assets	9,860	8,426
Deferred income tax liabilities:
Property related basis differences	9,374	8,847
Regulatory balancing accounts	1,376	1,193
Debt financing costs	465	501
Operating lease right of use asset	368	346
Income tax regulatory asset	764	517
Other	245	199
Total deferred income tax liabilities	12,592	11,603
Total net deferred income tax liabilities	$ 2,732	$ 3,177