INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Pacific Gas & Electric Co (Utility)
Deferred income tax assets:
Tax carryforwards	$ 8,740	$ 6,868
Compensation	82	80
GHG allowance	361	239
Wildfire-related claims	1,069	1,489
Operating lease liability	142	368
Transmission tower wireless licenses	250	254
Bad debt	134	55
Other	109	122
Total deferred income tax assets	10,887	9,475
Deferred income tax liabilities:
Property-related basis differences	10,047	9,363
Regulatory balancing accounts	1,433	1,376
Debt financing costs	428	465
Operating lease ROU asset	142	368
Income tax regulatory asset	991	764
Environmental reserve	200	163
Other	82	67
Total deferred income tax liabilities	13,323	12,566
Total net deferred income tax liabilities	2,436	3,091
PG&E Corporation
Deferred income tax assets:
Tax carryforwards	9,132	7,156
Compensation	145	157
GHG allowance	361	239
Wildfire-related claims	1,069	1,489
Operating lease liability	142	368
Transmission tower wireless licenses	250	254
Bad debt	134	55
Other	130	142
Total deferred income tax assets	11,363	9,860
Deferred income tax liabilities:
Property-related basis differences	10,058	9,374
Regulatory balancing accounts	1,433	1,376
Debt financing costs	428	465
Operating lease ROU asset	142	368
Income tax regulatory asset	991	764
Environmental reserve	200	163
Other	91	82
Total deferred income tax liabilities	13,343	12,592
Total net deferred income tax liabilities	$ 1,980	$ 2,732