INCOME TAXES (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Pacific Gas & Electric Co
Deferred income tax assets:
Tax carryforwards	$ 650	$ 736
Compensation	121	205
Income tax regulatory liability	79	286
Wildfire-related Reserve (2)	3,433	34
Other	93	160
Total deferred income tax assets	4,376	1,421
Deferred income tax liabilities:
Property related basis differences	7,660	7,256
Other	121	128
Total deferred income tax liabilities	7,781	7,384
Total net deferred income tax liabilities	3,405	5,963
PG&E Corporation
Deferred income tax assets:
Tax carryforwards	740	830
Compensation	173	274
Income tax regulatory liability	79	286
Wildfire-related Reserve (2)	3,433	34
Other	87	151
Total deferred income tax assets	4,512	1,575
Deferred income tax liabilities:
Property related basis differences	7,672	7,269
Other	121	128
Total deferred income tax liabilities	7,793	7,397
Total net deferred income tax liabilities	$ 3,281	$ 5,822